American and Canadian made model engines thru 1960
©2008-1996 MECOA - RJL Industries, All rights reserved.
No part may be reproduced without written permission from
MECOA -- P.O. Box 5 -- Sierra Madre, CA 91025 U.S.A.
FORMAT:---------------------------
Company
Year - Model - Infromation
Use search tool under edit to find a particular engine---------------------------
ACE
'47 "Twin" .620 ignition opposed type twin
AIRCRAFT INDUSTRIES (All engines are spark ignition)
'35 "Baby Cyclone" Model
X .364 - 7 fins, fixed points
'36 "Baby Cyclone" Model A .364 - 11 fins. blue-gray paint
'36 "Baby Cyclone" Model B .364 - 11 fins, no paint
'36 "Baby Cyclone" Model C .364 - 6 holes in head
'37 "Baby Cyclone" Model D .364 - first with movable points
'38 "Baby Cyclone" Model E .364 - tapered fin profile, fake head
'38 "Baby Cyclone" Model F .364 - same as "E" externally
'40 “Super Cyclone"
Series G .647 single spark plug, thin flanges 
'40 “Super Cyclone" Series G .647 twin spark plugs, thin flanges
'40 "Super Cyclone" Series GR .603 single plug thick flanges
'40 “Super Cyclone" Series GR .603 twin plugs, thick flanges
'40 "Super Cyclone" Series GR .603 race car type with flywheel
AIR-O MODEL SUPPLY
'46 “Mighty Midget" .451 ignition - metal fuel tank on backplate
'47 “Diesel" .278 - variable compression type
'48 “Mighty Midget” .451 glow - finless head
'48 “Cobra" .451 ignition - same as Bunch Tiger Aero, black cylinder
'48 "Cobra" .451 ignition - cad. plated cylinder, 3/8” plug
'48 "Cobra" .451 ignition - cad. plated cylinder, 1/4” plug
'49 "Cobra" .451 glow - cad. plated cylinder
AJAX (Canadian)
'38 .359 spark ignition
A.J.C.
'37 .605 spark ignition
A. L. ENGINES
'38 1.687 4-cycle, overhead valves, spark ignition
ALLYN SALES CO. --- Currently owned by RJL
'54 "Sky Fury" .049 glow - small ports in sleeve, std. glow plug
'54 “Sea Fury Outboard" .049 glow small ports in sleeve
'55 "Sea Fury Inboard" .049 glow built similar to outboard
'55 “Sky Fury Twin" .099 glow - no colored parts
'55 “Sky Fury Twin" .148 glow - gold anodized heads & prop driver
'55 “Mar Fury Twin" .120 glow - with flywheel for inboard boats
'55 "Sea Fury Outboard Twin” .120 glow - no colored parts
'55 "Sea Fury Outboard Twin” .148 glow - blue heads and flywheel
'55 "Sea Fury Inboard Twin" .120 glow no colored parts
'55 "Sea Fury Inboard Twin" .148 glow - blue or gold heads and flywheel
Sold to K&B --- Currently owned by RJL
AMERICAN JUNIOR AIRCRAFT
'55 "Firecracker" .065 glow - pneumatic-operated speed control
ANCIL
'46 "Aircraft" .604 ignition
'46 "Race Car" .604 ignition
ATHERN
'58 "Pogo" .092 glow - pneumatic-operated speed control
ATOMIC
'46 .603 ignition similar to Hornet .60
ATWOOD --- Currently owned by RJL
'38 "Phantom" .276 ignition - original 'Bullet", round backplate
'39 "Wasp Special" .276 ignition - car version of “Phantom"
'40 "Blue Crown Champion"
.603 ign. - for cars, 2 intakes 
'40 "Red Crown Champion" .603 ign. -.for cars, single intake
'40 “Green Crown Champion" .603 ign. for single intake
'41 "Champion" .600 ign.
- radial head fins, twin coupled intakes 
'45 "Champion" Model H .630 ign. - radial head fins, dull castings
'46 “Super Champion" Model H .630 ign. parallel head fins
'46 “Super Champion" Model JH .630 ign. name cast on bypass
'47 “Champion" Model J .630 ignition - black crackle painted case
'48 "Glo-Devil" .630 - same as Champion JH but no paint or timer
'48 “Super Champion"
Model DR .624 ign - straight rear venturi 
'48 “Glo-Devil" Model
DR .624 - same as ign. DR but no points
'48 "Triumph .49" .491
ignition 
'48 "Triumph .51" .503
ignition
'48 "Triumph .49" .491 glow
'48 "Triumph .51" .503 glow
'50 “Wasp" .049 glow 
'53 “.049" .050 glow - same as Wasp but with straight fin profile
'53 “Cadet” .051 glow
'53 ".049" .050 glow - red or blue anodized head
'53 ".051" .051 glow - yellow anodized head
'54 "Cadet" .049 glow - plain head
'54 "Outboard Marine” Air Cooled .050 glow - no colored parts
'54 "Outboard Marine" Water Cooled .050 glow - no colored parts
'54 "Inboard marine" Air Cooled .050 glow
'54 "Inboard Marine” Water Cooled .050 glow
'54 "Signature .049” .050 glow - had spinner
'55 "Signature .051" .051 glow - had spinner
'56 "Shriek .049" .050 glow - rounded fin profile
'56 "Shriek .05l” .051 glow - rounded fin profile
AVIATION INDUSTRIES
'38 "New Hurricane" .066 ignition
AVION
'38 "Mercury" 1.530 ignition - ribs on crankcase front cover
'47 "Mercury" 1.610 ignition - smooth crankcase front cover
BALL (B & D Racing Engines)
'47 .604 ignition - twin exhaust stacks on same side of cylinder
BANTAM 
'38 .164 ignition - sand cast, circular holes for exhaust
'40 .192 ignition - first rear rotary Bantam, natural metal fins
'46 "Champ" .199 ignition - black cylinder fins
BARKER
'40 "Model C” .690
ignition - transparent fuel tank on venturi 
'41 "Model B" .690 ignition - die-cast tank includes venturi
'41 "Model A" .690 ignition - same as "B" but for inverted use
'41 "Spitfire" .690 ignition - longer mounting Iugs, tank on venturi
'46 "Man-U-Matic" .604 ign. - rear rotary, nameplate on case
BAT
B - B (Bennett Electrical Machine Works)
'38 .780 spark ignition
BELMOINT
'39 .562 ignition same as Imp G-9
'39 "Gnat" .155 ignition - smaller version of .562
BLACK PANTHER
'41 .604 ignition - Hassad design similar to Edco Sky Devil
BLUESTREAK
Currently owned by RJL
'48 .648 ignition - Hassad design, blue anodized cylinder
'49 .648 Glow version
BOHABOY
'36 .686 ignition - sand cast, sideport
BOND
'46 "B. R. L. Model A" .570 ignition, name stamped on bypass
'46 "Model 680" .679 ignition, name on bypass
BONE TOOL & GAGE CO.
