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HID landing lights

 
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cnpeters



Joined: 24 Aug 2006
Posts: 23
Location: Bloomington/Normal, IL
PostPosted: Sat Apr 28, 2007 7:47 pm    Post subject: HID landing lights Reply with quote
I'm looking at rolling my own Xenon HID landing/taxi lights for an RV-9A, and have a question regarding noise and one on the type of reflector (or projector). Most of the commercial aircraft applications use the D1 type HID system, with the igniter built into the bulb base, separate from the voltage regulating ballast. D2 systems, which are easier to find (auto OEM), have the 25,000 volt generating igniter in the ballast, and thus a special shielded cable to the bulb. Has anyone tried the D2 type bulb/system and checked for noise, assuming no antennae in the wingtips?
To anyone that rolled their own HID lights, what reflector/lens did you use? I am interested in a wide angle for taxiing (at least 35 degrees) and a narrow for landing (eg 12 degrees). I know a lens can change the dispersion given the same reflector. Thoughts?

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Carl Peters
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