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Re: (ET) PWM control?
My 4QD is still operating flawlessly. I have a turbo switch like you
mentioned.
Tim
Quoting Rich Rock <wealthy_stone hotmail com>:
> I installed the Alltrax controller in my E12s about 3 weeks ago.
> Everything
> worked great at first but after about 4 hours normal run time the the
> tractor
> stopped, the controller made a hissing noise, and some black material
> sputtered from the top of the box. I called Alltrax and they informed me
> there has been about a 5% failure rate on the ET controllers and they
> have
> now addressed the problem that caused the failures. They gave me a UPS
> number to ship the controller back and said they will replace ASAP so
> they
> are responding appropriately. I expect to have the replacement next
> week.
>
> You may want to specifically request a version that has the "problem"
> fixed.
>
> Rich Rock
> ----- Original Message -----
> From: makinglightning comcast net
> To: elec-trak cosmos phy tufts edu
> Sent: Friday, September 24, 2004 7:22 AM
> Subject: (ET) PWM control?
>
>
> Hi,
>
> I am new to this list, my name is Kevin.
>
> I own an E14, E15, and an E20.
>
>
>
> I was wondering if anyone has used a commercial motor speed controller
> on
> an E15 or E20, (the E20 is my main concern) and if so, which one did you
> use?
> I have seen a lot of Curtis controllers on EBAY. I called the company and
> they are not sure which of their controllers would apply to my
> Elec-Trak. I
> have seen a controller called a 4QD, that looked nifty. I am sure I will
> have
> to deal with the field separately, maybe just an extra switch with a
> resistor
> and call it my turbo boost button.
>
> Any input I get would be appreciated.
>
> Kevin
>
>
>
>
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