'46 "Howler" .604 ignition
- no air intake at needle valve 
'47 "Howler" .604 ignition - small air intake at needle valve
BONNEY
'39 "B" .276 ignition
'39 ”C” .488 ignition
'39 "Super C” .687 ignition
BRADLEY
'46 "Class C" .610 ignition
BUNCH
'36 “Mighty Midget" .451 ignition piston, screw on finless head
'36 “Gwin Aero" .421 ign. - lapped T)piston, bolt-on finless head
'37 “Mighty Midget" .421 ign. - rings, bolt-on finless head
'37 “Gwin Aero” -.49 ign. - rings, bolt-on finless head
'37 "Gwin Aero" .49 ign. - upright, bolt-on finned head
'37 "Gwin Aero inverted" .49 ign. - name stamped "upside-down”
'37 “Mighty Midget Inverted" .451 ign. - finless bolt -on head
'37 “Mighty Marine" .564 ign. - like '37 Gwin but with flywheel
'38 “Warrior" .451 ign. - has radial mounts only
'38 “Mighty Midget" .489 ign. - brazed-on round-profile finned head
'38 “Mighty Midget Inverted" .489 ign. - name stamped "upside-down'''
'38 “Gwin Aero" .489 ign. - brazed-on round-profile finned head
'38 "Gwin Aero Inverted" .489 ign. - name stamped "upside-down"
'38 "Mighty Marine" .489 ign. - like '38 Gwin but with flywheel
'38 "Speedway" .489 ign. - exhaust on opposite side from Marine,
'40 “Mighty Midget"
.451 ign. - shallow head fins 
'40 “Mighty Midget
Inverted" - name inverted, finned head
'40 “Gwin Aero” .451 ign. - shallow finned head
'40 "Gwin Aero inverted" .451 ign. - name stamped upside down
'40 “Mighty Marine" .451 ign. - like '40 Gwin but with flywheel
'40 “Speedway" .451 ign. - shallow finned head, "porthole" in cylinder
'40 "Tiger Aero" .451 ign.
- oval-ended exhaust stack 
'40 “Tiger speedway" .451 ign. - like Tiger Aero but exhaust opposite,
'40 “Tiger Marine" .451 ign. - like Tiger Aero with flywheel
'46 “Tiger Aero" .451 ign. - square ended exhaust stack
BUNGAY
'48 .607 ignition - "racing-type engine"
BURGESS
'47 "M-5" .922 ign. - 5-cyl. 4-cycle, has fillets on rocker arms
BUZZ
'48 “A .19" .199 ignition
'48 "B .29" .292 ignition
'48 “C .35" .342 ignition
'48 "D .60” .610 ignition
'49 “A .19" .199 glow
'49 "B .29" .292 glow
'49 “C .35" .342 glow
'49 "D .60” .610 glow
'49 "CO2" .0052 Compressed carbon dioxide motor
CAMERON
'46 "23" .230 ignition
- gray "hammertone” painted case 
'52 "19" .199 glow - lapped
piston 
'52 “19” .199 glow - ringed piston
'53 "L-2” .199 glow - twin needle valves, lapped piston
'54 ".09 Car" .099 glow vertical cyl. fins
'54 ".09 Special Marine"
.099 glow vertical cyl. fins 
'54 ".09 Marine, 2-speed" .099 glow twin needle valves
'55 ".19 Marine" .199 glow-- water cooled, round exhaust, rings
'55 ".19 Marine" .199 glow - same as next above but lapped piston
'55 ".19 Marine" .199 glow - same as ring piston model, 2 needle valves.
'55 ".19 Marine" .199 glow - same as above but lapped piston
CAMPUS INDUSTRIES
'47 "A-100" CO2 .00153 - tank attached to engine
'48 "A-100" CO2 .00153 - sand cast case, separate unpainted tank
'48 "A-100" CO2 .00153 - die-cast case, tank painted red
'49 "Bee" C02 - larger version of last A-100
'50 “29” .292 glow - resembles Rogers but with steel cylinder
CANNON
'41 "300" .299 ign. - sand cast head with parallel fins
'41 "358" .358 ign. - sand cast head with parallel fins
'46 “300” .299 ign. - machined head with circular fins
'46 "358" .358 ign. - machined
head with circular fins 
'46 "300, Strato Timer" .299 ign. - timer has many adjustments
'46 "358, Strato Timer" .358 ign. - timer has many adjustments
CHEMINOL CORPORATION
'53 "O & R 23”
.231 glow - front rotary, silver-colored head 
'53 "O & R 29" .299 glow - front rotary, silver or blue head
'53 "O & R 33" .329 glow - front rotary, red head
'54 "O & R 29 Marine"
.299 glow - drive at rear, blue head 
'55 "Midjet" .049 glow - included die-cast fuel tank
'56 "Marine" .049 glow - water-cooled cylinder
'56 "Mite" .049 glow - same as Midjet but no fuel tank
'59 "Midjet" .049 glow - die-cast tank & pull starter
'59 "Mite" .049 glow - no fuel tank but had pull starter
'59 "Marine" .049 glow - water cooled, pull starter
C.I.E. (Compression Ignition Engines) --- Currently owned by RJL
'46 "10 Diesel" .103 - had fuel tank like last Brown 960
'47 "15 Diesel" .147 - no fuel tank, plain straight venturi
CHUNN
'37 "Chum" .163 Ignition
CLAUDE C. SLATE COMPANY
'47 "Fox 59 Hi-Torque"
.599 ign. lapped piston 
'48 "Fox 59 Hi-Speed" .599 ign. piston rings
'49 "Fox 49 Hi-Torque" .499 ign. same as 59 but with short stroke
'49 "Fox 49 Hi-speed" .499 ign. same as 59 but a smaller bore
CLEAVELAND MODEL & SUPPLY
'36 "Tom Thumb" .451 ign. - same as '36 Bunch "M.M." except name
'37 "Tom Thumb Inverted" .451 ign. - as above but name upside down
CLIPPER
'51 "XX770" .381 ignition
'51 "Special" .381 Glow - dummy timer housing
'51 "XX770" .381 ignition - no spark plug, used mica "firing head"
COBEY-WAITE
'46 "Cobra" .147 ign. -
postwar version of Madewell Mite 
COMET MODEL AIRPLANE & SUPPLY CO.
