Thanks, Paul. Another technique which was offered is to simply make a V shaped form out of some plywood, seal the cracks with some electrical tape. The lead cools faster than it takes the wood to catch on fire. Won't be as form-fitted as your technique but is simpler. Jim On 12/10/97 10:56 AM Paul Harris wrote: >Jim, >It's rare that I can actually contribute to this list, like others I gain >more than I give but we've recently done this. > >>Does anyone know who sells these things before I hurt myself or burn the >>house down?? > >The method we used was: > >1) cover the twinset with clingfilm, lifting it at the band bolts so that >you make a plaster of paris blank in the shape that you want the v-weight. >2) Put damp sand into some sort of container - we used a planting tray >3) Push the plaster of paris blank into the sand. >4) Melt the lead, we used a gas ring and a iron crucible. >5) Pour the lead into the hole in the sand - here you need a bit of skill >and judgment - too slow and it will set, too quickly and you will make a >hole in the sand. >6) Let it set. >7) File to smooth any sharp edges. > >We were quite lucky in that the weights ( 4-5.5 kilos/approx 8 -10 >pounds)we made were the right weight and fitted between the bolts. I guess >that if you needed more weight, you could extend the length of the hole in >the sand with the blank to give you a weight longer than 11 inches and >then drill it to thread the bolt through. > >I have heard of people making a mould from the plaster of paris blank, be >we decided that as we we only making two that this was not necessary. > >hth >Paul > > ------------------------------------------------------------------- Learn About Trimix at http://www.cisatlantic.com/trimix/trimix.html -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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