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And on the West Coast, massively powerful searchlights were scanning for Japanese planes[1]. The pre-radar location and tracking methods are fascinating to me.
by jonah 10y ago
And on the West Coast, massively powerful searchlights were scanning for Japanese planes[1].
The pre-radar location and tracking methods are fascinating to me.
This guy[1] restored one and uses it as an advertising searchlight. I got to talk to him at length a few years ago - fascinating. It has a 800 million candle power beam.
[0] http://www.skylighters.org/howalightworks/ http://www.skylighters.org/howalightworks/
[1] http://www.victorysearchlights.com/ http://www.victorysearchlights.com/
- Qworg 10y agoThose two sites were one reason I built my own carbon arc spotlight. =)
- jonah 10y agoNeat! Did you write up your project?
- Qworg 10y agoWe were written up as project 10 (HackSignal) in this book: Hack This: 24 Incredible Hackerspace Projects from the DIY Movement by John Baichtal http://www.amazon.com/dp/B00602MH08/ref=cm_sw_r_cp_udp_api_4nM.xbW4Y3XHA http://www.amazon.com/dp/B00602MH08/ref=cm_sw_r_cp_udp_api_4... We never finished our write up. :/ Half done here: http://www.hackpittsburgh.org/wiki/index.php?title=HackSignal http://www.hackpittsburgh.org/wiki/index.php?title=HackSigna...