Mir­ror cool­ing

Sky at Night Magazine - - FIRST LIGHT -

The mir­ror box is an open de­sign with plenty of space around it to help it cool down to air tem­per­a­ture. To speed things up, two 12V fans sit in the side of the mir­ror box, one wired to suck and the other to blow. A bat­tery pack tak­ing D cells is pro­vided to power the fans.

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