post those pics Wanye, the more the better. 
I wasnt concerned with the strength of the SE arms or why they are built that way. 
You may recall my posts where I remarked about what a mate of mine and I found when we purposly bent and cut up stock arms to see what strength they were and material type. From memory approx 1.5 times stronger than good mild steel. We made some longer arms (+500mm) and they weighed about 15~16kg. I can not run these arms as the engineer says I need a peice of paper to weld 
happy holidays
 
			
		
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