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Thunder Tiger PRO .39H Ringed TTR9604


, Displacement:, 0.394 cu in (6.45cc), Bore:, 0.850" (21.6mm), Stroke:, 0.693" (17.6mm), Output:, 1.35 hp @ 16,000 RPM, RPM Range:, 2,000 - 17,000, Weight w/o Muffler:, 10.23oz (290g), ,


Thunder Tiger Pro-39H delivers smooth power for sport and 3D pilots alike and delivers smooth power at your demand. With a displacement at .394 cubic inches, the Pro-39H is the largest displacement engine available in the popular 30-size helicopter class, and directly fits in all popular machines. Precision air bleed carburetor makes adjustments simple, and efficient mufflers keep things quiet at the field.

The Pro-39H works best in helicopters with gear ratios ranging from 9: 1: 1 to 9: 8: 1, and develops peak horsepower at 16,000 to 18,000 RPM.
Features

XC2 (extreme composite coating) cylinder liner with special criss-cross pattern etched
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
Lightened hypereutectic machined Al-Si ringed piston
Rear reinforced resin cage ball bearing support
State-of the-art CNC machined components
2 Needle valves carburetor


Check price and availability


Found 7 years, 2 months ago



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