For anyone that may be interested. construction was straight forward,
1) fabricate the the frame assy on a wooden jig to ensure hole line up.
2)Burn nose finger severely in proccess.
3)discover that rails were not long enough.
4)return to jig and make longer rails.
5)make slider block out of small bit of box section
6)make slider block inserts out of MDF, lined with wetsuit rubber, "old wetsuit"
7)melt a whole lot of old sinkers in my one of my wifes best pots, on the BBQ. "she doesnt know yet Ive hidden it"
.
8)pour lead into coffee can, with threaded bar allready located, tip ."remove coffee first.
9) quench to free up coffee can and cut off coffee can.
10) paint it. bolt it on.
It works very well, I supprised myself.."finger getting better,"
