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Thread: Gear LED's
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04-06-2011, 01:38 PM #1
Gear LED's
Hi
I just wired into the CP Flight MIPBOARD LED's for the 737 gear ... they work fine but are very dim .... I added a seperate power supply to the board but there was no improvement .... has anyone experienced a similar problem?
Clive
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04-07-2011, 10:09 AM #2
- Join Date
- Feb 2008
- Location
- Jönköping, Sweden
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- 50
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04-07-2011, 04:48 PM #3
Re: Gear LED's
Thanks the LED's I used were of unknown orgin so I will take yur advice.
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04-07-2011, 06:09 PM #4
- Join Date
- Jul 2013
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- 917
Re: Gear LED's
Clive
After many failures and boxes of unacceptable leds, my advice is to use 5mm flat top leds. The normal high intensity ones are brighter but have a limited field of view, often around 20deg, resulting in a cone of bright light in the middle of the annunciator. Flat top ones have around 90-120 deg and give a better spread, provided that they are also high intensity.
David
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04-08-2011, 03:38 AM #5
- Join Date
- Feb 2008
- Location
- Jönköping, Sweden
- Posts
- 50
Re: Gear LED's
Clive,
David's advice is very good. I had already wired a lot of my LED's, when i burnt out some of them, so had to buy more. I chose to buy the same as i already had, but otherwise i would have bought the flat top ones. Look for something with an MCD in the thousands, rather than an MCD in the hundreds.
I would lay money on the LED's you already have being 400 MCD or something similar. I think my green LED's that i bought are 6,000-7,000 MCD.
Regards
Ben
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04-09-2011, 02:38 AM #6
Re: Gear LED's
Thanks for that advice I will let you guys know how I get on!
Clive
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