Page 1 of 1

Barrel style Resistor heatsinks

Posted: Tue Mar 07, 2017 5:53 pm
by Meakz1973
I'm trying to figure out how the old barrel type resistor heat sinks were used. They seem to come in 2 threaded pieces. Can somebody show or explain please?
Thank you!

Re: Barrel style Resistor heatsinks

Posted: Tue Mar 07, 2017 7:52 pm
by Y'ernat Al

Re: Barrel style Resistor heatsinks

Posted: Tue Mar 07, 2017 10:31 pm
by Meakz1973
You mean this awesome looking beast of a speed control?!

I need a crash course in how that whole set up goes together!

Re: Barrel style Resistor heatsinks

Posted: Wed Mar 08, 2017 7:30 am
by Y'ernat Al
There are other ways to use it. Parma's for example was double barreled but sat horizonatally, servo taped on the servo top.

http://www.rc10talk.com/download/file.php?id=73166&t=1

Image

If you have one of the stock rheostats that came with the Edinger/Cadillac RC10 kits, you can use the barrel in lieu of the bar that AE gives you, but then you have to devise another mounting method. You coud cut and bend your own sheet of aluminum to get it mounted.

Re: Barrel style Resistor heatsinks

Posted: Wed Mar 08, 2017 10:26 am
by Meakz1973
Thanks, that's very useful info and the diagram helps. How hot of a motor could that Parma speed control with resistors/heat sink handle bitd?

Re: Barrel style Resistor heatsinks

Posted: Thu Mar 09, 2017 10:32 am
by Y'ernat Al
Meakz1973 wrote: Wed Mar 08, 2017 10:26 am Thanks, that's very useful info and the diagram helps. How hot of a motor could that Parma speed control with resistors/heat sink handle bitd?
Good question. See the brown on the pic of my Parma immediately above? Probably depended on how much time the throttle operator spent with his wiper at anything lower than full open to the left (reverse is to the right in the photo). I remember it was pretty important to have full throttle well adjusted so the wiper button sat on that wide part only...or hence the heat on the band immediately adjacent.

Re: Barrel style Resistor heatsinks

Posted: Thu Mar 09, 2017 2:06 pm
by tamiyadan
.