I haven’t built a large papercrete mixer but I have been building and modifying equipment for years.
One problem you may have is that your shafts, etc. may not hold up to larger horsepower if you originally designed for 1.5 HP. If your tractor has hydraulics you may be able to come up with a hydraulic motor to drive your mixer. Hydraulics can greatly simplify your system by eliminating the need for gear reductions, and tractor positioning difficulties.
Janosh
From:
Sent: Friday, September 12, 2008 7:18 AM
To:
Subject: [papercreters] Re: Mixer running off a PTO??
Thanks, everyone. Yes, that would produce papercrete in volume in a
pit but not sure that would meet our particular needs. We only have 30
hours or less on weekends to work on all this. A pit full of
papercrete would be a bit much to dispense plus what do you do with a
concrete pit after you're done? Except maybe use it to bury whichever
spouse is the first to "bite the dust" at the hand of the other in all
the frayed nerves and arguments that erupt in the stress of a house
building project?
Jono..., your suggestion may be applicable to our needs, thanks.
Here's where we're at...
We have built the body of the mixer already. It is a small galvanized
100 gallon oblong livestock watering tank with two sets of lawn mower
blades already soddered in place on two shafts, one centered on each
end of the tank. Hubby then had a pully system on top to attach to an
electric motor. Well, the first one we bought, 1.5 HP, was not
powerful enough. It turned fine w/a tank of water, but when we only
added the paper, not even the other ingredients, it couldn't move.
So we tried to buy the 6.5 HP reversable electric motor from Tractor
Supply for around $200. They have been out for months. It's an item
you can't order from them. Either their warehouse ships it w/their
mass merchandise or you're outa luck. We suspect for some reason, they
do not plan to restock it, darn!
Other motors of that size from other sources appear to be around $600
up. So that's when we thought we would somehow utilize the PTO's on
either of our two tractors we have.
Any more ideas would be greatly appreciated. Keep them coming. Thanks.
Connie
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