'41 “35” .350
Ignition - forerunner of Vivell 35 
CONDOR
'38 "Midget" .162 ignition 
'39 "60" .678 ignition
'41 "Kopper King" .604
ignition 
CORPORATE PRODUCTS
.47 "Rocket Special" .461 ign. - "Rocket" with enclosed timer
CUNNINGHAM --- Currently owned by RJL
'47 “Bluestreak .647" Like Orwick 64 with bearing and mounting lugs - green/blue "hammertone" case
D & S (DeLong & Steele)
'40 .297 ignition - sand cast predecessor of Cannon 300
DALLAIRE
'38 "Pee-Wee" .110 ignition
'38 "Pee-Wee B" .140 ignition - forerunner of Marvin
DAVIES
“Dwarf" - no data available
DEEZIL --- Currently owned by RJL
'48 “A" .125 diesel
DEMCO
'35 "Fireball" .588 Ignition
DENNY INDUSTRIES
'37 "Skycharger" .573 ign. - round cylinder fins
'38 "Airstream" .573 ign. - streamlined cylinder, sand cast
'38 “Racing Car Motor” .573 ign. - like Airstream, metal tank
'40 "Dennymite" .573 ign.
- diecast 
DOBE-OTT
'30 3-cylinder radial compressed air motor
DOOLING BROTHERS
'47 "61” .605 ignition 
'50 “29” .298
glow 
DRAGON
'40 .214 ignition - nearly identical to Trojan Jr.
DREADNAUGHT
'42 .198 " ignition forerunner of Canadian "Hurricane"
DRIMMIE
'40 "10" .607 ignition
DRONE ENGINEERING
'41 "Drone Bee” .297
- diesel - venturi part of case casting 
'47 "Gold Crown" .297-
diesel gold head, venturi screws in case 
'48 "Ball Bearing' .299 diesel - case contours very smooth
'48 "Variable Compression" .299 diesel - ball bearing type
'49 "Glow" .299 same as diesel except for red glow head
DURO-MATIC PRODUCTS
'46 “McCoy NCCR” .604 ign. - car & boat motor, natural metal fins
'46 “McCoy NCCA" .601 ign. - airplane motor, natural metal finish
'47 "McCoy Redhead" .607 ign. - car & boat motor, black case
'47 “McCoy Redhead" .607 ign. - airplane motor, black case
'47 "McCoy Redhead Jr.”
.491 ign. - black case 
'47 "McCoy Redhead 29" .296 ign. - black case
'48 "McCoy Sportsman Jr."
.359 glow - black head & case covers, screw in venturi 
'48 “McCoy Sportsman Jr." .548 glow - black head & case covers
'48 “McCoy 19” .199 ign. - painted red head, shinny die-cast parts
'48 “McCoy 19”
.199 glow - no painted parts 
'48 “McCoy 60 Series 20" .607 ign.- natural metal case
'49 “McCoy Sportsman 29" .296 glow upslanted rear intake
'49 "McCoy Race Car 19" .199 glow ball bearings, gear on shaft
'49 "McCoy 9” .098
glow - rings, glow element in head 
'49 "McCoy Redhead 29" .296 glow - die-cast parts, head rather flat
'49 "McCoy Redhead 29" .296 ign. - as above but with timer
'50 "McCoy Redhead 19" .199 glow big case front cover, ball bearing
'50 "McCoy Redhead 29" .296 glow rounded head corners
'51 "McCoy Redhead 60" .604 glow like Series 20 but no timer
'50 "McCoy 19” .193 glow - front rotary valve
'50 “McCoy 29” .296 glow - front rotary valve
'50 “McCoy 9" .098 glow - lapped piston, standard glow plug
'51 "McCoy 49” .491 glow - natural finish case
'51 "Baby Mac” .049 glow - squarish crankcase, red head
'53 “Duroglow .049
" .049 diesel - bright red head 
'54 “McCoy 9" Diesel" .098 - larger version of Duroglow .049
'54 “Super Stunt 29" Sportsman” .299 glow - front rotary, lapped
'54 “Super Stunt 19" Sportsman” .193 glow - front rotary, lapped
'55 “Super Stunt 36"
Sportsman” .344 glow - front rotary, lapped 
'55 "Duroglow .049" .049
glow - long, venturi, pinkish red head
'55 "Duroglow .049",.049
glow - as above but with spring valve in intake
'55 "Duroglow .049",.049
diesel - spring valve in intake
'57 “McCoy 35 Redhead” .349 glow black cylinder, - shiny case
'58 “McCoy 29 Redhead Stunt" .299 -- as above
'58 “McCoy 60 Redhead Racing Engine" .607 glow - send cast case ends
'58 “McCoy 19 Redhead Stunt" .200 glow - black cyl., shiny case
DYNAMIC
'29 “Single” 2.651 ign. - 4-cycle
'30 “Four" 9.810 ignition 4-cylinder., 4-cycle radial
DYNAMIC MODELS --- Currently owned by RJL
'55 "Johnson .29" .291 glow - iridescent green case
“55 "Johnson .32" .317 glow - iridescent green case
“55 "Johnson .35” .331 glow - iridescent green case
“56 "Johnson .29" .291 glow - natural case
"56 "Johnson .32" .317 glow - natural case
“56 "Johnson .35" .331 glow - natural case
“59 "Johnson Stunt - RC" .335 glow
“59 "Johnson .35" .349 glow
“60 "Holland Hornet 2-Speed .049" .049 glow - twin needle valves
“60 "Holland Hornet 2-Speed .051" .051 glow - twin needle valves
“60 "Holland Hornet .049" .049 glow
“60 "Holland Hornet .051" .051 glow
'60 "Johnson 35 -Combat Special" .349 glow pressure bleed in case
'60 "Johnson 35 Stunt Supreme" .335 glow
'60 "Johnson 29R" .291 glow - big crankshaft
RJL currently owns tooling and name rights.
EDCO (Engineering Developments Corporation) --- Currently owned by RJL
'47 "Sky Devil 1500 SD" .649 ignition - dull red case
'47 "Sky Devil 1500 SDR" .610 ignition - red case, thick sleeve
'47 "Diesel" .450 - very massive, red case, never produced
RJL currently owns name rights.
ELF ENGINES
'36 .136 ignition - "Corncob"
vertical plug, float carb., 4 screws thru prop 
'40 "Single" .097 ign.
