10:1 light duty winder

Price: $17.99
Available for immediate shipping!

10:1 gear ratio winder with a two stage gearbox, first stage sun & planet, second spur gears.  Accurately laser cut from Baltic Birch plywood.  Complete hardware pack includes bearings, screws, split pins & bamboo dowel..  Great for Science Olympiad events.  For rubber motors up to 1/8".   Not intended for larger outdoor motors.

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