What a bunch of fools.
Maximum weight 100, Maximum RPM 150.
At no time did I mention spinning 100 pounds at 150 RPM.
Or that any of that weight would be anywhere near the edge of the table.
Or that the weight was a single solid object.
Even if I did spin a hundred pounds at 250 RPM the worst that would happen is
there would be a big mess.
I'm out of this thread. I had enough laughs for this week.
And at no time did we ask you to comment or suggest we were talking
about your machine. So buzz off.
Laughs it was -- but no sense. :-)
Well that was the point wasn't it? That people who gave advice would
look like fools if they could not figure out the conditions under which
the parts would run -- and hence had to assume worst case. Unless you
stated all the specs together.
You said you did not know how to explain yourself -- and clearly you
were correct on that much. As for the rest -- good luck with all your
..and that is why it is dangerous to give advice in this group unless
people can lay out clearly what they wanted to know, and what help was
needed and under what conditions.
By responding you helped me make my point.
Thanks for playing and good luck -- one fool to another.
On Mon, 11 Apr 2005 11:21:17 -0700, email@example.com wrote:
You mean like the ones you've been able to buy for Oh, maybe 30-40
years? I installed a bunch of those back in '78 or '79. The also used
electromagnetic hold-open latches on the fire doors that were tied to
the heat detectors. As soon as the temp rose all the fire doors would
Just for the books, sometimes a hook or latch is better than a magnet,
they can hold against a direct pull and require a more specific action
to disengage them. Sometimes that is an advantage. Door stops also
have advantages - can a magnet hold the door open half way? Oh, don't
forget cost as well. Engineering involves a lot more than just
determining if something works.
"We need to make a sacrifice to the gods, find me a young virgin... oh, and
bring something to kill"
Actually no. I had a company partner who footed the bill.
They have probably made 10 times what I have. It's hard to say.
I might have made more money without them but I doubt it.
They also market the stuff, in a very small but worldwide market.
I didn't do it for the money.
I never expected to even make any money.
I was trying to improve the lives of field workers, and in a small way I did.
You can buy hub units that have the lug bolts on one side and a four
bolt flange on the other allowing you to mount both sides - one to a
base and the other to the turning table. Would this work for you?
On Mon, 11 Apr 2005 14:06:14 GMT, firstname.lastname@example.org (Tom) wrote:
It certainly would.
The four bolt flange on the other side has always eluded me in my search.
I've spent hours on the net and at least an hour on the phone trying to find
just that sort of thing.
The problem is a communication problem. I don't know the terminology of what I'm
asking for, or it's application.
Can you point me at one of these hub units on the net so I know what to ask for?
I along with several other folks have asked you for more information is
various ways. Your apparent refusal to discuss your project in terms of
objectives and to provide any meaningful detail suggests that you may be
working on a project you want to patent. There may be another reason, but
it escapes me.
I wish you luck in your search for a solution to your 'problem!'
If you are working on a patentable activity, you might consider enrolling in
an Effective Communication 101 course at a local school to assist you with
Here is how I would do it.
I would drill 3" holes in all but the last (top) piece of MDF. Insert two
or three common single row sealed ball bearings. Mount the shaft on a 12"
square steel plate. Weld it or if no access to a welder, press and swedge
fit. Add a spacer over the shaft to stop the disc from hitting the base
and allow the shaft to reach all ball bearings without touching the top
piece of MDF.
Mount/secure vertically and balance. Re-mount on bench and spin away.
Note: Bearing holes and shaft size are dependant on the size bearing you
buy. Typ. Bearing this general size is $8. Graingers.
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