- horizontal plug 
'40 “Single, Inverted" .097 ignition - as above but tank reversed
'40 “Twin" .198 ignition
- external intake tubes 
'41 "Four" .396 ignition - external intake tubes
'47 "Twin" .198 ignition - reed valve, no external tubes
'48 "Four" .396 ignition - reed valve, no external tubes
'48 "Six” .594 ignition reed valve
'49 “Twin” .198 glow
EVERSON
'47 "29" .290 ignition - matte case with name cast on bypass
FEENEY
'38 “Single" .687 ignition, 4-cycle
'39 “Twin" 1.374 ignition, 4-cycle
'40 "Model A" 1.180 ignition, 4-cycle
'40 "Model B" .914 ignition, 4-cycle
“40 "Model C" .617 ignition, 4-cycle
FERGUSON
'36 “Eagle" .589 ignition, single cylinder
'36 “Falcon" 1.175 ignition, twin cylinder
'36 "Condor" 2.356 ignition, four cylinders
'37 "Twin" 1.182 ignition
'37 "Four" 2.364 ignition
FORSTER --- Currently owned by RJL
'35 .997 Ignition - all sand cast, has “choke nut" on venturi
'36 "Little Hercules" .997 ignition - sand cast, has carburetor
'36 "AA" .997 ignition - die cast, needle valve venturi
'36 "CA" .997 ignition - die cast, carburetor
'36 “AW” .997 ignition - water cooled, needle valve venturi
'36 “CW” .997 ignition - water cooled, carburetor
'37 "Little Hercules” .997 ignition, ball bearing crankshaft
'39 "Model B" .997 ignition - ball bearing, needle valve venturi
'39 "Super B" .997 ignition - ball bearing, carburetor
'40 "Model C” .997 ignition - large ports, needle valve
'42 “29” .297
ign. - slanted end venturi, plain bearing shaft 
'47 "29" .297 ign. - flared end venturi, ball bearing shaft
'47 "99" .997 ign. - big
exhaust stack, 2-speed ignition 
'49 "305" .305 ignition - like '47 “29”
'50 “G-29" .297 glow
- upslanted rear intake 
'50 "G-31” .305 glow - upslanted rear intake
'52 "F-29” .294 glow - front rotary valve
'52 "F-31” .305 glow - front rotary, valve
'55 "35" .349 glow - front rotary valve
'58 “29R" .299 glow
- front rotary valve 
'58 "35R" .349 glow - front
rotary valve
'58 “29RW" .299 glow - water cooled
'58 “35RW" .349 glow . water cooled
'58 "29RC" .299 glow - with speed control
'58 “35RC" .349 glow - with speed control
'58 “29RCW” .299 glow - water cooled, speed control
'58 "35RCW” .349 glow - water cooled, speed control
Sold to M&G engines in 1975 then to RJL Industries in 1987
RJL currently owns tooling and name rights.
FOX MANUFACTURING COMPANY
'49 "35" .352 glow - sand
cast, no markings on engine. 
'49 "29" .299 glow - sand cast, “29" stamped on exhaust stack
'50 “Racing Special" .299 glow - sand cast, big ports
'50 '59 Stunt' .599 glow
- large downdraft venture with smooth back 
'51 "59" .599 glow - smaller downdraft venturi with indented end
'52 “29” .299 glow - die cast case
'52 "35" .354 glow - die
cast case 
'53 "19" .198 glow - complex split crankcase, square venturi
'54 "19" .199 glow - conventional design case
'54 "59" .599 glow - front
rotary valve 
'54 "25" .257 glow - bored-out 19, "25' on spotface on bypass
'54 "19 2-Speed" .199 glow - twin needle valves
'54 “25 2-Speed" .257 glow - twin needle valves
'54 "35 2-Speed" .352 glow - twin needle valves
'54 "59 2-Speed" .599 glow - twin needle valves
'56 “29R" .-299 glow - huge intake, twin glow plugs
'56 “29R" .299 glow - huge intake, single glow plug
'57 "Combat Special” .353 glow
'57 "19" .199 glow - splined shaft & prop driver
'57 "19" .199 glow - speed control via exhaust throttle
'57 “25” .256 glow - speed control via exhaust throttle
'57 "35" .352 glow - speed control via exhaust throttle
'57 "59" .599 glow - speed control via exhaust throttle
'57 “19” .199 glow - wide mounting lugs
'57 “25” .256 glow - wide mounting lugs
'57 "35 Stunt" .352 glow - red painted head
'58 "Black Head Special" .352 glow - black painted head
'58 “15” .145 glow
'58 "29X" .299 glow - head screws go thru cylinder fins
'59 "Rocket .099" 008 glow
'60 "59 Mark IV" .599 glow - ball bearing shaft
'60 "Combat Series lll" .352 glow - removable case front cover
FRASER
'46 .351 ignition
GENIE
'47 "29" .292 - like Rogers but with Ohlsson-type timer
G.H.Q.
'36 .518 ignition - made without significant to LOUTREL except die cast.
GIL
'31 .527 ignition - looks like primitive Syncro Ace
GREMLIN
'46 “B” .293 ignition
H&H
'46 .451 glow - element built into head
HASSAD
'47 .605 ign. - large swept-forward twin exhaust stacks
HAYWARD-CONNELLY
(No data available)
HELM
(No data available)
HERKIMER TOOL & MODEL WORKS
'38 “OK” .604 ignition - sand cast crankcase
'38 “OK Standard” .616 ignition - fins on head, no exhaust stack
'38 “OK Deluxe” .616 ignition - fins onhead, exhaust stack
'38 “OK Special” .616 ignition - finless head, no exhaust stack
'39 “OK Marine” .616 ignition - like “Special” but with flywheel
'39 “OK Special” .604 ignition - flat head, “bow” lock on needle
'39 “OK Twin” 1.208 ignition - black painted case, no exhaust stacks
'39 “Raceway Special” .604 ignition - flat head, flywheel, no stack
'39 “Raceay Standard” .604 igniton - head fins, exhaust stack, wheel
'40 “OK 49” .493
ignition - small cast venturi, “49” stamped on lug 
'41 “OK Tornado” .604 ignition - front rotary valve, rear timer
'45 “OK Super 60”
.604 ignition - flat head, front rotary valve, ball bearings 
'46 “OK B-29” .299 ignition - flat head
'46 “OK Super 60 Raceway & Marine” .604 ignition - has flywheel
'46 “OK Twin”
1.208 ignition - natural die cast case, exhaust stacks
'47 “OK CO2” .0178 compressed carbon dioxide motor
'47 “OK Super 29”
.299 igniton - finned aluminum head, natural 
'47 “Mohawk Chief”
.299 ignition - same as “B-29” except for name 
'48 “OK Bantam” .199 ignition - same as Bantam 19 but aluminum case
'48 “OK Super 29” .299 igniton - gold anodized head
'48 “OK Hothead” .299 glow - same as “B-29” but no points
'49 “OK Cub .049”
.049 glow - serial number on bottom of case 
'49 “OK Cub .074” .074 glow - serial number on bottom of case
'50 “OK Cub .099” .10 glow - serial number on bottom of case
'50 “OK Super 60” .604 ignition - black cylinder, gold anodized finned head
'50 “OK Super 60” .604 glow - black cylinder, gold anodized finned head
'50 “Mohawk Chief Glow” .299 glow - blue tank & timer cam cover
'51 “OK Cub .039” .040 glow
'52 “OK Cub .14” .15 glow
'52 “OK Cub .049X” .050 glow - 2 bolt mounting
'53 “OK Cub .049B” .050 glow - has die cast fuel tank/mount
'53 “OK Cub .075 diesel”
.075 
'54 “OK Cub .049 diesel” .050
'54 “OK Cub .19” .199 glow
'55 “OK Cub .049A” .050 glow - plastic tank, 2 bolt mounting
'55 “OK Cub .29”
.299 glow 
'55 “OK Cub .35”
.349 glow
'57 “OK Cub .049S” .050 glow - pull starter
'57 “OK Cub .049MS” .050 glow - marine, flywheel, pull starter
'57 “OK Cub .074S” .075 glow - pull starter
'58 "OK Cub .099S” .100 glow - pull starter
'58 "OK Cub .074MS” .075 glow --marine, flywheel, pull starter
'58 "OK Cub .099MS” .100 glow - marine, flywheel, pull starter
'58 “OK Cub .049A" .050 glow - plastic tank, 2-bolt mounting
'60 “OK Cub .024" .024 glow - twin exhaust stacks
'60 "OK Cub .049A” .050 glow - streamlined case
'60 "OK Cub .049B" .050 glow - streamlined case, spinner
'60 ''OK Cub .049S" .050 glow - streamlined case, recoil starter
“60 "OK Cub .049MS" .050 glow - marine, streamlined case, recoil starter
HETHERINGTON
'36 .520 ignition
'50 "Meteor" .232 ign.
