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BobbyPaulk(at)comcast.net
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 Posted: Wed Dec 18, 2013 5:16 pm Post subject: Landing Lights |
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Guys
Check out these bulbs before making a huge investment. I don't know if they will work on the Wig Wag circuit but several guys are using them as landing lights. Takes a little ( easy ) modification but they can be fitted into the old GE landing light incandescent socket. They have more lumens and sold for $49.95 six months ago. They are now $29.95 a copy.
Hope somebody can use this info.
Bobby
http://www.ebay.com/itm/2pcs-9-LED-Black-Car-Boat-Work-Light-Fog-Driving-Lamp-Bulb-Round-27W-DC-12V-24V-/171183850523
[quote][b]
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uuccio(at)gmail.com
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| Posted: Wed Dec 18, 2013 11:14 pm Post subject: Landing Lights |
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I have been traipsing around with one of these mounted on the front of my pickup truck for the past few months; they are probably not legal on the road and only suitable for off-road driving as the beam is 30 degrees and illuminates everything around. They’re great on unlit roads at night though J. Right next to this on the truck I have a 6” or 7” 100W halogen and that has a much more focused beam which lights up objects 2 or 3 times more intensely than the LED but only within an angle of approx. 5 degrees. So the two together work quite well in combination (the looks on the front of the truck are terrible, but that’s another story J).
On an a/c the LEDs would be fine as a taxi light and I guess ok as a landing light as far as peripheral vision is concerned (I only have 5 hours night VFR so not really enough experience to judge) but the beam seems to lack a bit of depth (though that’s partially but not entirely made up by their huge light output… see Ron’s good point in the other thread… the optics matter, not just the raw lumens).
On my Kitfox there is not enough space for the LEDs and not enough power for a 100W halogen, so the looks of my pickup truck are not going to improve anytime soon.
FWIW
sacha
From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of BobbyPaulk(at)comcast.net
Sent: Thursday, 19 December, 2013 02:16
To: aeroelectric-list(at)matronics.com
Subject: Landing Lights
Guys
Check out these bulbs before making a huge investment. I don't know if they will work on the Wig Wag circuit but several guys are using them as landing lights. Takes a little ( easy ) modification but they can be fitted into the old GE landing light incandescent socket. They have more lumens and sold for $49.95 six months ago. They are now $29.95 a copy.
Hope somebody can use this info.
Bobby
http://www.ebay.com/itm/2pcs-9-LED-Black-Car-Boat-Work-Light-Fog-Driving-Lamp-Bulb-Round-27W-DC-12V-24V-/171183850523
012345678901234567
[quote][b]
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nuckolls.bob(at)aeroelect
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| Posted: Thu Dec 19, 2013 9:16 am Post subject: Landing Lights |
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At 07:15 PM 12/18/2013, you wrote:
Guys
Check out these bulbs before making a huge investment. I don't know
if they will work on the Wig Wag circuit but several guys are using
them as landing lights. Takes a little ( easy ) modification but they
can be fitted into the old GE landing light incandescent socket. They
have more lumens and sold for $49.95 six months ago. They are now
$29.95 a copy.
Hope somebody can use this info.
Bobby
http://www.ebay.com/itm/2pcs-9-LED-Black-Car-Boat-Work-Light-Fog-Driving-Lamp-Bulb-Round-27W-DC-12V-24V-/171183850523
A List reader purchased some similar products about a year
ago and experienced some interference on VHF comm.
These products invariably feature some form of DC/DC
constant current converter operating in the very high
kilohertz range with attendant risks for harmonic
radiation.
I crafted a little filter board for the gentleman
and noted a marked reduction in radiated noise here
on my bench. Returned them for his evaluation but
have not heard back.
I have a quantity of these filter boards. They're
about 1/2 x 1/2 inch and mount a compliment of
filter caps and ferrite noise attenuators.
If anyone discovers a need for some noise suppression
on commercial off the shelf led appliances, these
are available.
Bob . . .
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jonlaury
Joined: 06 Nov 2006
Posts: 336
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| Posted: Fri Dec 20, 2013 8:43 am Post subject: Re: Landing Lights |
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| nuckolls.bob(at)aeroelect wrote: | At 07:15 PM 12/18/2013, you wrote:
I have a quantity of these filter boards. They're
about 1/2 x 1/2 inch and mount a compliment of
filter caps and ferrite noise attenuators.
