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Used car tires as poor man's flexible mounts?

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Posted by Ignoramus7135 on December 5, 2004, 6:08 am
I want to mount my generator on a platform of sorts, and unfortunately
I have only 2 flexible mounts out of 4. So I had an idea. What is I
make my platform like this:

Bottom: a piece of 3/4" plywood.
Middle: two used car tires bolted to the bottom
Top: two pieces of 3/4" plywood glued together, also bolted to the

The construction will be layered

=====   <--- top, 2 layers of plywood
() ()   <--- tires, laying flat
-----   <--- bottom, one layer of plywood
 o o    <--- rubber wheels for portability

The generator will be also bolted to the top payer of plywood, with
appropriate use of steel etc. I think that this construction has
chances of surviving vibration pretty well, and will be quite cheap.

Any thoughts?


Posted by m II on December 5, 2004, 7:20 am
Ignoramus7135 wrote:

I've seen a compressor mounted like that. He had small round holes cut
in the wood near the centre of the tires so he could reach in and
tighten up the four nuts holding the plywood down to each tire. Wide
washers spread the load. There was no bottom wood and no wheels. The
unit was stationary in the corner, with concrete inserts and bolts
holding the tires to the floor.


Posted by Ignoramus19295 on December 5, 2004, 12:33 pm
Thanks, that is encouraging. Did they have any problems mounting it?


Posted by m II on December 6, 2004, 4:24 am
 Ignoramus19295 wrote:

He said getting the nuts started inside the tires was a bit of a pain,
but not really a big deal. He then held the nut with a wrench while
using a ratchet on the bolt head. Those nylon throated self locking
nuts may be in order here.

Check to see if any of the protruding bolt heads will interfere with
the base of the unit. It may be smart to trace the outline of the
base/frame of the generator onto the plywood before drilling the
holes. It saves cursing..


Posted by Ignoramus18778 on December 6, 2004, 11:49 am
Absolutely, that's the way I intend to do.

I plan to keep the generator 1/2" or so above the plywood anyway, for
certain not very interesting reasons. (It was meant to be mounted this
way due to its shape).


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