8472 Posted December 16, 2012 Share Posted December 16, 2012 While the weather has been a little poor, and since I have an old car battery sitting idle in my garage, I'd thought it go about making a simple power tank to power my 12v hairdryer. (mainly for combating eyepiece dew). I do realize a car battery is not the best choice for this type of project, but the unit should still work with a proper leisure battery if/when my old battery finally packs up. It's not really a build thread either, as the tank is 90% or so complete (save a hardboard base and securing clamps I've yet to fit inside). Donor case was a cheap toolbox from a DIY store... The innards consist of 2 12v ciggy lighter sockets wired with 15 and 5 amp fuses on each line... And a DVM with a push-to-make switch... Total cost was under £30 and with my now heated Telrad, hopefully no more dew problems stopping play! Link to comment Share on other sites More sharing options...
Brantuk Posted December 16, 2012 Share Posted December 16, 2012 Absolutely fabulous - and very neat and tidy - good job Kev Link to comment Share on other sites More sharing options...
Doc Posted December 16, 2012 Share Posted December 16, 2012 Well done every astronomer needs one of these. Link to comment Share on other sites More sharing options...
+DaveJW Posted December 17, 2012 Share Posted December 17, 2012 That's neat Kev! Link to comment Share on other sites More sharing options...
catman161 Posted December 17, 2012 Share Posted December 17, 2012 Awesome Link to comment Share on other sites More sharing options...
8472 Posted December 17, 2012 Author Share Posted December 17, 2012 Yeah, cheers - I thought I'd need one sooner or later. I was also sick of tripping over the car battery in the garage - so now I got a bigger toolbox to trip over! Link to comment Share on other sites More sharing options...
Guest dardano Posted February 27, 2013 Share Posted February 27, 2013 Wow ! Thanks. Another DIY project on my list ! Link to comment Share on other sites More sharing options...
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