High Speed Gear Box 11.6:1 and 18.0:1
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This versatile and easy-to-construct gear box is a great choice for use in working models.
The gears are of polyacetyl resin, which permit efficient power transmission with less mechanical noise than metal gears. Two (2) gear ratios, 11.6:1 and 18:1, can be selected by altering the gears. Operates at 4.5V DC. 15100 RPM.
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