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OS O.S. GT15HZ Petrol W/E-4051 Sil.
The O.S. GT15HZ 2-Stroke petrol helicopter engine is also the first petrol engine designed especially for 90 class engine/ 700 size helicopters. With an approximate runtime ratio of 1 minute per 10cc of petrol, it offers astoundingly long flight times and a low cost alternative to glow fuel.Gasoline engine generates larger amounts of heat. To prevent overheating, a large deep-finned head is employed, which ensures a steady power supply by cooling the entire engine efficiently.The Ignition unit has been designed with ignition timing specifically for helicopter engines and features a straight plug cap for easier installation in the limited space.
Suitable for use with a 4.8-7.5V battery.
OS test data shows with a 300cc fuel tank you can achieve an approximately 25 minute long flight!
The included compact standard type silencer is suited to compact/sport installations especially in scale helicopters.
Part No: L-OS38154
Item Name: OS O.S. GT15HZ Petrol W/E-4051 Sil.
Thunder Tiger Pro53H RedLine
Higher performance and extreme power in a compact-size engine with yet larger displacement and awesome power. The RL-53H is a fantastic nitro powerplant for your 50 class R/C helicopter. The RL-53H engine features XC2 extreme composite coating with nano-technology from Japan for longer engine life, a special criss-cross pattern etched on the sleeve wall for much lower friction and an oversized heat sink head. These exclusive RL-53H's features deliver much more reliable power and higher torque through the full range of RPM.
The brand-new carb design is mounted on the crankcase with a very effective heat insulator to keep the carb working at stable temperature under all conditions.
8.67cc (0.529 cu.in.)
2.1 bhp @ 17,000rpm
2,000 - 21,000
Part No: TT9606
Item Name: Thunder Tiger Pro53H RedLine
Thunder Tiger Redline RL-100H Heli Engine
The newly designed RL-100H is available and ready to make a new standard for you. High performance and extreme power in a compact-size engine with yet larger displacement fits existing.90-size helicopters on the market. Absolutely nothing beats it for insane torque, crisp authority and lightning-fast power transitions. • Designed for stable hovering and aerobatic 3D flights • NANO XC2 (extreme composite coating) cylinder liner with special criss-cross pattern etched
r>• Precisely-balanced crankshaft with Ni plating to further reduce corrosion • Knife-edged design & high-strength connecting rod with bushings pre-installed • Lightened hypereutectic machined A1-Si ringed piston • Machined over -size heat sink head with 12 heat-spreading holes to enhance cooling • Reinforced resin rear cage ball bearing support • 2 Needle valves with both Hex and FT driver head at same side for easy adjustment • Approved non-seizing flange mount carburettor with thermo insulator • Push-pull throttle lever • State-of-the art CNC machined components • High performance Japan made Redline R3 glow plug included
3.91 hp @ 14,500rpm
2,000 - 16,000
Part No: TT9611
Item Name: Thunder Tiger Redline RL-100H Heli Engine
Thunder Tiger RL-56H RedLine
Improved from the acclaimed RL-53H for its awesome raw power, the RL-56H is ready to write its legend from now on. Higher performance and extreme power in a compact-size engine with yet larger displacement and awesome power.
0.553 cu in/9.05 cc
2,000 - 21,000
Part No: TT9612
Item Name: Thunder Tiger RL-56H RedLine
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