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craigb(at)onthenet.com.au
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 Posted: Tue Feb 24, 2009 12:31 am Post subject: wing root fairings |
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Fred you mentioned in the antenna discussions, you have made some more
progress
on wing root fairings. I am sure must of the guys would be interested in
those pics.
craig
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fklein(at)orcasonline.com
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| Posted: Tue Feb 24, 2009 5:57 pm Post subject: wing root fairings |
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[quote] This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
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jrgowing(at)bigpond.net.a
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| Posted: Tue Feb 24, 2009 6:55 pm Post subject: wing root fairings |
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Fred
Thank you for the inspiring photos......
That is unbelievable work!
JR (Bob) Gowing 327 in Oz
Do not archive
[quote] ---
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craigb(at)onthenet.com.au
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| Posted: Wed Feb 25, 2009 1:19 am Post subject: wing root fairings |
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great work fred, I get the impression you are looking at cutting the top fairing and fitting it to the flap,
just a suggestion, but would it not be easier to just have the flap come up against the bottom of the
top fairings and sit in a "step" in the bottom fairing. Obviously this would require a slot in the bottom
fairing for the flap drive tube, but that could be filled with a small inset that attaches to the tube itself.
As i said great work and this is in no way a critisism of what you have achieved so far, I simply offer
a suggestion that MAY make life easier come fitting etc. I look forward to the flight test data from the trike
you mentioned.
craig
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grahamsingleton(at)btinte
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| Posted: Wed Feb 25, 2009 2:13 am Post subject: wing root fairings |
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Fred
they look superb! I can't wait to hear what the performance gain is
Graham
Fred Klein wrote:
| Quote: | Sure Craig:
The "news" on my fairings follows:
The design remains the same; they mate with the stock fairing at the
spar, and would be able to be easily added to a completed aircraft.
I am currently (very cautiously) trial fitting a set on my aircraft,
attempting to assure that, as the fairing is cut into the portions
which bond to the wing, the flap, and the aft fuselage, the smooth and
continuous curvature is maintained. (Thank God for clecos, hot glue,
and tongue depressors!). Note that the flap drive slot is now covered.
I am also dealing with the issue of air flow over and around the aft
portion of the fairing when the flaps are deployed. Just how to close
the volume opened up when the flaps are deployed and configure the
resulting surface is not yet resolved.
So...that's where things stand at the moment,
Fred
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fklein(at)orcasonline.com
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| Posted: Wed Feb 25, 2009 8:13 am Post subject: wing root fairings |
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On Feb 25, 2009, at 1:28 AM, craig bastin wrote:
| Quote: | I get the impression you are looking at cutting the top fairing and fitting it to the flap,
just a suggestion, but would it not be easier to just have the flap come up against the bottom of the
top fairings and sit in a "step" in the bottom fairing.
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Craig,
Truly...suggestions and feedback are most welcome (as are critiques as well!). I must admit I'd scratched my head a bit early on, thinking much like you have...and no doubt your particular suggestion would be doable...certainly for a trigear, and for a mono as well, as long as one is not wedded to the standard monowheel trailer. The configuration shown is designed to limit the amount of projection of that portion of the fairing which is bonded to the fuselage so as not to conflict w/ the wings when stowed on the trailer.
| Quote: | As i said great work and this is in no way a critisism of what you have achieved so far, I simply offer
a suggestion that MAY make life easier come fitting etc.
|
It's certainly possible that an intrepid trigear builder may take the moldings and do just what you've suggested.
| Quote: | I look forward to the flight test data from the trike
you mentioned.
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...as do I...
Fred
A194
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fklein(at)orcasonline.com
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| Posted: Wed Feb 25, 2009 9:21 am Post subject: wing root fairings |
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On Feb 25, 2009, at 2:11 AM, Graham Singleton wrote:
| Quote: | they look superb! I can't wait to hear what the performance gain is
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Graham,
Thank you...I too will be interested to see what gains, if any, emerge
from this endeavor.
Re: photos of a tufted G-KWIP, it certainly appears that with your
less elaborate flap-fairing, the air flow is pretty smooth...though I
see some indications that increasing the vertical radius of the fillet
could be beneficial. The photo w/ the flaps deployed is reassuring.
By any chance, was the stock airframe ever tufted and photographed?
I'd heard some time ago that the Club was pestering Justin Kennedy to
record some performance profiles w/ G-ZTED (classic)...his work on the
fuselage/wing intersection is also quite interesting and inspired me
to take it perhaps one step further. Any chance of getting some flight
data fro Justin?
Fred
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ptag.dev(at)tiscali.co.uk
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| Posted: Wed Feb 25, 2009 9:26 am Post subject: wing root fairings |
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Hi! Fred /Craig
Take a look at my flap/wing fairings at www.crix.org.uk under “Bob Harrison G-PTAG”
Regards
Bob Harrison
--
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grahamsingleton(at)btinte
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| Posted: Wed Feb 25, 2009 10:52 am Post subject: wing root fairings |
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Fred Klein wrote:
| Quote: | -Re: photos of a tufted G-KWIP, it certainly appears that with your
less elaborate flap-fairing, the air flow is pretty smooth...though I
see some indications that increasing the vertical radius of the fillet
could be beneficial. The photo w/ the flaps deployed is reassuring.
By any chance, was the stock airframe ever tufted and photographed?
I'd heard some time ago that the Club was pestering Justin Kennedy to
record some performance profiles w/ G-ZTED (classic)...his work on the
fuselage/wing intersection is also quite interesting and inspired me
to take it perhaps one step further. Any chance of getting some flight
data fro Justin?
Fred
Hi Fred
|
Ivan did tuft the standard airframe but he refused to let me see the
pictures ? He did say the standard was better than mine but I find
that kinda hard to believe  .
I don't have a contact for Justin.
Graham
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