- mounts on front of case, poppet venturi 
HI-SPEED (Actually manufactured by Atwood) --- Currently owned by RJL
'38 .275 ign. - Bullet predecessor, round backplate, blue case
'39 "Torpedo" .298 ign. - metal tank with screw-on rear filler
'39 "Bullet" .275 ign.
black crackle paint, square backplate 
HOLLAND ENGINEERING --- Currently owned by RJL
'53 "Wasp" .049 glow -
"H" stamped on case
'57 "Hornet" .049 glow - no restrictor in venturi
'58 "Hornet" .049 glow - nylon venturi restrictor
'58 "Hornet" .051 glow - "051" on case, nylon venturi restrictor
Sold to Dynamic Models Currently owned by RJL
HOOF PRODUCTS
'46 "Fleetwind" .603 ign. - twin exhaust stacks
HOOSIER
'30 "Whirlwind" .124 3-cylinder compressed air motor
HORNET MOTORS
'46 "60A" .607 ignition
- airplane-type with prop driver 
'46 "60B" .607 ignition - marine type with flywheel
'46 "60RC" .607 ign. - flywheel, dowel-pin holes in lugs
'50 “19” .199 glow
'50 "19" .199 glow car
engine 
'50 “R" .607 ign. - big bypass, die-cast venturi, big shaft
'51 "V" .607 ign. - irregularly cast exhaust,, "V" in serial no.
HUMMER
(No data available)
HUMMING BIRD
'46 .604 ignition
HUNGERFORD
'38 "Willard" .192 ignition - like "Madewell Mite, rear rotary valve
HURLEMAN
'39 “Aristocrat” .488 ignition
HUSKY (All models are spark ignition)
'37 "Jr.," .192 - sand cast-cylinder
'38 "J-V” .173 - cylinder built up from brazed steel sheet
'39 "New J-V" .199 - cadmium plated cylinder
'46 "J-V" .199 - like '39 model except has flared venturi
INTERNATIONAL MODELS
'35 "Imp Tornado" V-4 compressed air motor
'36 "S-4" inline twin compressed air motor
'38 "Water Nimph" .413 ignition - water cooled
'38 “Intermote” .413 ign. - same as Water Nimph but aircooled
'38 “G-9" .562 ignition - twin exhaust-stacks
JAMES (Made by Rice of Ohlsson & Rice)
'38 .647 ign. - looks like simplified "Gold Seal". lug mounts
'39 .601 ign. - exhaust stack brazed to cylinder
JIM BROWN
'40 .489 ign. - Predecessor of Vivell 49, large semi-closed timer
JUDCO
'47 "Ram" .292 lgn. - Rogers-type engine
'48 "B" .292 ign. - same as Buzz "B", sold in kit form
JUNIOR MOTORS
(All models are spark ignition) 
'34 "Junior Motor" .601 - sold mounted on wooden bearers with tank
'37 "Model B" .601 - lapped - piston, serial no. on top of lug
'38 "Model C" .601 - rings, n.v. at very end of venturi is bent wire
'38 “Model D" .601 - rings, normal needle valve
'38 "Model M" .601 - rings, needle valve, flywheel. "Marine" model
'39 "Model B" .601 - lapped, tank on venturi, upright points
'39 "Model C" .601 - same as '38 "C" but cylinder painted black
'39 "Model D" .601 - rings, tank on venturi, upright points
'40 "Model C" .601 - same as '39 "C" but tank on venturi, upright timer
'40 "Brownie" .291 
'46 "B" .601 - same as '39 "B", serial no, on side of lug, cad. plate
'46 "D" .601 - same as '46 "B" but lapped piston
K & B ALLYN COMPANY (This is the same as K&B Mfg)
'55 "Mar Fury" .060 Glow - marine inboard with flywheel
'55 "Sea Fury" .060 glow - inboard built similar to outboard
'55 "Sea Fury" .060 glow - outboard
'56 "Torpedo .29R" .297 glow - natural head, case like K & B .35
'56 "Torpedo .099" .099 glow - green enameled head
'56 "Sky Fury Deluxe" .048 glow - glow element built in head
'57 “Sky Fury .074" .074 glow - thin-walled sleeve
'58 “Torpedo .29S" .297 glow - green head, same case as ".29R"
'58 "Torpedo .035RC" .353 glow - green head. barrel throttle
'58 "Torpedo .19RC" .199 glow - green head, barrel throttle
'59 "Torpedo .45RC" .446 glow - barrel throttle & exhaust cover
'59 "Torpedo .45" .446 glow
'59 “Torpedo.35C" .353 glow - green head, pressure bleed
K & B MANUFACTURING COMPANY
'46 "Torpedo B" .299 ign.
- aluminum castings, black cylinder 
'47 "Torpedo 24" .249 ign. - like "Torpedo B" but cylinder natural
'48 "Torpedo 32" .320 ign. - like "Torpedo B". but "32" stamped on case
'48 "Glo-Torp 29" .299
glow - no timer or cam on shaft 
'48 "Glo-Torp 24" .249 glow - natural cylinder, "249" on side of lug
'48 "Glo-Torp 32" .320 gIow - like "Glo-Torp 29", “32” on case
'49 "Infant Topedo" .020
glow - 6 fins on head, plus inside 
'50 "Torp Jr." .035 glow - 5 fins on head, otherwise like .020
'50 "Torpedo .049" .049 glow
'51 "Torpedo .19" .199 glow - unpainted head, 5 fins on cylinder
'51 "Torpedo .29" .297 glow - unpainted head
'51 "Torpedo 32" .320 -
unpainted head, "32" cast on case 
'52 "Torpedo" .199 glow - unpainted head, twin needle valves
'53 "Torpedo 23" .225 - green head, "23" cast on case
'53 "Torpedo 15" .147 glow - green head
'54 "Torpedo 19" .199 glow
- green head 
'54 "Torpedo 19 2-Speed" .199 glow - green head, twin needles
'54 "Torpedo 35" .353 glow - green head, 4-bolt back plate
'54 "Torpedo 15 2-Speed" .147 glow - green head, twin needles
'60 "Tornado" .049 glow - reed valve, plastic tank
'60 "Torpedo 201” glow - plain head, "201" on case
KYDET
'39 .163 ignition
KEENER
'37 "Brat" .138 ignition - hex head
'38 "Brat" .152 ignition - round head
KENCRAFT
'45 "Ken" .604 ignition 
'47 "Ken Diesel" (further data unavailable)
KNIGHT
'31 "Single" .416 ignition
'31 "Twin" .832 ignition
LASKIN
'47 "Circle 30" .297 ign.
