How are cooling your p.d. Condenser?

[photoman290]

when i made my quad PD i just used a pair of mole grips with a short bit of 22mm copper on each of the jaws. worked fine. i had a bit of 22mm i could slide over the crimps so if they were to big i could correct them there and then. if you get it just right you should be able to get them to close just at the right point. for a pump i use a clarkes submersible pump. about £35. CH pump is about the same if have to buy one. the nice thing about a submersible pump is you can use plastic hoses straight to the PD.  and of course you could always use it to put fires out if it all goes tits up.

[Head Womble]

Didnt think a ch pump would be powerful enough.

Well that makes it cheaper.

Also when crimping the pipe how much gap do you leave?
I read on one site 1/16th of an inch which I work ou to be 1.6mm is that right, with a spacing of 1" between crimps?

Will you be at Chugs BBB on the Saturday?  If so I can bring the press pictured on the wiki ... you'll need to provide the 15mm copper obviously.

If i make it this year, id very much like a go on your forming jig - for a long time now ive been meaning to make a multicore unit (where the postions of the crimps are more important, due to the need to tessilate) but not gotten arround to it, for the time it would take to make up a jig etc!

I did mine using molegrips and a tape measure, the four pipes nestled together very nicely.