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Fred Klein
Joined: 26 Mar 2012
Posts: 503
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 Posted: Tue Dec 17, 2013 8:27 am Post subject: Landing light LEDs |
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Ron,
You wrote:
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I was at the Javitz center this past Sunday (bike show) and saw some pretty slick LEDs from Denali. |
By any chance, do you know the specs and source for an LED version of the 12v DC, MR16 halogen bulb, suitable for a landing light?
I have a pair of wingtip combination position / landing lights from CreativeAir...a company which is no longer around. The units combine LED position lights w/ 75w halogen bulbs. I'm keen on replacing the halogen bulbs w/ LEDs, and see that bulb manufacturers are now offering LED bulbs to be retrofitted into the MR16 halogen fixtures. See:
http://ledsmagazine.com/features/9/6/8
The article, as informative as it may be, dwells on the special issues of dimming and transformers, as many MR16s are used in display lighting from 120v AC source.
Can you help me out?
thanks,
Fred
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rparigoris
Joined: 24 Nov 2009
Posts: 805
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| Posted: Wed Dec 18, 2013 5:47 pm Post subject: Landing light LEDs |
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Hi Fred
Prior to purchasing the LEDs I put up on the Europa org site, I borrowed a pretty big box from a hangar neighbor who runs a auto parts store, and also sells aviation lights. He had quite the assortment of Halogen auto lights and an assortment of Aviation lights.
Hands down winner was the large (I think perhaps between 5+ 6") lights as used on a Beechcraft. Probably 100 or perhaps even 150 watts, the reflector was secret of success.
The standard light as used by Cessna and Piper, slightly smaller in diameter was the next best. They come in wide taxi or landing. I forget if they are 100 or 50 watts.
A really good compromise was the same dimension as the Cessna and piper, but half the watts. Again i forget, but either 25 or 50 watts. Yes slight less light, but a lot less heat. Unfortunate don't have the real estate on the Europa to use them.
Sorry for blabbing on and on, but it's not just the watt output, but the size of the reflector and the relationship of the bulb to reflector. I don't have any experience with a LED replacement for MR16. If you can tolerate the heat, I think I would tend to just use what was supplied and don't leave them on all the time (cycle when on ground). You could try 50 perhaps 35 watt replacement bulbs? If only slight bit less light, may be a good alternative.
Hmm, I wonder how much light you would get if you put two 75 watt bulbs in series? Do you have two of them? Set up a relay to switch between parallel and series for dual intensity?
If someone makes a good LED replacement, please let me know the details. My guess is they (LED) can look bright from looking at the light, but may not work as well as even a 35 watt halogen.
You didn't mention if they are for recognition, taxi or landing.
Ron P..
> > Ron, > > You wrote: >> I was at the Javitz center this past Sunday (bike show) and saw some >> pretty slick LEDs from Denali. >> > > By any chance, do you know the specs and source for an LED version of the > 12v DC, MR16 halogen bulb, suitable for a landing light? > > I have a pair of wingtip combination position / landing lights from > CreativeAir...a company which is no longer around. The units combine LED > position lights w/ 75w halogen bulbs. I'm keen on replacing the halogen > bulbs w/ LEDs, and see that bulb manufacturers are now offering LED bulbs > to be retrofitted into the MR16 halogen fixtures. See: > > http://ledsmagazine.com/features/9/6/8 > > The article, as informative as it may be, dwells on the special issues of > dimming and transformers, as many MR16s are used in display lighting from > 120v AC source. > > Can you help me out? > > thanks, > > Fred [quote][b]
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Fred Klein
Joined: 26 Mar 2012
Posts: 503
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| Posted: Wed Dec 18, 2013 6:28 pm Post subject: Landing light LEDs |
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On Dec 18, 2013, at 5:46 PM, rparigor(at)suffolk.lib.ny.us (rparigor(at)suffolk.lib.ny.us) wrote:
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If someone makes a good LED replacement, please let me know the details. My guess is they (LED) can look bright from looking at the light, but may not work as well as even a 35 watt halogen.
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Ron...for an LED replacement of an MR16 halogen, this is the best I can find...Fred
http://www.soraa.com/public/docs/Spec-Sheets-GU5.3-US/SS-Premium-2-12W-3000K.pdf
[quote][b]
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uuccio(at)gmail.com
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| Posted: Wed Dec 18, 2013 11:19 pm Post subject: Landing light LEDs |
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Fred/Ron,
Ron...for an LED replacement of an MR16 halogen, this is the best I can find...Fred
http://www.soraa.com/public/docs/Spec-Sheets-GU5.3-US/SS-Premium-2-12W-3000K.pdf
I have six of these installed at home (electricity costs a bomb in Italy). The light quality and intensity seems to me just as good as the halogen they replaced. [quote] Sacha[b]
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