twin exhausts, "spring-connect" timer 
LEE
'52 "Sidewinder I" .299 glow - cylinder parallel to shaft, side exhaust
'54 “Sidewinder II" 299 glow - as above but exhaust on bottom
'59 “45" .451 glow
LITTLE DYNAMITE
'39 .374 ignition
LOUTREL
'33 .452 ignition - predecessor of G.H.Q., all sand cast
L. M. COX COMPANY
'48 "Thimbledrome 15" .147 glow - car motor, made by Cameron
'49 "Lightning Bug” .199 glow - car- engine, rings., made by Cameron
'49 "Doodle Bug" .098 glow - car engine. lapped, made by Cameron
'50 "O-Forty-Five" .045 glow - complete car power unit w/wheels
'52 “Space Bug” .050 glow - huge die-cast fuel tank part of engine
'53 “Thermal Hopper”
.050 glow - die cast case, no fuel tank 
'53 “Space Bug Jr.” .050 glow - uncolored nylon fuel tank
'54 “Space Bug Jr.” .050 glow - red plastic fuel tank
'55 “Strato Bug” .050 glow - 2 piece fuel tank
'56 “Baby Bee” .050 - metal fuel tank - all natural aluminum
'56 “RR-1” .050 glow - rear rotary, blue and gold anodized parts
'57 “Pee Wee” .020 glow
'58 “Golden Bee” .050 - case and tank gold anodized
'59 "Sportsman” .149 glow - natural metal finish, plain bearing
'59 "Olympic" .149 glow - anodized red venturi and blue prop driver, ball bearing
'59 “Space Hopper” .050 glow - beam mounts
'59 “Super Bee” .050 glow - looks like Baby Bee, Used in Cox P40
Note: .050 Cox engines are ususally refered to as .049
LUCAS & SMITH
'46 "Contestor D -60" (or
"D-60-S”) .596 ign. - sideport 
'46 "Contestor D-60-R"
.596 ign. - downdraft rear rotary 
M&M
'38 .233 ignition
'39 "Piston-Valve Motor"
.292 ign. 
'40 "Inline Twin" .556 ign.
MACVAL MANUFACTURING
CO. 
'46 "Viking Twin" .647 ign. - red enamel case, red anodized timer
MADEWELL
'38 "Mite" .140 ign. - cast bypass & exhaust screwed to cylinder
'39 "Wasp" .140 ign. - finned head, streamlined exhaust, 5/16" plug
'40 "Mite" .147 ign. -
finned head, oval exhaust, 1/4" plug 
'41 "Mite" .147 ign. - flat head, no lugs on front cover
'47 "49" .488 ign. - resembles
Vivell 35, uses same timer 
MAGEE
(No data available)
MARVIN
'40 .139 ignition
'46 "Jr. A." .139 ignition
MAY MOTORS
'40 "Silver King" .454
ign. - 1st "Rocket", venturi inside tank 
'41 "Rocket" .454 ign. - plastic tank on top of venturi tube
'45 "Rocket, Victor Model"
.454 ign. - plastic tank under venturi 
McCORD PRECISION PRODUCTS
'58 "Spitfire 65" .647 ign. - rings, head machined & anodized blue
'58 "Spitfire 65 Glow" .647 - as above but no timer
'58 "Spitfire 65" .647 ign. - as above but lapped piston
'58 "Spitfire 65 Glow" .647 - as above but without timer
Later sold to Remco in Denver then to Replica Engines in San Jose
MEGOW
'40 “19” .192 ignition
MEL ADENRSON MANUFACTURING COMPANY
'48 "Anderson Spitfire" .604 ign. - die cast head
'49 "Anderson Spitfire" .645 ign. - as above but longer stroke
'49 "Baby Spitfire" .045
glow - brass head, name on fuel tank 
'49 "Baby Spitfire" .045
glow - alum. head & bypass anodized orange
'49 “Baby Spitfire”
.045 glow - no colored parts, no name on tank
'50 “Spitzy' .045 glow - short fuel tank, aluminum head
'51 "Spitzy Sr." glow - long fuel tank, brass head
'51 “Spitzy" .045 glow - long tank, plain aluminum head
'51 "Royal Spitfire" .064 glow
'52 "Royal Baby Spitfire" .050 glow - side exhaust, plain head
'53 "Royal Baby Spitfire" .050 glow - side exhaust, blue head
MELCRAFT 
'45 "Bluestreak 29" .287 ign. - blued cylinder - venturi straight forward
'46 "29" .287 ign. - as above but cylinder black
MERCURY
'37 "Ace” carbide & dry ice motor
'39 "Gnat" .156 ignition
MERLIN (Canadian)
'44 "Super B" '232 ign. - cylinder & case castings separate
'46 "Super B" .232 Ign.
- one piece crankcase 
MICRO-BUILT, INCORPORATED
'46 "Arden .099PB" .099 ign. - plain bearing, throttle intake
'46 "Arden .099BB" .099 ign. - ball bearing, throttle intake
'46 "Arden .199BB" .198 ign. - ball bearing, throttle intake
'47 "Arden .099PB" .099 ign. - plain bearing, needle valve
'47 "Arden .099BB" .099 ign. - ball bearing, needle valve
'47 "Arden .199" .198 ign. - ball bearing, needle valve
'49 "Arden .099PB Glow" .099 plain bearing, cap on shaft housing
'49 "Arden .099BB Glow" .099 ball bearing, cap on shaft housing
'49 "Arden .199 Glow" .198 - as above
MICRO-DIESEL COMPANY
'47 "Diesel" .132
MICRODYNE ENGINES
'39 "Mighty Atom" .097 ign. - exhaust ports are round holes
'40 "Super Atom" .097 ign. straight cyl. profile, 360 ports
'41 "Super Atom" .098 ign.
