Phosphor-bronze bushings support the crankshaft
ABC piston/cylinder assembly
Forged aluminum connecting rod with dual bushings
Precision air-bleed (single needle) carburetor makes needle valve
Large volume muffler for noise control with rotatable outlet
One Assembled Engine
One Expansion-Style Muffler w/Pressure Fitting
One Instructions Set and Decals
One Set of Wrenches .
Glow plug, prop, engine mount, fuel filter, and fuel (Thunder Tiger
recommends fuel with castor oil).
Displacement: .396 cu in (6.49cc)
Bore: .835" (21.2mm)
Stroke: .724" (18.4mm)
Power Output: 1.1 HP @ 16,000 RPM
Practical RPM range: 2,000 - 16,000
Weight: (not given, contact mfg)
Crankshaft thread size: 1/4-28
Crankcase width (for engine mount): 1.26"
Width between muffler mounting holes: 1.375"
Overall height: 3.25" (82.5mm)
Overall width (w/mount flanges): 1.93" (49mm)
Overall length (backplate to front of drive washer): 2.96" (75mm)
Recommended prop size: 10x6 (break-in); 10x6 (aerobatic);
10x6, 10.5x7 (sport and scale)
Weight: 345 grams w/muffler
260 grams w/o muffler
Updated JBM 2-13-06