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bakerocb
Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA
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 Posted: Wed Jul 07, 2010 3:44 am Post subject: SV: Re: KIS IT-1 Aerodynamics - Julians mod |
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7/7/2010
Hello Hans Christian, Thank you for this input and the very interesting
picture attached -- it may be seen here:
http://forums.matronics.com/viewtopic.php?t=72540
It reveals a point regarding the KIS TR-1C tail dragger that I did not know
before -- that is the junction relationship of the upper end of the main
landing gear strut fairing, the fuselage, and the inboard wing leading edge.
The RV-8 people make a fuss over the effect on their airplane's aerodynamics
of the upper main landing gear strut fairing at that same fuselage junction.
Some RV-8 builders have put a small curved strake just forward of this
junction to shape the airflow. See a picture about one third down this page:
http://www.rv8.ch/index.php?topic=General
It looks like Julian has no fairing or strake at all at that junction so
some of his airplane's aerodynamics may be affected by this fact.
'OC' Baker Says: "The best investment we can make is the time and effort to
gather and understand knowledge."
PS: Hello Julian, Even though you may no longer be subscribed to the
Matronics Kis listing you may want to go to the KIS archives and take a look
at all the KIS TR-1 aerodynamics related posts over the last month or so.
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mantafs(at)earthlink.net
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| Posted: Wed Jul 07, 2010 8:22 am Post subject: SV: Re: KIS IT-1 Aerodynamics - Julians mod |
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Hi OC,
I also noticed that the gear leg to fuselage junction was not faired and was thinking this would be draggy. But now that you mentioned it I agree this could be a cause of problems at the wing root on the upper surface at high AOA. This could also explain why my nose dragger does not exhibit the same problem.
Mark
| Quote: |
It reveals a point regarding the KIS TR-1C tail dragger that I did not know
before -- that is the junction relationship of the upper end of the main
landing gear strut fairing, the fuselage, and the inboard wing leading edge.
The RV-8 people make a fuss over the effect on their airplane's aerodynamics
of the upper main landing gear strut fairing at that same fuselage junction.
Some RV-8 builders have put a small curved strake just forward of this
junction to shape the airflow. See a picture about one third down this page:
http://www.rv8.ch/index.php?topic=General
It looks like Julian has no fairing or strake at all at that junction so
some of his airplane's aerodynamics may be affected by this fact.
|
| | - The Matronics KIS-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?KIS-List |
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