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First attempt at elbow cop
Posted: Wed Nov 06, 2013 8:58 pm
by Steve S.
http://imgur.com/a/tazg7
Needs to be much deeper. I'm going to go cut a stump tomorrow.
Steve
Re: First attempt at elbow cop
Posted: Thu Nov 07, 2013 8:28 am
by Sean Powell
It could stand to be deeper but I wouldn't try to make this one deeper now that you have a crease in it. For the steel to stretch properly it wants to be in contact with your dish almost all of the 360 degrees around the hammer strike. If you dish now you will unfold the crease and I bet the combination of chisel work and bending there has weakend the steel and given you a stress concentration. You may induce cracking or similar.
The crease doesn't need to be boat-prow sharp or gothic arch sharp, only enough that it breaks the reflected lines. Think of a pair of pressed suit slacks when you sit down, the crease is always visible even when the fabric is tight, it's not standing off your leg. And not a reflex curve either like an onion-top. A ruler should roll around the outside until it gets to a tipping point at the crease then fall over and roll down the other side. The ruller should never click with 2 contact points and an air-gap between.
Sean
Re: First attempt at elbow cop
Posted: Thu Nov 07, 2013 9:34 am
by wcallen
I haven't looked at as many effigies and brasses as I should have, but it appears to me that when they were using "floating" elbows and knees in the mid 14th c. the elbows and knees don't appear to look the same. The elbows are much deeper, and I don't see signs of a central crease in them. We seem to have gotten it in our heads that elbows and knees match. I don't think that they had any such idea.
Assuming it is big enough, it looks like a fine knee.
Wade
Re: First attempt at elbow cop
Posted: Thu Nov 07, 2013 9:55 am
by Tom B.
wcallen wrote:I haven't looked at as many effigies and brasses as I should have, but it appears to me that when they were using "floating" elbows and knees in the mid 14th c. the elbows and knees don't appear to look the same. The elbows are much deeper, and I don't see signs of a central crease in them. We seem to have gotten it in our heads that elbows and knees match. I don't think that they had any such idea.
Assuming it is big enough, it looks like a fine knee.
Wade
That is almost exactly what I just told him on Facebook
Re: First attempt at elbow cop
Posted: Thu Nov 07, 2013 9:59 am
by Steve S.
It could stand to be deeper but I wouldn't try to make this one deeper now that you have a crease in it.
Oh, clearly once I committed to the crease it was done with any further dishing.
I haven't looked at as many effigies and brasses as I should have, but it appears to me that when they were using "floating" elbows and knees in the mid 14th c. the elbows and knees don't appear to look the same. The elbows are much deeper, and I don't see signs of a central crease in them. We seem to have gotten it in our heads that elbows and knees match. I don't think that they had any such idea.
Assuming it is big enough, it looks like a fine knee.
Yeah, someone on facebook mentioned this also. I might turn it into a knee for my son.
Steve