2-Stroke Heli PRO-39H(R) /1.jpg) | Specification:
- Displacement(c.c. / cu.in.): 6.45 c.c. / .394 cu.in.
- Bore(mm / in.): 21.6 mm / 0.850 in.
- Stroke(mm / in.): 17.6 mm / 0.693 in.
- Practical R.P.M.(R.P.M.): 2,000 ~ 17,000 rpm
- Output(BHP/RPM): 1.35 BHP / 16,000 RPM
- Weight(g/oz): 290 g / 10.23 oz | Introduction:The Pro series helicopter ring-type engines are equipped with dual ball-bearings, Schnuerle porting, one ring-type piston / cylinder assembly and two-needle automatic mixture control carburator.
The 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 |
| | | | | Content:
1. PRO-39H engine x 1 EA 2. Carburetor Assembly x 1 EA 3. Allen wrench x 3 EA (2.5mm ＆2mm ＆1.5mm) 4. Instructional manual x 1 EA 5. TT logo sticker x 1 EA
|
|
Engines 
/2.jpg)
/3.jpg)
/4.jpg)
/5.jpg)
/6.jpg)
