Thunder Tiger Model Engines are manufactured and fabricated from the finest meterials available using ultra precise computer controlled equipment in a clean, modern environment under ISO 9001 registered quality guidlines. The design supervised by the worlds most renowned engine designer, Mr. Kaz Mihara. Built for the serious modeler who is looking for the best in performance, quality and reliability without having to mortgage the homestead in order to afford it. The new PRO-50H is designed as a direct replacement for .46 size engines or an upgrade for your 30 size heli. Works awesome with the new Raptor 50 conversion for the Raptor 30 kit. Comes with heatsink head with cooling fins for awesome power. Features 2 needle tunability, ball bearing supported crankshaft and includes muffler. Requires glow plug.PRO-50H Item # 9605 Practical RPM Range 2000-17,000 Output(BHP/ RPM) 1.8/16000 rpm Length Backplate-Thrust Washer mm/ in 76.2/3 Height Beam-Top of Cylinder 68.3/2.69 Crankshaft Thread 1/4 x 20 Beam Width mm/in 34.04/1.34 Weight g/oz 405/14.28
