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  #61  
Old 05-13-2009, 05:37 PM
Dan Langhout's Avatar
Dan Langhout Dan Langhout is offline
 
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Location: Huntsville, AL USA
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Default Good Document!

Quote:
Originally Posted by az_gila View Post
...measurements gives a lot more detail beyond the FARs...

http://www.airweb.faa.gov/Regulatory...LE/AC20-74.pdf
I wish you had found this back in December when I was wading through all the LED measurement stuff!
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665 hours and counting . . . .
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  #62  
Old 05-13-2009, 08:29 PM
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az_gila az_gila is offline
 
Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
Thumbs up We can thank Tim Mahoney...

Quote:
Originally Posted by Dan Langhout View Post
I wish you had found this back in December when I was wading through all the LED measurement stuff!
...of Mid-Sota Aircraft Technologies posting in a recent thread. It was a link within a linked document....

He found it, and it really is much better than the FARs on details, even if it is a somewhat dated document.
He also used it for his light output testing, which is probably more than a lot of the other LED nav light suppliers did...
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Half completed RV-10 QB purchased
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Grumman Tiger N12GA - flying
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  #63  
Old 05-13-2009, 11:01 PM
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Dean_aeroleds Dean_aeroleds is offline
 
Join Date: Aug 2007
Location: Boise, Idaho
Posts: 468
Default

Quote:
Originally Posted by Dan Langhout View Post
I wish you had found this back in December when I was wading through all the LED measurement stuff!
Dan,

That's a good document because it discusses photometry and colorimetry, as well as the Blondel-Rey equation, and it has accurate position light requirements, but it doesn't contain the latest requirements for the anti-collision lights. For that you need SAE AS8017B.

Dean Wilkinson
AeroLEDs LLC
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  #64  
Old 05-14-2009, 06:58 AM
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Dan Langhout Dan Langhout is offline
 
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Default Other than 400 cd?

Quote:
Originally Posted by Dean_aeroleds View Post
Dan,

. . . . . . . . . but it doesn't contain the latest requirements for the anti-collision lights. For that you need SAE AS8017B.

Dean Wilkinson
AeroLEDs LLC
You mean something other than the newer requirement for 400 effective candela as opposed to the older one for 100? ( I think the angle requirements changed a bit as well). Those changes are covered pretty well in the FAR.
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RV-7 N528DP slow build
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665 hours and counting . . . .
Now based at Moontown (3M5)
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  #65  
Old 05-14-2009, 08:01 AM
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Dean_aeroleds Dean_aeroleds is offline
 
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Location: Boise, Idaho
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Default

Quote:
Originally Posted by Dan Langhout View Post
You mean something other than the newer requirement for 400 effective candela as opposed to the older one for 100? ( I think the angle requirements changed a bit as well). Those changes are covered pretty well in the FAR.
While it is true that the FAR covers the requirements, the details of the requirement and the measurement techniques are in AS8017B. This is the document that is called out by the TSO for certification testing, and is the official testing standard for airborne strobes... just pointing out that if you want the official requirements and test methods for strobe testing, that is where you will find it.
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  #66  
Old 05-14-2009, 08:46 AM
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az_gila az_gila is offline
 
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Unhappy And unfortuneately the SAE...

Quote:
Originally Posted by Dean_aeroleds View Post
While it is true that the FAR covers the requirements, the details of the requirement and the measurement techniques are in AS8017B. This is the document that is called out by the TSO for certification testing, and is the official testing standard for airborne strobes... just pointing out that if you want the official requirements and test methods for strobe testing, that is where you will find it.
...charges for all of it's specifications, unlike the free Mil-Specs (now obsolete) and the FAA ACs.....

It's a $61 specification.
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  #67  
Old 05-14-2009, 10:45 AM
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Dean_aeroleds Dean_aeroleds is offline
 
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Location: Boise, Idaho
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Default

Quote:
Originally Posted by az_gila View Post
...charges for all of it's specifications, unlike the free Mil-Specs (now obsolete) and the FAA ACs.....

It's a $61 specification.
Yes, the SAE charges for their specifications. Home builders probably aren't going to fork over the money to buy a copy, but anyone in the business who is working to get the TSO needs a copy.
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  #68  
Old 10-31-2009, 09:13 AM
wings05rv6a wings05rv6a is offline
 
Join Date: Oct 2006
Location: Coarsegold Ca.
Posts: 71
Default LED Lights on both sides of the cut out

Hello;
I am instaling Led Lights on my RV6A, I have the wing tip cut outs with the lens cover. I am thinking of placing Led stars on both sides of the cut out.
5 around the strobe and 5 where the normal position light would be. Is there
any problem with this idea? As I plan to do lot's of night flights.

Thanks
Bob Wieczorek
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  #69  
Old 06-17-2014, 12:34 PM
gliderguy gliderguy is offline
 
Join Date: Jun 2014
Location: Malibu, Ca
Posts: 2
Unhappy LED nav light radio interference(Power Puck??)

Hello, Hoping anyone can give me some guidance. Jeff's Bordelion's email address doesn't work and his web site is gone. He was the original person offering these LED nav lights as a package.
I am trying to figure out if these LED nav lights are no longer made because of the problem I have had with them from the start. Completed my RV10 in 2012. The lights work beautifully, problem is you can't have your VHF on. If the lights are turned on, initially there is no problem, but the minute SOMEONE broadcasts on your radio frequency, static comes on and will not go away, even after the broadcast is finished. That is with my panel mounted radio and belly mounted whip antenna.

I have tried using my handheld which is also hardwired into the aircraft power supply, but with a different wingtip antenna and the same thing happens. On this setup the wingtip antenna is right next to the Power Puck and the static begins even before someone broadcasts on frequency. Thus it is not my intercom.

I have not tried the handheld running from its own battery with its wingtip antenna. I suspect it is the power pucks that power the LED lights are emitting lots of RF which I have not been able to shield.

Does anyone have any information?

Thanks,

John
Dr.gpilot@hotmail.com
contact offline too at the above email...THANKS
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  #70  
Old 06-18-2014, 11:57 AM
jc11378 jc11378 is offline
 
Join Date: Jul 2009
Location: Dixon Ca
Posts: 91
Default Led Landing Lights

Well I am now convinced about led lighting.

I have the Aero Leg Position and strobe lights for my rv-10, and I can confirm there much brighter then the wheelens on our Saratoga that we fly in a side beside comparison.

This last annual we purchases the Aero Led Spot landing lights for both wing tips and the Spot taxi light for the bottom of the engine cowl. I flew the airplane last Friday night at 10 pm wanting a very dark night to really see how well the work.

Now I am convinced again, it was 500% better then the Q4509 bulbs we had installed and more than half the electrical load.

So now the RV-10 will be getting the RV Tip taxi-landing light combo that is under development, from Aero LED.

I would be say it is a safety issue in my opinion.

So i now have a new set of MR16 sized HID landing light kit for sale. I know of several rv-10 using them with great success.

So any one interested just let me know.

Great Job Aero Led,

I am going to Demo the new lights for our EAA chapter one month during our meeting.
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