TPA wrote:Is this throttle originally intended for use with brushed motors?
I now have one of these throttles, but I have some questions.
I have an e-crazyman BRUSHED controller that has red black and blue throttle inputs, the throttle has as you know red black and green leads, which gives 6 possible arrangements. 4 do nothing, the other 2 cause the motor to come on WOT without using the throttle, in fact pulling the throttle lever causes the motor to slow down (opposite what it should do).
the working combos are
in both cases the throttle red wire is not needed and works the same if you unplug it.
also...My battery reads 33v going in to the controller and the motor leads coming out of the controller read 11v at WOT (brushed motor runs slow).
The throttle reads 900 to 5K ohms between green and black throttle wires when actuated
Any thoughts? Do I need to do your resistor mod?
TPA wrote:Got it working Russell, you are a genious! There was one deviation from your instructions though, the resistance on the throttle reads 0 to 890 ohms instead of 0 to 3.3k ohms like yours between throttle black and green.
one more concern:
I only have some old crappy nimh batteries to test with and they sag badly.
On the battery side of the controller, the resting voltage is about 34V and they sag to about 31.5V at no load WOT.
On the motor side of the controller the resting voltage is about 34V which sags immediately to about 11V as soon as the motor starts turning.
Will the batteries cause this? Good batteries fix it? Or is it the throttle resistance thing I mentioned above?
Russell wrote:If you reset the pot so it started from zero then it should read 0 to 4K-ohms now. -R
How much better do you think this throttle is than a 1/2 twist mounted on the left hand side (i.e. allows me to do the up/down gears on the right side whilst adjusting throttle on the left, albeit the throttle has to twist away from me rather than towards me)?
Don't you accidentally hit the throttle when slamming on the back brake hard?
Patriot wrote:This is the same throttle I am considering as well. I already have a 1kohm resistor inline with the signal lead going to the controller, so hopefully I wouldn't have to do very much.
I found the same throttle at http://www.electricvehiclesusa.com/prod ... z31686.htm
They say theirs is already 0-5k, so I would assume no manipulation is needed.
$25 seems like a good investment to stop the wrist pain from using a thumbie at a weird angle. The thumbie is turning out NOT to be as egronomic as I had hoped.
ekline309 wrote:in your diagram you show that the red wire from the throttle is not used, but in a corresponding goldenmotor thread you say all three wires are connected.
Anything you do to generate a 1V - 4V intput signal on the throttle line will work fine. But be aware that with the eZee controllers, a voltage greater than about 4.5V is considered a fault condition (as happens if the gnd pin of the throttle is disconnected) and will result in no output power and a flash error code on the controller.
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