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RE: (ET) other thing not designed for elec traks....



There is at least one brand of 6 wheel grounds maint. vehicle that uses a
single screw actuator to lift a dump body rated at, I believe, 1000 pounds
load.  I assume this was a 12 volt application, not a 36.  I have a loader
on my e-15 which uses a fairly heavy 36 volt motor to run the pump, and
while it is fast and powerful, it is a pain to use.  Since it is creating
enough pressure to actuate a bypass valve, the motor is working all the
time, gets hot, and uses a lot of power.  To prolong battery life, it is
necessary to use the PTO toggle switch to shut off the unit when not in 
use.
This makes move several buckets of material a ballet of switches and 
levers.
All electric might not be as fast, but it sure makes sense from a user
standpoint.

On the positive side, the loader I have was made specifically for the
Electrak, and has front "blades" that slide into the frame rails.  In
addition, it has quick disconnect pins and sockets attached to a subframe
that is bolted across the bottom of the footpads, so installing or removing
is as easy as pulling two pins and the power cord and wiggling free of the
unit.  A detailed diagram of it is available on my web site, and I'd be
happy to mail you a decent photocopy if desired.

See:  http://www.plitch.com/Electrak_1.htm  for loader graphics.


-----Original Message-----
From: owner-elec-trak cosmos phy tufts edu
[mailto:owner-elec-trak cosmos phy tufts edu]On Behalf Of Tim Chapin
Sent: Wednesday, March 21, 2001 3:10 PM
To: elec-trak cosmos phy tufts edu
Subject: (ET) other thing not designed for elec traks....


I have been kicking around the idea of building a loader for my e-15 (when
and if I ever get it back in one piece).  I would think the cadplan loader
could be made to fit. see http://www.cadplans.com/loaders/507.htm or
http://www.cadplans.com/loaders/907.htm

Instead of having to go thru all the Hydraulic hassels, why not use the 36
volt actuators used to move a satellite dish.  They come is 18,24,36 in.
strokes and the small ones are rated at 600 lbs. of lift (the long ones
1200-1500 lbs).  Here is an example on ebay.
http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1222792965
The 18 inch ones sell around $45 each on ebay with the longer ones for more
money.

I know little about electronics so maybe this is way off in left field, and
I don't know how fast or slow these actuators move.  But if they would 
work,
it would have to be less draw on the batteries than a hydraulic pump that
needs to be turning all the time.

These thing can be found in even shorter lengths.  Here is one on ebay that
has a 9 in throw (maybe used for a electric lift for those tillers
outthere..)
http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=571523416&r=0&t=0&sho
wTutorial=0&ed=985620080&indexURL=0&rd=1

These are just the wild ideas from a person that thinks to much and has
little to no experience in what he is thinking about..