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Terry Phillips
Joined: 11 Jan 2006
Posts: 346
Location: Corvallis, MT
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 Posted: Wed Jul 02, 2008 3:12 pm Post subject: Kuntzleman Streamline Combo Nav/Strobe Lights On 601XL |
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I have had the same question, Dave.
I bought the GS-Air LED nav-strobe-rear light combo and I will install them when I finish my 601XL I believe they are similar to the Kunzleman units.
I took the attached photo of the factory demo at Open Hangar Days, 2007. I got as far behind the airplane as I could (probably 3 or 400 ft) and then took the photo. It looks like there is a reasonable chance that a combo light mounted as far rearward as possible on the flat end of the fiberglass wing tip would be visible from 1200 ft on the aft centerline of the A/C. However, the only way to know for sure would be to mount the lights on your A/C and check it out at night--which I hope to do in a year or two. I'll let you know for sure then 
Terry
At 04:59 PM 7/2/2008 -0500, you wrote:
| Quote: | Has anyone successfully installed the Kuntzleman Streamline Combo nav/strobe lights on a 601XL, and do the rear-facing white nav lights meet the FAA approved light pattern? I was originally going to install the round nav light in the rudder, but it adds more wiring and extra weight, so I’d rather go with the combo system if I can. I like the Kuntzleman system because it is lightweight, has a single strobe power pack in the fuselage, and only draws about 3 to 4 amps total, including the strobes and LED nav lights. However I can’t figure out how to verify whether the rear-facing white LED lights would meet the FAA approved light pattern. I haven’t started on my wings yet, (I will be starting soon), but when I have looked at the shape of the wingtip on other XLs, it appears that the light mounting pads are forward of the outermost curvature of the wingtip, so I am concerned that the wingtip will block the view to the rear. If I understand it correctly, the white lights must be visible 70 degrees to either side of a longitudinal line through the center of the A/C at a distance of 1200 feet behind the A/C, but there is no practical way for me to check this.
Any help would be appreciated.
Dave Van Lanen
601XL – finishing tail |
Terry Phillips
ttp44~at~rkymtn.net
Corvallis MT
601XL/Jab 3300 s .. l .. o .. o .. w build kit - Tail, flaps, & ailerons are done; working on the wings
http://www.mykitlog.com/N47TP/
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Terry Phillips
Corvallis, MT
ttp44<at>rkymtn.net
Zenith 601XL/Jab 3300 slow build kit - Tail feathers done; working on the wings. |
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Terry Phillips
Joined: 11 Jan 2006
Posts: 346
Location: Corvallis, MT
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| Posted: Fri Jul 11, 2008 5:40 pm Post subject: Kuntzleman Streamline Combo Nav/Strobe Lights On 601XL |
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[OFF-LINE]
Hi Dave
A couple of picts of combo lights. I was at the Arlington Flyin today and noticed the lights on the Jabiru LSA A/C. They are the GS-Air/Kunzleman variety. Take a look at the attached photos. If they are legal on the Jabiru, I cannot believe they could not be mounted with at least as good rearward visibility on the 601XL.
Terry
At 04:59 PM 7/2/2008 -0500, you wrote:
| Quote: | Has anyone successfully installed the Kuntzleman Streamline Combo nav/strobe lights on a 601XL, and do the rear-facing white nav lights meet the FAA approved light pattern? I was originally going to install the round nav light in the rudder, but it adds more wiring and extra weight, so I’d rather go with the combo system if I can. I like the Kuntzleman system because it is lightweight, has a single strobe power pack in the fuselage, and only draws about 3 to 4 amps total, including the strobes and LED nav lights. However I can’t figure out how to verify whether the rear-facing white LED lights would meet the FAA approved light pattern. I haven’t started on my wings yet, (I will be starting soon), but when I have looked at the shape of the wingtip on other XLs, it appears that the light mounting pads are forward of the outermost curvature of the wingtip, so I am concerned that the wingtip will block the view to the rear. If I understand it correctly, the white lights must be visible 70 degrees to either side of a longitudinal line through the center of the A/C at a distance of 1200 feet behind the A/C, but there is no practical way for me to check this.