tapered cyl. profile, fins on head 
MICRO-MODEL COMPANY
'46 "'Wasp Twin” .604 ign. - offset cylinders - black crackle paint
'47 "Super Wasp Twin” .645 ign. - no paint, cylinders straight across
MINIATURE (New York)
'30 3-cylinder compressed air motor - radial type
'30 6-cyl. compressed air motor - radial type
'30 8-cyl. compressed air motor - type not known
'40 "Gas Motor" .104 ign. - all sand cast
'41 "Whirlwind Jr." .123 ignition
'41 "Whirlwind Sr." .330 ignition
MINIATURE MOTOR, INC. (California)
'46 "Bullet" .276 ign. - magnesium castings, unpainted
'47 "Torpedo Special" .298
ign. - twin stacks, K & B-type timer 
'47 "Bullet" .276 ign, - magnisium castings, black crackle paint
'47 "Bullet Model 100" .276 ign. - alum. castings, no paint
'47 "Torpedo Special" .298 ign. - Ohlson-type timer
'49 "Bullet" .276 glow - same as Model 100 but no points or cam
'49 "Torpedo Special" .298 glow - no timer or cam on shaft
MITE MANUFACTURING COMPANY
'47 "Mite Diesel" .098 - fixed compression
'48 .098 - same as above but with glow plug in head
MODEL AIRPLANE MOTORS --- Currently owned by RJL
'39 “Micro .19” ignition - twin exhaust tubes
MODEL AVIATOR
'31 3-cylinder radial compressed air motor
MODERN MODELS, INC.
'47 “Scout Twin" .607 ign. -- much like “Wasp Twin", no paint
MOLNAR 
'41 .992 ignition
'41 .786 ignition
MONARCH
(No data available)
MORTON AIRCRAFT CORPORATION
'36 .421 ignition
'37 "Challenger" .413 ign. - same as International "Intermote"
'38 "Water Cooled" .413 ign. - same as International "Water Nimph"
'45 “M-5” .922 ign. - 5-cyl. 4-cycle radial, no fillets on rockers
OHLSON & RICE
'37 "Radial Mounted Motor" .562 ign. - aluminum fins
'37 "Miniature” .562 ign, - steel fins, exposed timer
'37 "Gold Seal" .562 ign.
- name on bypass, enclosed timer 
'38 "23" .232 ign. - unpainted cylinder fins
'39 "23" .232 ic.rne -
black enameled cylinder 
'40 “19” . 197 ign. - black cyl., fin profile straighter than "23"
'40 "Custom" .617 ign. - tank top & venturi cast in 1 piece
'41 “60 Special" .603
ign. - straight venturi, 3/8" plug 
'46 “19" .197 ign. - no beam mounting lugs
'46 "23" .232 ign. - no beam mounting lugs
'46 “60” .603 ign. - black head fins small exhaust, 1/4” plug
'47 “60 Special" .603 ign. - black head fins, big exhaust, glow plug
'47 “60 Special" .603 ign. - no beam mounting lugs
'48 “23" .232 ign. - front rotary valve
'48 "23" .232 glow - front rotary valve, cap over timer cam
'48 “19” .197 ign. - front rotary valve
'48 “19” .197 glow - front rotary valve, cap over timer cam
'48 "60 Special" .603 ign. - silver head, big exhaust, 1/4” plug
'49 “29” .299 ign. - front rotary., “Aldjusto-Matic" Timer
'49 "29" .299 glow - as above, timer cam capped
'49 "23 Deluxe" .232 ign. - roller bearing shaft, Adjusto-Matic Timer
'49 "23 Deluxe" .232 glow - as above, timer cam capped
'49 "19 Deluxe" .197 ign. - like "23 Deluxe" ign. “19" on case
'49 "19 Deluxe" .197 glow - like "23 Deluxe" glow, "19" on case, timer cam capped
'50 "23 Sideport" .232 ign. - silver head
'50 "23 Sideport" .232 glow - silver head, timer cam capped
'50 "19 Sideport" .197 ign. - silver head
'50 "19 Sideport" .197 glow - silver head, timer cam capped
'50 "23 Deluxe" .232 ign. - rotary valve with large die cast tank
'50 "23 Deluxe" .232 glow - as above, timer cam capped
'50 "Midget Car Engine" .299 glow - flywheel one end, shaft other
'50 "33" .331 ign. - red head, front rotary valve, Adjusto-Matic timer
'50 "33" .331 glow - as
above but timer cam capped 
'50 "29 Marine" .299 glow - flywheel at front - shaft at rear
'51 "231d" .232 glow - streamlined metal tank attaches to rear
'51 “291” .299 glow - like "231d"
'51 "331" .331 glow - like "231d"
'51 "601" .603 glow - front rotary, no boss on case for sideport
Company sold to Cheminol Corporation
ORR
'46 "65" .647 ign. - horizontal needle valve, 3/8" plug
'48 "Tornado 65” .647 ign. vertical needle valve, 3/8” plug
'48 "Tornado" .647 ign. - vertical needle valve, 1/4” plug
ORWICK
'46 "64" .647 ign. - dull
green crackle painted case 
'47 "23" .237 ign. - dull green crackle painted case
'47 "74" .741 ign. - dull green crackle painted case
'47 "32" .317 ign. - dull green crackle painted case
'53 "29" .299 glow - kelly green painted case
'53 "32" .323 glow - kelly green painted case
PACEMAKER
'46 .594 ign. - sand-cast, smooth exterior case
'47 .594 ign. - die-cast,
case has fins on bypass & front bearing 
PACIFIC AIRMOTIVE CORPORATION
'46 “Dennymite Airstream" .573 ign. - bronze conrod, flared exhaust
'46 “Meteor" .604 ign. - round cyl. sandcast & copper plated
PAGLIUSO
'59 "Pagco Car Engine" .096 glow
'59 "XF-D9” .096 glow - similar to Athearn "Pogo"
P.A.L. ENGINEERING CO.
'50 "55" .552 ign.- inline alternate-firing twin
'51 “55” .552 glow - as above
'53 "110” glow - 4-cylinder, 2-cycle
'53 "55 Marine" .552 glow - inline twin, water-cooled
'54 "Pal 4 Marine" 1.104 glow - 4-cylinder, water-cooled
PERKY
'40 .191 ign. - vertical
spark plug 
'41 "Supercharger A" .191 ign. - backswept spark plug
'41 "Supercharger B" .232 ign. - like “A" but bigger bore
'41 "Supercharger C" .610 ign. - scaled-up version of "A"
'46 "Perky A" .191 ign. timer & throttle arms have ball ends
PHAMTOM MOTORS
'41 "P-30" .295 ign. - single detachable ex. stack, flat piston
'46 "P-30” .295 ign.
- twin die-cast bolt-on stacks 
'47 "P-30" .295 ign. - twin tubular stacks permanently brazed on
PIERCE INDUSTRIES
--- Currently owned by RJL
'46 .297 ign. - rear rotary, unpainted fins
'47 "Model J" .297 ign. - sideport, made from same case casting
'47 “Model J Super" .297 ign. - rotary valve, black fins
'48 “Glo-Champ" .297 glow - rear rotary
PRECISION
'37 “812” .387 ign.
