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Interesting biplane project... look at the wing profile



 
 
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  #1  
Old December 2nd 08, 01:27 AM posted to rec.aviation.homebuilt
Bob Kuykendall
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Posts: 1,345
Default Interesting biplane project... look at the wing profile

On eBay:

http://cgi.ebay.com/ebaymotors/ws/eB...m=260325125475

Item number 260325125475 if that URL doesn't work for you.

The thing I'm curious about is the wing profile. Sections like that
seem to work for the F-117 stealth fighter. But it seems a bit out of
place on this aircraft.

Thanks, Bob K.
  #2  
Old December 2nd 08, 02:07 AM posted to rec.aviation.homebuilt
Capt. Geoffrey Thorpe
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Posts: 790
Default Interesting biplane project... look at the wing profile

"Bob Kuykendall" wrote in message
...
On eBay:

http://cgi.ebay.com/ebaymotors/ws/eB...m=260325125475

Item number 260325125475 if that URL doesn't work for you.

The thing I'm curious about is the wing profile. Sections like that
seem to work for the F-117 stealth fighter. But it seems a bit out of
place on this aircraft.



Ooooooh-K....

Empty CG in front of the wing - and will only move forward when someone
sits on the seat? It's probably a good thing that he couldn't get it off
the ground...

--
Geoff
The Sea Hawk at Wow Way d0t Com
remove spaces and make the obvious substitutions to reply by mail
When immigration is outlawed, only outlaws will immigrate.

  #3  
Old December 2nd 08, 02:24 AM posted to rec.aviation.homebuilt
[email protected]
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Posts: 7
Default Interesting biplane project... look at the wing profile

On Dec 1, 7:07�pm, "Capt. Geoffrey Thorpe" The Sea Hawk @See My
Sig.com wrote:
"Bob Kuykendall" wrote in message

...

On eBay:


http://cgi.ebay.com/ebaymotors/ws/eB...m&item=2603251....


Item number 260325125475 if that URL doesn't work for you.


The thing I'm curious about is the wing profile. Sections like that
seem to work for the F-117 stealth fighter. But it seems a bit out of
place on this aircraft.


Ooooooh-K....

Empty CG in front of the wing - and will only move forward when someone
sits on the seat? It's probably a good thing that he couldn't get it off
the ground...

--
Geoff
The Sea Hawk at Wow Way d0t Com
remove spaces and make the obvious substitutions to reply by mail
When immigration is outlawed, only outlaws will immigrate.


Actually, that is the proper way of setting up the aircraft. Just
about every pusher configuration aircraft is stability relaxed empty.
As soon as pilot is on board the cg moves forward and the aircraft has
a positive stability margin sufficient for safe flight (well most of
the time - LOL).

I am curious just how the cg is going to move forward other than
pilot, passengers, or cargo?
  #4  
Old December 2nd 08, 10:26 PM posted to rec.aviation.homebuilt
Capt. Geoffrey Thorpe
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Posts: 790
Default Interesting biplane project... look at the wing profile

wrote in message
...
Actually, that is the proper way of setting up the aircraft. Just
about every pusher configuration aircraft is stability relaxed empty.
As soon as pilot is on board the cg moves forward and the aircraft has
a positive stability margin sufficient for safe flight (well most of
the time - LOL).


Correct.

I misread the ad - I thought it said 2" in front of the wing - not wing
_CENTER_ - my mistake.

--
Geoff
The Sea Hawk at Wow Way d0t Com
remove spaces and make the obvious substitutions to reply by mail
When immigration is outlawed, only outlaws will immigrate.


  #5  
Old December 2nd 08, 04:28 AM posted to rec.aviation.homebuilt
[email protected]
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Posts: 472
Default Interesting biplane project... look at the wing profile

On Dec 1, 5:27*pm, Bob Kuykendall wrote:

The thing I'm curious about is the wing profile.

---------------------------------------------------------------------------------------

Nothing especially new there. It is a faceted surface. Lots of
'interesting' characteristics with regard to lift & drag.

But what really makes my hair stand on end is the empty weight. A tad
on the chubby side, in my opinion.

-R.S.Hoover
  #6  
Old December 2nd 08, 10:01 AM posted to rec.aviation.homebuilt
MC[_3_]
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Posts: 1
Default Interesting biplane project... look at the wing profile

On Dec 2, 5:28*pm, " wrote:
On Dec 1, 5:27*pm, Bob Kuykendall wrote:

The thing I'm curious about is the wing profile.


--------------------------------------------------------------------------- ------------

Nothing especially new there. *It is a faceted surface. *Lots of
'interesting' characteristics with regard to lift & drag.

You mean not much lift for drag -right?

But what really makes my hair stand on end is the empty weight. *A tad
on the chubby side, in my opinion.


What did you expect from tarps for wing coverings?

Cheers



  #7  
Old December 5th 08, 01:54 PM posted to rec.aviation.homebuilt
[email protected]
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Posts: 472
Default Interesting biplane project... look at the wing profile


You mean not much lift for drag -right?
--------------------------------------------------------------------

Dear MC,

I wasn't referring specifically to this aircraft (too little data)
but to faceted wing surfaces in general.

From what I CAN see ( at least on the lower wing ), the characteristic
transition surface(s) needed to make the faceted portion work, appears
to be missing.

-R.S.Hoover

  #8  
Old December 2nd 08, 04:44 AM posted to rec.aviation.homebuilt
Richard[_8_]
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Posts: 156
Default Interesting biplane project... look at the wing profile

Bob Kuykendall wrote:
On eBay:

http://cgi.ebay.com/ebaymotors/ws/eB...m=260325125475

Item number 260325125475 if that URL doesn't work for you.

The thing I'm curious about is the wing profile. Sections like that
seem to work for the F-117 stealth fighter. But it seems a bit out of
place on this aircraft.

Thanks, Bob K.


Why wold anyone think it flies?
  #9  
Old December 2nd 08, 05:23 AM posted to rec.aviation.homebuilt
Craig[_2_]
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Posts: 144
Default Interesting biplane project... look at the wing profile

On Dec 1, 8:44*pm, Richard wrote:
Bob Kuykendall wrote:
On eBay:


http://cgi.ebay.com/ebaymotors/ws/eB...m&item=2603251....


Item number 260325125475 if that URL doesn't work for you.


The thing I'm curious about is the wing profile. Sections like that
seem to work for the F-117 stealth fighter. But it seems a bit out of
place on this aircraft.


Thanks, Bob K.


Why wold anyone think it flies?


anybody got a match?

Craig
  #10  
Old December 2nd 08, 10:07 PM posted to rec.aviation.homebuilt
Morgans[_2_]
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Posts: 3,924
Default Interesting biplane project... look at the wing profile


"Richard" wrote

Why wold anyone think it flies?


It says right in the descriptions, that this is not intended to fly, but
driven in a parade, or as an advertising gimmick.

Overkill, is right.
--
Jim in NC


 




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