K&B .61 Twister Aero - Part Number 6170
This is the same as 6150, only the muffler is different.
Offers small frame size/mounting package for a .61 engine
with exceptional power for greater climbing
and acrobatic ability not to mention better pull for
out of sight vertical climbs and hand launches.
SPECIFICATIONS
Bore & Stroke
.940 (23.88mm) --- .880 (22.35mm)
Displacement
.61 Cu. In. (10cc)
Weight
engine 14.25 oz. (404g); muffler 3.7 oz. (105g) oz
Crankshaft thread
1/4 x 28
Crankshaft bearing
double ball bearing
Connecting rod type
billet 7075 Aluminun - bronze bushing both ends
Piston/cylinder type
aluminum piston, brass cylinder with hard chrome plating
Carburetor
Remote high speed needle, idle mixture disk
Porting type
modified Schnuerle ports with boost port
Crankcase
one piece high pressure die cast
Glow Plug
K&B 1L Standard Long
Max Horsepower
1.8 with tuned pipe @ 14,000 & 25% nitro
Practical RPM range
2,200 - 14,000
Max RPM
17,000
Prop size
11x7 12x7 12x8 13x6
Recommended fuel
5~15% nitro (minimum 18% oil by volume)
Running temp
230-250f
Warranty
1 year limited warranty against defects.
See warranty for details.
Muffler/pipe
standard muffler
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