Any help would be appreciated.
Dave Van Lanen
601XL – finishing tail |
Terry Phillips ZBAGer
ttp44~at~rkymtn.net
Corvallis MT
601XL/Jab 3300 s .. l .. o .. o .. w build kit - Tail, flaps, & ailerons are done; working on the wings
http://www.mykitlog.com/N47TP/
| | - The Matronics Zenith-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Zenith-List |
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Terry Phillips
Corvallis, MT
ttp44<at>rkymtn.net
Zenith 601XL/Jab 3300 slow build kit - Tail feathers done; working on the wings. |
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Ron Lendon
Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI
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| Posted: Fri Jul 11, 2008 6:35 pm Post subject: Re: Kuntzleman Streamline Combo Nav/Strobe Lights On 601XL |
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Gentlemen, I have just used a CAD system and drew up what you are trying to do. It works with lots of clearance if the lights are at the furthest point out and as high on the wing tip as you can get them. I also made mine perpendicular to earth so there will be good coverage above and below. I am using the AeroFlash units but the solution is still the same.
FYI
I have a snapshot here, the top view has two blue lines extending back 1200' to a vertex at the projected centerline of the aircraft. The lines don't touch the stabilizer or the wing tip itself so there is a clear view back.
The furthest point out is at the spar rivet line at the top of the wing skin per 6-W-9.
| | - The Matronics Zenith-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
https://sites.google.com/site/corvairenginedata/ |
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pete(at)usjabiru.com
Guest
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| Posted: Sat Jul 12, 2008 10:27 am Post subject: Kuntzleman Streamline Combo Nav/Strobe Lights On 601XL |
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The lights in the photo are not Kuntzleman but are the LED wingtip Nav / Strobe manufactured by GS-Air. See them at www.gs-air.com
Pete Krotje
Jabiru USA Sport Aircraft, LLC
From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Terry Phillips
Sent: Friday, July 11, 2008 8:32 PM
To: zenith-list(at)matronics.com
Subject: Re: Zenith-List: Kuntzleman Streamline Combo Nav/Strobe Lights On 601XL
[OFF-LINE]
Hi Dave
A couple of picts of combo lights. I was at the Arlington Flyin today and noticed the lights on the Jabiru LSA A/C. They are the GS-Air/Kunzleman variety. Take a look at the attached photos. If they are legal on the Jabiru, I cannot believe they could not be mounted with at least as good rearward visibility on the 601XL.
Terry
At 04:59 PM 7/2/2008 -0500, you wrote:
Has anyone successfully installed the Kuntzleman Streamline Combo nav/strobe lights on a 601XL, and do the rear-facing white nav lights meet the FAA approved light pattern? I was originally going to install the round nav light in the rudder, but it adds more wiring and extra weight, so I’d rather go with the combo system if I can. I like the Kuntzleman system because it is lightweight, has a single strobe power pack in the fuselage, and only draws about 3 to 4 amps total, including the strobes and LED nav lights. However I can’t figure out how to verify whether the rear-facing white LED lights would meet the FAA approved light pattern. I haven’t started on my wings yet, (I will be starting soon), but when I have looked at the shape of the wingtip on other XLs, it appears that the light mounting pads are forward of the outermost curvature of the wingtip, so I am concerned that the wingtip will block the view to the rear. If I understand it correctly, the white lights must be visible 70 degrees to either side of a longitudinal line through the center of the A/C at a distance of 1200 feet behind the A/C, but there is no practical way for me to check this.
Any help would be appreciated.
Dave Van Lanen
601XL – finishing tail
Terry Phillips ZBAGer
ttp44~at~rkymtn.net
Corvallis MT
601XL/Jab 3300 s .. l .. o .. o .. w build kit - Tail, flaps, & ailerons are done; working on the wings
http://www.mykitlog.com/N47TP/
[quote][b]
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