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RE: (ET) newbie
- Subject: RE: (ET) newbie
- From: Jeff Tickner <jefft softlanding com>
- Date: Fri, 4 Jun 1999 08:15:28 -0400
- Organization: SoftLanding Systems Inc
- Sender: owner-elec-trak cosmos5 phy tufts edu
These sound like valid points to me (for what that's worth). The
hydrostatic transmission is finned and has a fan on the drive pulley for
cooling. That means parasitic power losses given off as heat. The power
issue seems valid also for snowblowing. Any sources for cheap and/or used
5HP+ wound field or permag motors? Also, what is the general rule for
converting Amps or Watts to HP?
Since I already own the tractor and there is something wrong with the
engine I want to pursue this. Besides, my push mower isn't going to work
well for snow :)
Here's my two cents on your conversion.
1. I think you'd be best served with a wound field or permag motor
which you could run as a single speed motor.
2. You may not be happy with the efficiency of the hydrostatic
4. Except for light use the 3 hp golf cart motor will probably be too
light.. So long as the batteries have excess capacity for the actual lawn
I mow, I'd
accept the losses in the hydrostatic transmission. The only problem is
finding a good used cheap hydrostatic transmission and E15 motor.
So good luck with however you do your conversion.