'37 "820" .387 ign. - green enameled case
PRICE
'40 "Midget" .243 ign. - sand cast, streamlined head fins
PRODUCTION & TOOL CO, LTD. (Canadian)
'45 "Hurricane” .242 ign. - round cylinder fins
'46 "Super Hurricane" .244
ign. - streamlined cylinder fins - die cast 
POWER MODEL ENGINES
'36 .462 ignition
'36 .687 ignition
'38 "Inline Twin" .901 ignition
RAM
'48 .292 ign. - Rogers-type motor
RANGER
'39 “A" .208 ignition
'39 "B" .292 ignition
'39 "C" .313 ignition
R. B. STEEL
'46 "R-B Special" .299 ign. - similar to Cannon
'47 "R-B-C" .362 ignition
'50 "R-B Special" .299 glow
REBEL
'39 .233 ignition
ROGERS 
'41 "KD-29" .292 ign. - sideport, sold in kit form
'41 "29" .292 ign. front rotary, tank on fake sideport intake
'41 "35" .352 ign. as above, but "35" stamped on case
'42 "RMO-2" .292 ign. - sideport, "RMC-2" stamped on case
'46 "29" .292 ign. - front rotary, stub rear air intake
'47 "Ram" .292 ign. - long rear venturi, make & break timer
'47 "29" .292 ign. - front rotary, make & break timer
'47 "35" .352 ign. - as above but '35" stamped on case
SCHUMACHER
'40 “19” .193 ign. - sand cast, long knurled timer knob
SCIENTIFIC MODEL AIRPLANE CO.
'31 3-cylinder compressed air motor - radial type
SCOTT MOTORS
'46 "Thunderbird C” .604 ign. - twin stacks
'47 "Thunderbird" .647 ign. - thin-walled sleeve
SOUTHERN MODEL ENGINEERS
'38 "Alternate Firing Twin" .326 ign. all sand cast
SPEED DEMON
'47 "Diesel" .296 - no castings, all machined from bar
STENMOOR
'42 "Bobcat" .420 ignition
SUPERCHARGER
'46 “C” .604 ign. - twin exhausts, rear drum rotary
SUPERCRAFT
'40 "Sky Chief" .526 ign.
- exhaust port is single slot 
'41 "Sky Chief" .526 ign. - exhaust port is double hole
'41 "Sky Chief Jr." .198 lgn.
SUPER MOTORS, INC.
'46 "DeLong 30" .299 ign. - sand cast, name hand stamped
'46 "DeLong 30" .299 ign.
- die cast 
'47 "DeLong .45" .454 ign.
'47 "DeLong Diesel” .295 - variable comp., die-cast, front rotary
'49 "Gloplug Special" .299 - dummy timer housing, roller bearings
SYNCRO DEVICES
'37 "Ace" .562 lgn. - large die-cast tank at rear, entire engine streamlined
'38 “Bee” .122 ign.
'38 "Ace Special" .562 ign. - small metal tank hung on venturi
'40 "B-30" .292 ign. -
1st of Roger-type motors, big boss at exhaust 
'40 "PC-2" .292 ign. - true prototype of Rogers, sideport
THOR
'46 .292 ign. - sheet metal timer, teardrop cylinder
TLUSH
'37 "Super Ace" .601 ign. - sideport, all cast, tall, thin head fins
TROJAN
'37 "Jr." .192 ign. - brazed cyl. painted dark blue, roller bearings
'39 "Sr." .232 ign. - as above, tubular exhaust stack at rear
'40 "Zephyr" .250 ign. - as above, larger all over
VECO PRODUCTS
'51 "29" .297 glow -steel
fins, actually wholly built by K & B 
--- Currently owned by RJL
'51 "31" .319 glow - as above, "31" .on case --- Currently owned by RJL
'53 "29 T.C.C." .298 glow - aluminum fins, built by Veco --- Currently owned by RJL
'53 "31 T.C.C." .319 glow - as above, "31" on case --- Currently owned by RJL
'54 "35 T.C.C." .348 glow - as above, "35" on case --- Currently owned by RJL
'56 “19” .199 glow - more massive case, 1st of "Series 100" type
'57 "29 series 100" .299 glow - same style case as “19"
'57 "35 Series 100" .348
glow - as above, "35" on case 
'58 "35RC" .348 glow - barrel throttle
'58 "19RC" .199 glow - barrel throttle
'59 “35C” .348 glow - crankcase pressure bleed
'59 “29RC" .299 glow - barrel throttle
'59 “29R" .299 glow - big shaft, long venturi insert
Sold to K&B Manufacturing
VIVELL MOTORS
'44 “Class C” .347 ign. - cad. plated cyl., long timer arm
'44 “Class C” .347 ign. - copper plated cyl., sheet metal timer
'45 "35" .347 ign. - black cylinder, small exhaust stack
'46 "35" .347 ign. - black
cylinder, larger exhaust, tank on back-plate 
'46 "Super 35" .347 ign. - large bypass & exhaust, stamped "Super 35”
'46 "Twin 60" .569 ign. - deep-finned cylinders with flat heads
'46 "Forty-Niner" .489
ign. - flat-topped 1-pc. cyl. & head 
'47 "Twin 60" .569 ign. - deep-finned cylinders with finned heads
'48 "Diesel" .098 - fixed compression, rear rotary
'48 "Diesel" .098 - as above but variable compression
WARREN
'38 "Tom Thumb” .451 ign. - same as '37 Bunch "M.M." but for name
'47 "Tom Thumb" .451 ign. - same as "Tiger Aero" but for name
WEISS
'11 1.004 - all sand cast, was 1st known advertised model engine
WEN-MAC (All engines designed & originally made by Atwood) --- Currently owned by RJL
'52 "Mark I" .050 glow - same as 1st Atwood 1/2A, some had red heads
'55 "Mark II" .050 glow - rewind-type pull starter
'59 "Mark III" .050 glow - back-winding "re-coil" starter
'59 "Hustler" .050 glow - as above but no starter
WENSEN 
'46 .362 ign. - postwar improved copy of Baby Cyclone
'47 .362 ign. - as above but all castings revised, timer improved
WERNER
'60 .245 5-cylinder radial, 2-cycle glow, constant-vacuum case
WILLIAM BROWN, III
'41 "Pioneer Brown" .292 ign. - same as early Rogers, name on head
WOODRIDGE MANUFACTURING COMPANY
'44 "Scrapper" .290 ign. - timer at front, unfinned head, no color
'45 "Super Scrapper" .290 ign. - rear timer, head fins, black cylinder
WORLD-WIDE
'39 "Demon" .154 ignition - like miniature "Bunch", sand cast
©2008-1996 MECOA - RJL Industries, All rights reserved.
No part may be reproduced without written permission from
MECOA -- P.O. Box 5 -- Sierra Madre, CA 91025 U.S.A.
Some Extras
Lykens Brown
Baab-Fox 