What is RC crawling?

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What is RC crawling

While you are watching the above video, you will begin to love RC crawling.  This activity needs you to have patience as these buggies run very slowly, but steadily.  If you are an off-roader car driver, you are used to driving your RC car to go through rocky paths with high speed, but, RC crawling is an extreme form of RC off-road driving that requires cars to overcome obstacles on very harsh terrain. Thus, low speed is usually maintained in order to reach the destinations.  With these crawlers, you will need to go through deep slopes with very slow speed as steadily speed is necessary when they try to cross the gaps between deep rocks; otherwise, they will fall to the ground and fail a competition.

Power vs speed

You will have a different setup for your crawlers as RC crawling requires power instead of speed.  In fact, hobbyists usually use a brushed motor instead of a brushless motor as the brushed motors are cheap and powerful enough to handle the road conditions.   A brushed motor, 27T or 35T are the popular choices for this type of activity.  Any above 35T will be very powerful, but extremely slow.  Thus, to balance speed and torque (the power to climb) is essential as you do want your crawler to have at least human walking speed.  Then, you can follow your crawler comfortably while driving.  On the other hand, if you do want to use a brushless motor, remember to use the sensored ones so that you can control the speed precisely.  Indeed, for RC crawling, a sensored motor/ESC are mandatory.

Suspension system

The main purpose of crawling is to drive these crawlers to go to where has a regular off-road car never gone before. When you compare a crawler with any Tamiya’s off-road car, you will think a crawler is a durable beast in the wild while Tamiya’s off-road cars are only toy cars.

A flexible suspension system enables a crawler to perform well in harsh roads.  It increases the ability to move easily in tight corners.  In the following video, you can find tips on how to set up your RC crawler properly.

 

 

 

Thanks for reading

By Carlos A. dos Santos, your webmaster.

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