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RE: (ET) Re: new electrics



Because Electric Ox has the large tractor area covered (also high price
covered), I think the focus should be for the small yard person.  Something
like the john Deere e90 size.  Small rear engine mower with good turning
radius, fixed engine speed and belt drive deck.  With something like that
you cut down on cost and open up the majority of the machine to parts that
are already available for the ice counterpart. The fixed speed engine will
eliminate the controller issues leaving only a good hands off charging
system to deal with (sealed batteries).  You could use the multi speed
friction disk trans like the snapper to get variable speeds.   Basically
take the snapper rear engine rider, stripe the ice, install appropriate
electric motor and batteries.  Use an off-board charging system so you 
don't
deal with crude and mice getting into the charger.  Yes, you will not be
plowing, blowing snow or pulling heavy loads, but you will have a low cost,
low maintaince, quite mower for someone with a yard to big for a push 
mower.

-----Original Message-----
From: elec-trak-bounces cosmos phy tufts edu
[mailto:elec-trak-bounces cosmos phy tufts edu] On Behalf Of Travis 
Creswell
Sent: Thursday, February 19, 2004 2:20 PM
To: elec-trak cosmos phy tufts edu
Subject: RE: (ET) Re: new electrics

23 ft. lbs (off hand)

Travis

-----Original Message-----
From: Dave & Debbie Barden [mailto:daveb seanet com] 
Sent: Thursday, February 19, 2004 4:56 AM
To: ozsolar ipa net; elec-trak cosmos phy tufts edu
Subject: RE: (ET) Re: new electrics

thanks for the reminder.  what's the proper torque value?  anyone know
offhand?

dave
seattle

> Be sure to use the fiber washers to hold the blades and torque to the
> proper
> spec and you probably won't have any problem.  The washers act as
> clutch,
> albeit a one time use but they've saved my motors and shaft several
> times.
> 
>  
> 
> Travis Creswell
> 
> Joplin, MO
> 
> E-15
> 
>  
> 
> -----Original Message-----
> From: elec-trak-bounces cosmos phy tufts edu
> [mailto:elec-trak-bounces cosmos phy tufts edu] On Behalf Of Bob Murcek
> Sent: Thursday, February 19, 2004 12:06 PM
> To: elec-trak cosmos phy tufts edu
> Subject: (ET) Re: new electrics
> 
>  
> 
> I think the problem is with bent shafts, probably because of the
> momentum in
> the spinning motor armature.  Would a slip clutch coupling of some kind
> help?
> 
> >>> "welches" <welches paonline com> 2/19/2004 12:54:41 PM >>>
> Regarding belts & immovable objects...  One of the appeals of the ET is
> that
> there aren't any complicated belt mechanisms, especially with a
> mid-mounted
> deck where access is tight.  To avoid losing a motor, why not have an
> "overload" breaker switch of some sort that cuts out when a blade is
> forcibly stopped or highly stressed?  The operator could just reset it
> and
> proceed.  No belts to change, no safety issues, no fuss...
> 
> My 2 cents - and I don't even own an ET yet!  How's that for cheek!
> 
> Steve
> 
> 
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> 
> 
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