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Subject: Telescope Heater(Dew Zapper)

Date: 10/20/99
Posted by: Rich Brenz
E-mail: eyeclinic(at)michweb(dot)net(no spam)
URL: http://


I'm trying to make a homemade heater for the optical surfaces of my telescope. I envision using a 40 Ohm nichrome loop for the optical plate(end plate) with a variable 16 volt train transformer to give me 6W maximum power. Will this work? Can I put 2 add'l 100 Ohm loops in parallel to also heat my finderscope and eyepiece? It's been too many years since my high school electronics course.

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