[Jewelry making - Article 00804] - Re: [Orchid] New Fly Press

[John Donivan]

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    Ali, I'll leave the die part to those who know better. As for the
    rigging part - 3cwt is 300 pounds or about 135 kilos. Do you want
    the safe way or the cheap way? In theory 3-4 men can lift it, except
    that 3-4 aren't going to be able to fit around it to get a hold. In
    theory you could put it into a "boot" (so British ;}, but again you
    have to lift it into and out of the car, and 3-4 men can't reach
    inside it and lift. Never forget that 135 kilos is very different
    than 135 kilos in motion. If you drop it 6 inches into the boot, it's
    more like 200 kilos of force. And depending on the car it COULD trash
    the rear suspension. And all the same stuff applies to going up
    stairs, except that the weight will all be on the bottom side of the
    stairs. (2 men above will have 25% of weight, 2 men below will have
    75%, because of handholds and leverage) Now, 135 kilos isn't THAT
    heavy, but it's enough to need to handle carefully lest someone gets
    a broken foot or hand. And the same applies to your floor. If you
    have a normal house you could certainly set it on the floor without
    just blowing through it. But little by little it's going to sag from
    the weight, plus, again, force. You're not going to have it just
    sitting there, you're going to apply force when working. Maybe it
    would work, but it's a bad idea for the house. It's more weight/sq.cm
    than the floor is designed for, for sure. I had the same issue with
    my milling machine, which is around 350 kilos. I had to lift it 1
    meter high and 1.5 meters across to get it on a bench top. I rented a
    lift for $50, and it took 15 minutes to do with no broken
    bones..Again, 135 kilos isn't that heavy, but if something happens
    and it goes, there's no stopping it. 

http://www.donivanandmaggiora.com
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