Radio Controlled Models
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Spur Gears (Main Gears) For Radio Controlled Models

Introduction

    For those new to Radio Controlled Model Racing, choosing the right Gear Ratio can be confusing and frustrating to say the least.

    To help you get it right, check out my article page "Gearing to Win" and see how easy it really can be to get you up onto that winning rostrum.

















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Hints, Tips and Information

Look after your Gears

   In RC there are a number of different gear teeth sizes we tend to use, based on two systems. Imperial and metric.

   The imperial system has sizes 24dp, 32dp, 48dp and 64dp. DP stands for Diametral Pitch and the number refers to the number of teeth per inch.

   The metric system has sizes 0.4m, 0.5m, 0.6m, 0.7m, 0.8m and 1m. M stands for Module and is the ratio of the reference diameter of the gear divided by the number of teeth.

   The different sizes are used basically for strength. 32dp gear teeth are larger than 64dp gear teeth, therefore the 32dp gears are by design stronger and for this reason are more commonly used on a number of entry level buggys, to help them withstand the knocks and crashes by drivers new to RC, and nitro models because of the higher torque levels involved. Also, the bigger the scale of the model, the stronger the teeth need to be.

Read the Complete Article  ▶ ▶

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24dp Pinion Gears
32dp Pinion Gears
48dp Pinion Gears
64dp Pinion Gears
0.4 Module Pinion Gears
0.5 Module Pinion Gears
0.6 Module Pinion Gears
0.7 Module Pinion Gears
0.8 Module Pinion Gears
1.0 Module Pinion Gears






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