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12-01-2009, 08:42 PM
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Join Date: Jun 2005
Posts: 846
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RV-6A drivers
a quick ? for 6a drivers
those that installed new fork and strut did any one notice a loss of airspeed
the strut did not change but the fork placing the wheel more in the slip stream may be something other than this but i seem to have lost 5 to 10kts
bob
Last edited by 6 Gun : 12-01-2009 at 09:00 PM.
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12-01-2009, 08:52 PM
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Join Date: Mar 2005
Posts: 5,685
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I have not chaged the original hardware
I have not changed the original hardware but in the process of modifying my RV-6A for speed I developed a subfairing that when tested on the nose gear made a very large increase in speed. My test and your observation both indicate that the speed of the RV-6A is very sensitive to the nosegear exposure.
Bob Axsom
Last edited by Bob Axsom : 12-02-2009 at 01:06 AM.
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12-01-2009, 10:21 PM
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Join Date: Feb 2007
Location: San Diego, CA
Posts: 1,670
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Bob, can you describe the nose gear subfairing in more detail? Or share a photo?
Thanks..............
__________________
Pete Hunt, [San Diego] VAF #1069
RV-6, RV-6A, T-6G
ATP, CFII, A&P
2020 Donation+, Gladly Sent 
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12-01-2009, 10:48 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,027
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Quote:
Originally Posted by turbo super rv-10
a quick ? for 6a drivers
those that installed new fork and strut did any one notice a loss of airspeed
the strut did not change but the fork placing the wheel more in the slip stream may be something other than this but i seem to have lost 5 to 10kts
bob
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The new fork uses the exact same mounting brackets for the wheel pant. The wheel/tire and the wheel pant are in the exact same relative position as they were with the old style nose wheel fork.
Aerodynamically they are identical.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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12-02-2009, 01:16 AM
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Join Date: Mar 2005
Posts: 5,685
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Even then the new installation will probably not be identical
Quote:
Originally Posted by rvbuilder2002
The new fork uses the exact same mounting brackets for the wheel pant. The wheel/tire and the wheel pant are in the exact same relative position as they were with the old style nose wheel fork.
Aerodynamically they are identical.
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Scott, the actual installation will vary even if the design dimensions are identical. The most prone to variation is the wheel pant part of the assembly.
Bob Axsom |
12-02-2009, 01:21 AM
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Join Date: Mar 2005
Posts: 5,685
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It is in a thread entitled "Subfairing for Oldstyle RV-6A Nosegear"
Quote:
Originally Posted by PCHunt
Bob, can you describe the nose gear subfairing in more detail? Or share a photo?
Thanks..............
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Do a search on "Subfairing for Oldstyle RV-6A Nosegear" or just "subfairing" and you will find everything you are asking for.
Bob Axsom |
12-02-2009, 06:07 AM
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Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
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Nope...
Quote:
Originally Posted by turbo super rv-10
a quick ? for 6a drivers
those that installed new fork and strut did any one notice a loss of airspeed
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No loss. The relationship stays the same externally.
Best,
__________________
Pierre Smith
RV-10, 510 TT
RV6A (Sojourner) 180 HP, Catto 3 Bl (502Hrs), gone...and already missed
Air Tractor AT 502B PT 6-15 Sold
Air Tractor 402 PT-6-20 Sold
EAA Flight Advisor/CFI/Tech Counselor
Louisville, Ga
It's never skill or craftsmanship that completes airplanes, it's the will to do so,
Patrick Kenny, EAA 275132
Dues gladly paid!
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12-02-2009, 07:23 AM
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Join Date: Jun 2005
Posts: 846
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rv6-a
i was under the impression that one inch was cut off of the strut to allow the new fork to stick the tire down one inch for better ground clearnce
went back and done some reading and seen it was to raise the strut one inch higher
thanks for pointing that out
bob
Last edited by 6 Gun : 12-02-2009 at 07:40 AM.
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12-02-2009, 07:41 AM
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Join Date: Jan 2005
Location: Louisville, Ga
Posts: 7,840
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The angle of the forks changed..
....but it is now 1" higher up the leg, giving you that extra inch of clearance after the end was sawed off. The nut is an extra inch higher.
Best,
__________________
Pierre Smith
RV-10, 510 TT
RV6A (Sojourner) 180 HP, Catto 3 Bl (502Hrs), gone...and already missed
Air Tractor AT 502B PT 6-15 Sold
Air Tractor 402 PT-6-20 Sold
EAA Flight Advisor/CFI/Tech Counselor
Louisville, Ga
It's never skill or craftsmanship that completes airplanes, it's the will to do so,
Patrick Kenny, EAA 275132
Dues gladly paid!
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