|Displacement(c.c. / cu.in.)||6.90 c.c. / .421 cu.in.|
|Bore(mm / in.)||21.5 mm / 0.846 in.|
|Stroke(mm / in.)||19.0 mm / 0.748 in.|
|Practical R.P.M.(R.P.M.)||2,000 ~ 15,000 rpm|
|Output(BHP/RPM)||1.10 BHP / 14,000 RPM|
|Weight(g/oz)||357.2 g / 12.60 oz|
The Thunder Tiger GP-42 engine is designed to combine high performance with easy handling and maintenance using CAD computer technology. Major components of the engine are machined from the highest quality materials using state-of-the-art CNC manufacturing techniques, resulting in consistent-high quality and reliability.
The GP-42 engine is equipped with maintenance-free bronze bushings, Schnuerle porting, a special ABN type piston and cylinder sleeve, an easily adjusted air bleed carburetor, and a safe angular needle valve. The GP-42 engine has been specifically-designed to suit both beginners and experienced modelers.