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RC Engine Speed controller

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csa3d:

--- Quote from: danny_galaga on January 16, 2009, 12:32:53 am ---can you post some pics of what youve done so far? what sort of monitor is it? what sort of gearing, if any, do you have. if its no heavier than a 15" CRT, you can use a tamiya planetary gearbox kit, as is. this is what i used for my monitor. heres some pics so you can see what ive done (about half way down)

--- End quote ---

I used the Solarbotics Gearmotor combo as I've documented here.  This is my old setup but I'm using the same motorized setup on the new version.  I've setup my new version very similar to your cocktail if I recall... where there's a disk with four down facing wheels at 90 degrees, and 2 bumper wheels for the platter to rest on.  The wheel is set up to ride along the circumference of the platter, and limit switches under the platter cause it to stop.

I have a few more bugs to work out.. and I've all ready posted two non-working rotating versions.  I want to get this last one right before I post again :)

-csa

Ed_McCarron:

--- Quote from: csa3d on January 14, 2009, 06:13:21 pm ---Can I put an electronic equivalent of a "dimmer switch" between the motor leads to drop the voltage to make it spin slower...

--- End quote ---

Yes.  Like PK said, check out PWM controllers.

http://www.ramseyelectronics.com/cgi-bin/commerce.exe?preadd=action&key=MSC1C

Theres tons of speed controllers out there, but you'd want one with no R/C interface.  If you're controlling it from a computer or PIC check out:

http://www.dimensionengineering.com/SyRen10.htm

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