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09-05-2016, 07:09 AM
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Join Date: Aug 2009
Location: Winnipeg, Canada
Posts: 214
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Nav light position
While I've got a long time before deciding on lights, I've been reading about the options that are available and something I've noticed is that everyone seems to be installing the nav lights in the cut-out under the lens in each wingtip as opposed to right out at the end of the wingtip. Is there a reason for this? Would they cause noticeable drag? I'm just curious if there's something I need to know.
Cheers 
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09-05-2016, 07:37 AM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,769
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Lights out on the tip will cause drag, but probably not noticeable.
Most people use the "enclosed" lights for looks. Be aware that if the anti collision lights are within these enclosures then additional anti collision lights will be required on the tail as they must be visible for 360°.
These are US requirements. I assume that Canadian regs. are similar.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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09-05-2016, 08:37 AM
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Join Date: Aug 2009
Location: Winnipeg, Canada
Posts: 214
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Yes, the Canadian regs are the same. I was wondering if the nav lights are put outside, then that might give more flexibility for landing light installation in the wingtip. However, I have no problem with cutting leading edge of the wing as another option. I'm just brainstorming for now.
Thanks and enjoy the long weekend!
Cheers! 
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09-05-2016, 06:54 PM
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Join Date: Mar 2014
Location: Laguna Hills, CA
Posts: 1,805
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Hey Shamit,
Go with a low-profile nav light and you can still put the landing light in the wingtip. These are Ztron Labs nav/strobes (no longer made, unfortunately) and a Duck Works LED landing light.

__________________
Doug
RV-9A "slider"
Flew to Osh in 2017, 2018 & 2019! 
Tail number N427DK
Donation made for 2020
You haven't seen a tree until you've seen its shadow from the sky -- Amelia Earhart
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09-06-2016, 07:04 AM
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Join Date: Aug 2009
Location: Winnipeg, Canada
Posts: 214
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Hi Doug,
Thanks for the suggestion. I was thinking more along the lines of building some sort of mount to push the landing light more forward in order to get a better angle aiming the light towards center line. If the nav/position light wasn't there, we then wouldn't have to worry about blocking its visibility in the required 110 degree arc. However, I haven't done any measurements and the geometry of the lens may restrict the landing light enough where it won't really make a difference.
I'm sure I'm not the only one who's thought of this and since I haven't seen anyone else do it that way, it probably won't work.
Thanks again.
Cheers,
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09-06-2016, 08:58 AM
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Join Date: Oct 2009
Location: Victoria, BC, Canada
Posts: 3,932
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Shamit, you don't really need to illuminate the space in front of you between the wingtips with a direct beam. The light will diffuse enough in flight and on the ground to be effective.
__________________
Rob Prior
1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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09-06-2016, 11:00 AM
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Join Date: Aug 2009
Location: Winnipeg, Canada
Posts: 214
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Quote:
Originally Posted by Snowflake
Shamit, you don't really need to illuminate the space in front of you between the wingtips with a direct beam. The light will diffuse enough in flight and on the ground to be effective.
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Good to know. Thanks!
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