OOPS. Yes, E12 (NOT S) E12 26AE12HA GR17 963. Same control as E12M.
The S has the electronic controls.
I stand corrected. Yep, THAT'S why it's robust.
Larry Elie
-----Original Message-----
From: RJ Kanary [mailto:rjkanary nauticom net]
Sent: Thursday, November 04, 2004 12:18 PM
To: Elie, Larry (L.D.); SteveS; et
Subject: Re: (ET) Re: ET reliability
Is it within the realm of possibility that there exists some
confusion
between the E-12 S, which has a front mount mower and electronic
controls,
the E-12, which also has a front mount mower, but has a centrifugal
switch
on the traction motor, traction motor reversal handled by contactors and
the E-12 M, that has the same electrical configuration as the E-12,
but has
a mid mount mower ?
----- Original Message ----- From: "Elie, Larry (L.D.)" <lelie ford com>
To: "SteveS" <ssawtelle fcc net>; "et" <Elec-trak cosmos phy tufts edu>
Sent: Thursday, November 04, 2004 10:53 AM
Subject: RE: (ET) Re: ET reliability
I'm a bit surprised. I've reversed an E12S at speed PULLING A TRAILER
without consequence. An E15 under similar circumstances fried a board.
The worst I've done is overheat a thermal switch on the drive motor
which
reset in 10 minutes. That was disking in D2 for too long. I've not
tried
an E20/I5 because I don't have one. I like simple, and even if
something
on an E12S goes, it's not too hard to fix. BTW, my E12S doesn't even
have
any control boards to corrode or fry like a newer models; it's all
relays,
contactors and wire. Very robust.
Larry Elie
-----Original Message-----
From: elec-trak-bounces cosmos phy tufts edu
[mailto:elec-trak-bounces cosmos phy tufts edu]On Behalf Of SteveS
Sent: Thursday, November 04, 2004 10:24 AM
To: et
Subject: Re: (ET) Re: ET reliability
My understanding is that an E12S is an E15 without the field-weakening
throttle positions (not a PM either). So it is a pretty simple machine.
However, mine does not tolerate reversing without stopping first - the
reverse relay gets eaten. My E20, on the other hand, seems to tolerate
indiscriminate reversing pretty well (no problems yet).
- SteveS
David Roden (Akron OH USA) wrote:
If I'm not mistaken, the later E12 had a PM motor; early production was
wound
field type. I was thinking that the later PM model was the E12S, but
perhaps
not (or perhaps that's not the "S" difference).
David Roden - Akron, Ohio, USA
1991 Solectria Force 144vac
1991 Ford Escort Green/EV 128vdc
1970 GE Elec-trak E15 36vdc
1974 Avco New Idea 36vdc
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