Re: (ET) elec-trak power, rear drive plates, was: Re: ELEC-TRAK in the UK

["RJ Kanary" <rjkanary nauticom net>]

A common disease, indeed. It is less likely  to occur, if the hubs used 
have
set screws in two locations. One set screw, on the key, and another about 
90
degrees away.


RJ Kanary  Bandi Bros. Inc.
Member TRNi  Since 1998
ASE® Certified Master Auto Technician

rjkanary nauticom net

----- Original Message ----- 
From: "Christopher Meier" <mr23 mn rr com>
To: <elec-trak cosmos phy tufts edu>
Sent: Sunday, June 01, 2003 2:39 PM
Subject: (ET) elec-trak power, rear drive plates, was: Re: ELEC-TRAK in the
UK


> Yesterday I was swapping the rear tires (actually, flipping them around 
> to
> reduce the footprint for the summer), and found that the right side drive
> plate had some rotational slop to it.  Got it off with the puller (after
> removing
> the locking bolt), and found that the key had worn the plate's inner
> diameter
> a few degrees.  Anyone else have this happen to them?  I'll probably be
> calling Bill this next week to get a replacement, along with a new key. 
> It
> will
> probably work fine for a while yet, but every time I reverse direction
it's
> probably wearing more.
>
> Reason I mention this is if you're planning to get into tractor pulls,
etc,
> check these out first!
>
> -Chris
>
> ----- Original Message ----- 
> From: "David Roden (Akron OH USA)" <roden ald net>
> To: "Christopher GODDARD" <goddards chadwell1 fsnet co uk>;
> <elec-trak cosmos phy tufts edu>
> Sent: Sunday, June 01, 2003 12:06 PM
> Subject: Re: (ET) ELEC-TRAK in the UK
>
>
> > The ET "horsepower" ratings were pretty fanciful.  They were intended 
> > to
> suggest
> > that the tractors were about as capable as gas tractors of that hp
rating.
> So an
> > E12 can supposedly do as much as a 12hp gas tractor.  Based on my
> experience
> > with an E15, I can believe this.  There are folks using ETs in tractor
> pulls over here
> > with a fair bit of success.
> >
> > The wound-field motors are pretty darn stout.  You'll be amazed at how
> strongly
> > they can pull and how durable they are.  Many or all apparenly have an
> internally
> > connected series field, but the dominant field is the externally
connected
> > separately excited field.  I've heard that the 4QD controllers work 
> > well
> with these
> > motors but haven't tried one yet.
> >
> > Some of the E12s, and I believe all of the E8s and E10s, had PM motors.
> These
> > didn't stand up well to overheating and are usually considered less
> desirable than
> > the GE wound-field motors.  In fact I can't think of any current PM
motor
> that
> > would be a better choice than the wound-field for this application.
> >
> > I believe they all used Peerless transaxles, but I don't know what 
> > model
> or models.
> > Someone else here probably does.
> >
> > The mower motors are PM type but I have no data.  You can buy rebuilt
> motors,
> > new decks, and complete assemblies from Bill Gunn at +1 608 868-6220.
> >
> > Hope this helps.
> >
> > David
> > Akron OH USA
> >
> >
>
>
>