If anyone discovers a need for some noise suppression
on commercial off the shelf led appliances, these
are available.
Bob . . . |
Bob,
I have an LED cabin light that has capacitance control (ON/OFF, dim) that picks up stray interference causing it to go into a flashing mode uncontrollable by the ON/OFF function. The only way that I can stop it is by pulling the fuse.
Would your 1/2 x 1/2 filter boards be appropriate for solving this annoyance?
Thanks
John
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nuckolls.bob(at)aeroelect
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| Posted: Sat Dec 21, 2013 8:42 am Post subject: Landing Lights |
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| Quote: | Bob,
I have an LED cabin light that has capacitance control (ON/OFF, dim)
that picks up stray interference causing it to go into a flashing
mode uncontrollable by the ON/OFF function. The only way that I can
stop it is by pulling the fuse.
Would your 1/2 x 1/2 filter boards be appropriate for solving this annoyance?
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I have not the foggiest notion. Capacitance based
touch switches are very low on the totem pole for
reliable functionality. I'm pretty sure they'll
never be part of flight hardware on a TC aircraft.
They RELY on a behavior that makes them function
like a little transmitter-receiver pair that's
watching for a gross change in the impedance of
its 'antenna' terminal. It capitalizes on a behavior
that we work very hard to eliminate in other pieces
of equipment and then demonstrate success with DO-160
testing.
I strongly suggest that you consider an alternative
control philosophy for this piece of equipment.
Bob . . .
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loboflyer(at)gmail.com
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| Posted: Sat Dec 21, 2013 11:12 am Post subject: Landing Lights |
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I've also experienced two different lamp touch switches that were susceptible to ESD (static discharge). While not a significant concern when underway, you might get a failure if you touch it right after sliding across the seat.
-Jeff-
On Sat, Dec 21, 2013 at 9:38 AM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:
[quote]--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)>
| Quote: | Bob,
I have an LED cabin light that has capacitance control (ON/OFF, dim) that picks up stray interference causing it to go into a flashing mode uncontrollable by the ON/OFF function. The only way that I can stop it is by pulling the fuse.
Would your 1/2 x 1/2 filter boards be appropriate for solving this annoyance?
|
I have not the foggiest notion. Capacitance based
touch switches are very low on the totem pole for
reliable functionality. I'm pretty sure they'll
never be part of flight hardware on a TC aircraft.
They RELY on a behavior that makes them function
like a little transmitter-receiver pair that's
watching for a gross change in the impedance of
its 'antenna' terminal. It capitalizes on a behavior
that we work very hard to eliminate in other pieces
of equipment and then demonstrate success with DO-160
testing.
I strongly suggest that you consider an alternative
control philosophy for this piece of equipment.
Bob . . .
====================================
om" target="_blank">www.aeroelectric.com
ooks.com" target="_blank">www.buildersbooks.com
et="_blank">www.homebuilthelp.com
et="_blank">www.mypilotstore.com
"_blank">www.mrrace.com
="_blank">http://www.matronics.com/contribution
le, List Admin.
====================================
-List" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List
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http://forums.matronics.com
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[b]
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Eric M. Jones
Joined: 10 Jan 2006
Posts: 565
Location: Massachusetts
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| Posted: Mon Dec 23, 2013 11:28 am Post subject: Re: Landing Lights |
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AR111 are the same as PAR-36, which are common aircraft lights. You can check these guys and the attached PDF. I have no connection to these guys. Caveat Emptor.
LED Orientalight Co., Limited
Website: http://www.orientalighting.com
Email: info(at)orientalighting.com;
There are a zillion makers of LED lights now. I always advise builders to buy LEDs last. They will continue to get better every month. As always, you can make your own with DIY parts see: DX.com
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| Description: |
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Download |
| Filename: |
AR111-dims.pdf |
| Filesize: |
24.22 KB |
| Downloaded: |
305 Time(s) |
| Description: |
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Download |
| Filename: |
AR111 LED Light-12V.pdf |
| Filesize: |
189.06 KB |
| Downloaded: |
352 Time(s) |
_________________
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net |
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