Power Hobby - Twister Twin / Dual 40mm 1/8 1/5 Motor Aluminum Cooling Fan - Orange Hardware & Fasteners Airplane Wheels There's no engine mount to

There's no engine mount to assemble because the engine is friction fitted snuggly into the body tube

Racers Edge rechargeable glow igniter is constructed for durability and years of trouble-free use

If size and weight are not a concern

Damping affect can be adjusted by viscosity of silicon oil or grease applied

it will also fly extremely well on C11 engines or D engines

Power Hobby - Twister Twin / Dual 40mm 1/8 1/5 Motor Aluminum Cooling Fan - Orange Hardware & Fasteners Airplane Wheels There's no engine mount toSuper high speed fan with a monster performance. Extremely high airflow. Recommended power source 3s lipo. The 3S adaptor is included with an on off switch. Specifications: Dimensions: 80x40x28mm Bearing: Ball Bearing Operating: Voltage 6V 11. 1V Motor mount sold separately: 36 38 Dia. Motor: Part# PHMount01 40 42 Dia. Motor: Part# PHMount02 47 49 Dia. Motor: Part# PHMount03 56 58 Dia. Motor: Part# PHMount04