Re: [ATM] dew heater ..Resistive Paint

[Ken Lowther <hermit@outofoptions.org>]

Nichrome is a very common heating element wire.

Ken

Quoting James Lerch <jlerch1@tampabay.rr.com>:

> OK, now you guys got me thinking bad thoughts.... :)
>
> If I were to super glue some contact wires to the back of an optic, then
> evaporate a hefty amount of Copper onto the backside of the mirror, would it
> work as a dew heater?
>
> The copper layer would end up pretty thin, which might be an advantage as it
> would increase the resistance some what.
>
> I wonder if I can evaporate stainless steel..  Seems to have a pretty high
> receptivity value, and then there is Platinum, with even higher 
> resistivity...
>
> Could be an interesting experiment....
>
> Take Care,
> James Lerch
> http://lerch.no-ip.com/atm (My telescope construction,testing, and 
> coating site)
>
> "Anything that can happen, will happen" -Stephen Pollock from:
> "Particle Physics for Non-Physicists: A Tour of the Microcosmos"
>
> " Press on: nothing in the world can take the place of perseverance.
> Talent will not; nothing is more common than unsuccessful men with talent.
> Genius will not; unrewarded genius is almost a proverb.
> Education will not; the world is full of educated derelicts.
> Persistence and determination alone are omnipotent. "
>                                                            Calvin Coolidge
>
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Hermit, holed up in Youngstown, Ohio
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