Today's Message Index:
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1. 07:26 AM - SV: Picture of fillet (Hans Christian Erstad)
2. 07:55 AM - Re: SV: Picture of fillet (Mark Kettering)
3. 01:43 PM - SV: SV: Picture of fillet (Hans Christian Erstad)
Message 1
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Subject: | Picture of fillet |
Jesse
Thanks for posting the picture. Similar to mod I have in mind.
What do you mean you never flew the original? I thought you made the
modification after you started flying the aircraft?
Julian told me his fillet improved the slow speed handeling. My KIS is
very
stable and controllable at stall+20 kts. At stall+10 kts the aircraft
is a
bit "wobbly", small pitch and roll distubances. Don't really need to
correct the disturbances, and the aircraft is still responsive to
contoll
input. At stall speed there are noticable pitch buffeting, and if the
stick
is kept in the aft position, the aircraft will sharply drop a wing
(feels
like 90 deg), and I have never attempted to see what hapens after this
if do
not recover from the stall.
Regards,
Hans Christian TR-1 #032
_____
Fra: owner-kis-list-server@matronics.com
[mailto:owner-kis-list-server@matronics.com] P=E5 vegne av
Flyinisfun@aol.com
Sendt: 14. juli 2010 04:37
Til: kis-list@matronics.com
Emne: KIS-List: Picture of fillet
Here is an attachment picture of making the wing fillet. How it works
compared to the orginal I don't know as I never flew the orginal.
Jesse Wright
Message 2
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Subject: | Re: Picture of fillet |
Sounds like just about a perfect stall warning to me. I am not saying that a larger
root fillet would not help reduce stall speed. It may. But a good prestall
warning is a very important thing to have.
If your aircraft is a tail dragger do you have fairings on the gear leg to fuselage
junctions?
I really like the look of the larger aft wing root fairing. Not really a big fan
of the big fairing at the forward part of the wing root.
Mark
> At stall speed there are noticable pitch buffeting, and if the stick
>is kept in the aft position, the aircraft will sharply drop a wing (feels
>like 90 deg), and I have never attempted to see what hapens after this if do
>not recover from the stall.
>
Message 3
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Subject: | Picture of fillet |
Mark
My KIS is a nose gear version. It could be that the tail dragger behave
differently.
I don't think an improved fuselage junction will lower the stall speed, but
it will maybe improve the handeling at 10 kts above stall speed? I feel I
always am a bit fast on the final approach, as I don't like to fly in the
speed where the pre-stall warning wobbliness occurs. But, in ground
effect/flare I don't experience the wobbling/unsteadyness.
Last weekend I went to the Duxford airshow in the UK. All old airplanes
with round fuselages have wing-fuselage fairings that start off with a short
radius at the leading edge and ends with a quite large radius at the rear.
Regards
Hans Christian
-----Opprinnelig melding-----
Fra: owner-kis-list-server@matronics.com
[mailto:owner-kis-list-server@matronics.com] P vegne av Mark Kettering
Sendt: 14. juli 2010 16:52
Til: kis-list@matronics.com
Emne: Re: SV: KIS-List: Picture of fillet
Sounds like just about a perfect stall warning to me. I am not saying that
a larger root fillet would not help reduce stall speed. It may. But a good
prestall warning is a very important thing to have.
If your aircraft is a tail dragger do you have fairings on the gear leg to
fuselage junctions?
I really like the look of the larger aft wing root fairing. Not really a
big fan of the big fairing at the forward part of the wing root.
Mark
> At stall speed there are noticable pitch buffeting, and if the stick
>is kept in the aft position, the aircraft will sharply drop a wing
>(feels like 90 deg), and I have never attempted to see what hapens
>after this if do not recover from the stall.
>
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