Dammit I already replied to this and my post got deleted? Sigh, lol. I would really like to build the $80 PCR, but I would also like a decent heatsink for it too. I think a heatsink would be useful, as it would help get things to temperature efficiently, and I don't have to be there to baby sit the reaction. I don't want to play games. I want (preferably) a viable PCR option. $80 sounds good. This sounds like democracy in action to me. Although of course the practical limitation is that the vast majority of people are unlikely to have CNC machines lying around to carve out the kind of heatsink this design requires.
I don't suppose anyone here would be willing to do this for me and I would pay them for the cost of their materials and time etc?
On Monday, 2 June 2014 23:06:51 UTC+1, John Griessen wrote:
-- I don't suppose anyone here would be willing to do this for me and I would pay them for the cost of their materials and time etc?
On Monday, 2 June 2014 23:06:51 UTC+1, John Griessen wrote:
On 06/02/2014 04:38 PM, Jebus Jones wrote:
> But (as I recall) it was milling out that heatsink from a solid block of aluminium (or aluminum since you're American) that proved
> the stumbling block. I just don't have the equipment lying around to do this.
Heat flow can be equilibrated quickly bystirring vigorously. Big hunks of metal are not needed.
vigorous stirring of fluid, (which can be air), around your test vials is just as good
as fancy machined metal for transferring heat. Controlling heat is easy for microcontrollers,
just throwing switches, (and needing only cascades of heavier and heavier switches to get up
to high powers of some heaters).
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