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rparigor(at)suffolk.lib.n
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 Posted: Tue Feb 17, 2009 8:23 am Post subject: Anyone have info how they mounted wing tip strobe pow |
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Hi groupThx. for the replies about strobe power supply positioning.Jim:"> Mine is on the bottom of the port access panel in the baggage bay. I ran > irrigation tubing through the wings containing #18 wire for both the > strobes and position lights. A I did not want to mount something that > weighed as much as the strobe controller in the wing."That's exactly what I did, beautiful installation of my Kuntzleman power supply on the starboard baggage bay rib. When I tested, if there is an antenna cable (RG-400 or RG-142), radio or antenna within 8 feet of power supply, tick, tick, tick. Nothing I tried helps. Power supply is grounded. Supply lines are shielded, I tried no ground, ground on supply side and ground on power supply side. I tried wrapping power supply in 2 layers of aluminium foil figuring RFI leaking out of connectors, no joy grounded or un grounded. I tried wrapping antenna cable with aluminium foil, grounded and un grounded. i tried grounding antenna cable. Nothing works, have to turn squelch up where don't get what it is I want. The only thing that helps is moving power supply at least 8 feet away. I hear from a local IA that Whelen is the only powers supply he uses because he had noise issues with others.Kunzleman power supply is pretty small, 10 oz and each one uses ~ 1.5 amps. I have their combo LED/strobe heads already mounted.When you test yours, let us know if you have good results.My experience is pretty much identical to this builder:http://home.hiwaay.net/~langford/antennas.htmlRon Parigoris [quote][b]
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rparigor(at)suffolk.lib.n
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| Posted: Tue Feb 17, 2009 5:13 pm Post subject: Anyone have info how they mounted wing tip strobe pow |
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Hi Jan
"> I put a single strobe power supply on the outboard end of each spar with > an access hole below. > The strobes will be uncoordinated, but I keep the high voltage wires > short."Thx. for the reply.Did you run the strobes yet to see if they radiated RFI into the antenna? 108mhz seems bout worst for me.This is pretty much what I saw with my Kuntzleman dual strobe mounted on the starboard baggage bay rib:http://home.hiwaay.net/~langford/antennas.htmlRon P. [quote][b]
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