Hmmm.... That concept had crossed my mind, but I couldn't think how linear it was. If you imagine I had a very big diameter mandrel, then the...
how big should this problem be? Well after two attempts my 3/4" thick plywood disk ended up at 21" dia. When I wrap 8mm black round it, when...
Spring back it is. Yep, I certainly have springback. My original 48" ring was tight up against the 30" mandrel, so I had 18" of spingback in the...
Hmmm.... You are right, I have a welder, pillar drill, and small bandsaw. You can see my plywood disc mandrel looks attractive to me. I was...
More equipment? That roller looks far better and far better than anything I can find on ebay here, and yes I'd love to get one, however I always...
I am trying to make a 34"dia ring out of hot rolled 8mm dia bar. My method is to make plywood disc (3/4" thick), and then wind the 8mm bar around...
I can only guess that it is a special, and that it has a tensile strength of 90 tons/sq inch ??
Sorry, not really getting a clear picture from what you have said.
Hi HMCK57, Yes, the idea I was trying to picture was that the tension in the bottom (horizontal) member of the pin jointed triangle ref your free...
Apologies HMCK, I had failed to scroll down on your sketch, so only glimpsed your R1+R2 equation. Still avoiding the equation, would your sketch...
Without checking the calculations, some discrepancies are clear:- First, Guy's suggestion DOES take into account the weight of the scissor arms....
Agricultural tractors use this clip a lot, look ar4ound the back on the tthree point linkage. They are called "R" clips, and will be readily...
Just to be sure that it was not in fact 179.5 degrees, I pulled up the specs of the Caterpillar 430d, one of many run of the mill 7Ton class...
Only got a minute to answer this: I don't know how much experience you've had with machinery, but if you look at the hydraulic cylinder and...
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