Thunder Tiger Pro 40 Aircraft Engine TTR9140
TTR9140 Thunder Tiger Pro 40 Aircraft Engine

Thunder Tiger Pro 40 Aircraft Engine TTR9140

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Thunder Tiger's Pro 40 aircraft engine features full bearings throughout, a two needle valve carburetor and proven Thunder Tiger reliability. Designed for the serious flyer that is looking for performance, quality, and power! Thunder Tiger's Pro Engines are smooth running and long lasting power plants!!

Side exhaust
ABN construction : Aluminum piston with Nickel-plated brass cylinder liner
Hypereutectic machined Al-Si ringed piston
High-strength connecting rod with bushings pre-installed
One-piece crankcase with squared-off cooling fins
Dual ball bearing-supported crankshaft
Vertical fins heat sink head for optimum air cooling
3- Chamber muffler included
2 Needle valves carburetor
Swept back needle valve for added safety adjustment
State of the art CNC machined components
Redline R2 glow plug included

Displacement: .398 cu in (6.52cc)
Bore: .8228" (20.9mm)
Stroke: .7480"   (19mm)
Power Output: 1.22 HP @ 16,000 RPM
Maximum RPM range: 2,000 - 17,000
Practical RPM range: 2,500 - 14,000
Weight (w/muffler): 17.19oz (487g)
Crankshaft thread size: 1/4-28
Crankcase width (for engine mount): 1.36"
Overall height: 3.4" (87mm)
Overall width (w/mount flanges): 1.97" (50mm)
Overall length (backplate to front of drive washer): 3.39" (86mm)
Recommended prop size: 10x6 (break-in); 10x6 (aerobatic)
Recommended prop size: 11x5, 10x6 (sport and scale)

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