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Subject: RE: V-weights
Date: Wed, 10 Dec 97 11:35:24 -0500
From: Jim Cobb <cobber@ci*.co*>
To: "Paul Harris" <pharris@cr*.pl*.uk*>,
     "'Techdiver' "
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
> 
>


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