Replacement main drive gear for the Twister BO-105, supplied as a pack of two. The main gear takes drive from the motor pinion and turns the main rotor shaft, so it's the part that strips when the rotor stops suddenly — a blade strike, a rotor into the ground, or a tip-over on landing.

A damaged main gear usually announces itself as a rattle or a loss of drive under load before it fails completely. It's worth replacing at that point rather than running on, since chewed teeth will start taking the motor pinion with them. Supplied as a pair, so a repair leaves you with a spare on the shelf.

Fitment

For the Twister BO-105 helicopter.

Specifications

Part: main drive gear
Material: plastic
Colour: white
Contents: 2 gears
Manufacturer part number: TWST4001074

SKU TWST4001074
Barcode # 5051121268102
Brand Twister
Shipping Weight 0.0200kg
Shipping Width 0.110m
Shipping Height 0.020m
Shipping Length 0.130m
Shipping Cubic 0.000286000m3

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