Replacing R/C motor components on a rover

Hi guys,

I’m working on a rover project and was considering adding some kind of suspension system, like that used on standard 4x4 R/C monstor truck models.

As I’ve owned a couple of Nitro powered cars, and never had electric R/C’s,
this brings up a couple of questions.

Are the motors used in the rover kits (Gear Head Motor - GHM-01) standard electric R/C motors?
(They seem to be much lower RPMs)

Do they have the same output shaft size (6mm) and mounting hole dimensions, is this a standard motor I could change or upgrade to somethng like a motor from a Traxxas monstor truck?

And finally, I noticed some R/C car/truck motors seem to have 3 wire connectors, where the GHM-01 from the rovor only has 2.
So what is the extra wire connector for, and can it be used just by wiring 2 connectors?

I’m hoping if the output shaft size is the same as standard R/C gear, I can fabricate some kind of suspension system using off the shelf parts from a R/C hobby store.

I’m assuming you are referring to a Mabuchi RS550 type motor. These are what the standard RC car motors are based on. They are traditionally not very efficient, but have a lot of power. You’re forgetting the “gear head” part of the description. RC cars usually have the gear reduction built into the rear differential. Our gear head motors have the gear head built into the motors case.

No way. There probably are gear heads that will fit the RC car motor but I have no experience with them.

You’re describing a brushless motor. Cheaper ones are one direction only. They do have them for RC cars now, but they are pricey. They require special controller with feedback to operate like a normal motor.

Thanks for the info :wink:

That clears up a few things, a motor upgrade was a thought but not really my primary concern I guess.

So now I’m wondering what the shaft size is on a standard R/C motor.

If I fabricate a suspension system from R/C parts, do you think the axel would bolt right onto the 6mm gearhead shaft.