[DeTomaso] Fan speed controllers

GW gow2 at rc-tech.net
Fri Feb 4 06:35:45 EST 2011


A couple days ago there was a discussion on speed controllers for fans. 
This is a controller I have used for different things which is quite 
versatile. It is rated at 25A with peak current of 45A. It includes over 
current and thermal protection. Supply power is 6-24v.

This can be controlled with an R/C signal (digital) or a simple pot 
(analog) configurable by dip switch; the pot being an obvious choice for 
the car. The heating ventilation doors in the project I am working on 
will be servo based so I may use the digital feature. There is a 5v 
regulated power from the board for tuning with pot or running a 
microprocessor (for control).

I actually use dual controllers for this:

http://www.rc-tech.net/per2/rob.jpg

This will actually pull a child around in small wagon no problem.

Gary




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