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92Pcs Single / Double Plastic Gear Motor Rack Pulley Gearbox Model Toy Car Auto Craft DIY Accessories Four-wheel Drive Robot Kit Item NO.: F23631

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Product Name	92Pcs Single / Double Plastic Gear Motor Rack Pulley Gearbox Model Toy Car Auto Craft DIY Accessories Four-wheel Drive Robot Kit
Item NO.	F23631
Weight	0.198 kg = 0.4365 lb = 6.9842 oz
Category	DIY RC Drone Accessories > DIY RC Drone Kit
Brand	JMT
Creation Time	2018-01-02

92Pcs Single / Double Plastic Gear Motor Rack Pulley Gearbox Model Toy Car Auto Craft DIY Accessories Four-wheel Drive Robot Kit

Product Introduction:
1.Modulus:0.5M
2.Hole Diameter:0.8,1,1.9,2.05,2.55,3
3.Material:POM plastic
>> DIY knowledge guide
(1) gear diameter calculation formula: gear outer diameter (tooth top circle) = (number of teeth +2) * modulus
(2) If it is 2mm axis, with tight gear, please choose 1.9mm hole gear;
With the loose gear, that is free to slide, please select the 2.05mm hole gear;
In other words, tightly selected with a small 0.1mm hole gear, loose with a large selection of 0.05mm gear