On Fri, 1 Nov 2002, Jake Anderson wrote:
> why fly the heater at all?
> if the tank is at the right temperature or thereabouts it shouldnt change
> that quickly put a sensor in your tank and the heaters in a jacket on the
> outside when its hot enough drop the jacket and hit the button
Now you need a heater jacket that will make good thermal contact but also
come off cleanly and reliably on command. Building the heaters in is
almost certainly simpler; if they do not weigh an excessive amount, it's
probably preferable.
Henry Spencer
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