Re: FW: (ET) Problem with E20

["Tim Humphrey" <hump evgrin com>]

A varistor is a capacitor.
-- 
Stay Charged!
Hump
"Ignorance is treatable, with a good prognosis. However, if left 
untreated, it develops into Arrogance, which is often
fatal. :-)" -- Lee Hart

Get your own FREE evgrin.com email address;
send a request to ryan at evsourcecom


>
>
> -----Original Message-----
> From: elec-trak-bounces cosmos phy tufts edu
> [mailto:elec-trak-bounces cosmos phy tufts edu] On Behalf Of Chris 
> Tromley
> Sent: Friday, July 08, 2005 12:27 PM
> To: 'Perry Cain'; elec-trak cosmos phy tufts edu
> Subject: RE: (ET) Problem with E20
>
> Perry Cain wrote:
>
>> What the varistor does is protect voltage spikes.  It "captures" them.
>> At some point, over time, it just cannot take it anymore and cooks.  A
>> card
>> #4
>> problem just speeds this up.
>
> Hmmm.
>
> I don't have an E-20, mine is a New Idea EGT-150.  I do have a varistor 
> on a
> teeny little board with some diodes crammed onto it.  The varistor is 
> toast.
> But my tractor seems to run fine.
>
> If it's supposed to be capturing spikes, might I be doing damage to my
> tractor?  Can someone give me an "Elmer the Electron" description of what
> the varistor does on an EGT-150 (similar to an E-15)?
>
> Chris
>
>
>
>
> _______________________________________________
> Elec-trak mailing list
> Elec-trak cosmos phy tufts edu
> https://cosmos.phy.tufts.edu/mailman/listinfo/elec-trak
>