Heli Engine RL-53H from Thunder Tiger

REDLINE is a new engine product line of Thunder Tiger. High performance, extreme power will be the main features of this series engine. RL-53H helicopter engine is the first engine in this series. With the biggest displacement and awesome power, RL-53H is the best choice nitro power plant for your 50 size heli model. Just remove your current 50 size engine from the heli. Install TT new RL-53H, you will get the extreme power you never experience before!! Basic Specification: Displacement: 0.529 cu.in / 8.67 cc Bore: 0.886in/ 22.5mm Stroke: 0.858in/ 21.8mm Practical RPM: 2,000~21,000 RPM Output: 2.1 BHP @17,000rpm Weight: 13.4oz/380g Glow Plug: RL#3 Plug included Features: New REDLINE series engine Biggest displacement with large power in the .50 class heli engine Fix type Carb. Install with thermal Isolator gasket construction Ringed piston with XC2 cylinder construction Push-Pull throttle lever Anodize Machinery Cylinder Head LB Type RR Ball Bearing Reinforce beam structure