200 amp speed controller

Hayden · 20th January 2006, 09:41 AM

I’ve got a speed controller from a radio controlled car that will do up to 200 amps @ 7-12v its perfect for what I want (size, rating etc) what I need to now is how to run it, what does the receiver put out to tell the speed controller what to do? Is it a pulse width modulated or is it digital?

Thanks in advance

AudioOrigami · 26th January 2006, 04:33 PM

hi
http://www.rcgroups.com/forums/forumdisplay.php?f=13

this is a great forum for any questions in RC stuff

best wishes
j7

Pjotr · 26th January 2006, 08:02 PM

Hi,

RC speed controllers are driven de same way as servo’s and yes that is a PWM signal. You can buy so called servo testers for not so much at a RC-Shop. You can use these for controlling the speed controller as well. But they are not very accurate IMO.

Cheers

lufbramatt · 26th January 2006, 09:14 PM

Ive had that idea too- having used to be into RC touring cars- however, the electronic type speed controllers seem to work by turning the power off and on really quickly, and at low speeds the motors are rather jerky. I had an MRT Vtrac, which at the time was one of the smoothest speed controllers available, and even that made the motor cog severely at low speeds as it turned the power on and off. Might be worth a try though, it could work really well.

Hayden · 27th January 2006, 10:09 AM

Dead right I tested it on a scope. Is there anyway of making a little device with a pot to adjust the pw to control the speed controller?

Or the other option is to make the correct controller for the motor, it’s a fusion phase 3 10x2 it draws 100 amps on the load I have it on and can spin @ 60,000 rpm
I have a 20 amp 12v dc speed controller designed for motors but its not enough

lufbramatt · 27th January 2006, 10:18 AM

what are you using it for? for some reason I assumed you would be using it to control a DC turntable motor, which would need to run really slowly- a 10x2 wouldnt be my first coice for a turnatble motor!

Hayden · 27th January 2006, 10:41 AM

It's just one of my crazy inventions. Its a electric turbine

20th January 2006, 09:41 AM	#1
Hayden diyAudio Member Join Date: Aug 2004 Location: Mackay Australia	200 amp speed controller I’ve got a speed controller from a radio controlled car that will do up to 200 amps @ 7-12v its perfect for what I want (size, rating etc) what I need to now is how to run it, what does the receiver put out to tell the speed controller what to do? Is it a pulse width modulated or is it digital? Thanks in advance

26th January 2006, 04:33 PM	#2
AudioOrigami diyAudio Member Join Date: Feb 2005 Location: scotland	hi http://www.rcgroups.com/forums/forumdisplay.php?f=13 this is a great forum for any questions in RC stuff best wishes j7 __________________ www.audioorigami.co.uk

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
My own Version of Mark Kelly's Speed Controller	Algar_emi	Analogue Source	57	19th June 2012 09:56 AM
Samsung 1602VFD For CDROM Controller & Remote Volume Controller	slowgay	Swap Meet	2	22nd November 2008 02:44 PM
12V DC Motor Speed Controller - DIY?	GlidingDutchman	Everything Else	15	24th January 2008 05:03 PM
DC motor speed controller	Matt Rowland	Analogue Source	144	28th March 2006 05:39 AM
Designing a motor speed controller/PS - querying motors	GUILHERME	Analogue Source	11	3rd November 2002 10:09 PM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

26th January 2006, 08:02 PM	#3
Pjotr diyAudio Member Join Date: Nov 2002 Location: Netherlands	Hi, RC speed controllers are driven de same way as servo’s and yes that is a PWM signal. You can buy so called servo testers for not so much at a RC-Shop. You can use these for controlling the speed controller as well. But they are not very accurate IMO. Cheers

26th January 2006, 09:14 PM	#4
lufbramatt diyAudio Member Join Date: Jan 2005 Location: loughborough/ rochester	Ive had that idea too- having used to be into RC touring cars- however, the electronic type speed controllers seem to work by turning the power off and on really quickly, and at low speeds the motors are rather jerky. I had an MRT Vtrac, which at the time was one of the smoothest speed controllers available, and even that made the motor cog severely at low speeds as it turned the power on and off. Might be worth a try though, it could work really well.

27th January 2006, 10:09 AM	#5
Hayden diyAudio Member Join Date: Aug 2004 Location: Mackay Australia	Dead right I tested it on a scope. Is there anyway of making a little device with a pot to adjust the pw to control the speed controller? Or the other option is to make the correct controller for the motor, it’s a fusion phase 3 10x2 it draws 100 amps on the load I have it on and can spin @ 60,000 rpm I have a 20 amp 12v dc speed controller designed for motors but its not enough

27th January 2006, 10:18 AM	#6
lufbramatt diyAudio Member Join Date: Jan 2005 Location: loughborough/ rochester	what are you using it for? for some reason I assumed you would be using it to control a DC turntable motor, which would need to run really slowly- a 10x2 wouldnt be my first coice for a turnatble motor!