The Traxxas 3.3 (TRX 3.3) engine is commonly fitted to the Traxxas Revo radio-controlled off-road vehicle, but appears with other models as well. The engine allows these tiny vehicles to achieve speeds of up to 45mph.
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Weight, Displacement and Bore x Stroke
The TRX 3.3 engine weighs 257g and is a 3.3cc engine, a significant increase from its previous model, the TRX 2.5, which was only 2.5cc. The TRX 3.3 sports a 14.7mm cylinder bore and a 16.9mm stroke.
Peak Performance Statistics
The TRX 3.3's maximum horsepower is 1.06hp at 30,900rpm. Its peak torque is 1086gr-inches at 22,700rpm, and its maximum cycle speed is 38,100rpm.
The distance between the TRX 3.3's mounting holes on the same side is 11mm, while the distance between the mounting holes on the opposite sides is 32mm. The engine measures 32mm from its centre to its front bearing. The distance between the bottom of its mounting flanges and the top of its cylinder head is 92mm. Measurement from the bottom of the engine's crankcase to the top of its cylinder head is 105mm. The TRX 3.3's mounting flanges are 39.5mm wide.
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