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has any one seen this - 6/4/2007 3:20:02 AM   
woodnears


 

Posts: 36
Joined: 5/28/2007
From: dodge city, KS, USA
Status: offline 		i have seen one before it was called the secret weapon! it has a forward swept wing and is for a 15- 25 size engine.
       Post #: 1

RE: has any one seen this - 6/4/2007 4:33:42 AM   
The Internet Killer


 

Posts: 222
Joined: 8/21/2005
From: Ferndale, WA, USA
Status: offline 		Does it look something like this ??? LOL



This is something I threw together part to test and part to scare Charles, AKA: Wolverine, that I might actually
bring out a combat plane and fly , LOL.

Attachments
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_____________________________

Hindsight is an exact science.

(in reply to woodnears)
       Post #: 2

RE: has any one seen this - 6/4/2007 4:58:39 AM   
woodnears


 

Posts: 36
Joined: 5/28/2007
From: dodge city, KS, USA
Status: offline 		almost just a little longer tail. that is mighty cool though.

(in reply to The Internet Killer)
       Post #: 3

RE: has any one seen this - 6/4/2007 2:00:02 PM   
Montague



Posts: 4632
Joined: 4/19/2002
From: Laurel, MD,
Status: offline 		Have you flown that? By eye, I think the CG for that wing is going to need to be somewhere about at the LE of the center section or slightly ahead of there.

If you flew it, where was the CG?


_____________________________

Kirk Montague Adams
RCCA 560

(in reply to woodnears)
       Post #: 4

RE: has any one seen this - 6/4/2007 5:38:07 PM   
The Internet Killer


 

Posts: 222
Joined: 8/21/2005
From: Ferndale, WA, USA
Status: offline 		Dang Sir !!!, you have a good eye, LOL.

On paper as I recall ( it was 2 years ago) that is where it
would be, at the LE of the centre section to 1 " ahead of there.
May try to fly it next year, it is just a test bed, span is approx
64 inches and weight 12.2 oz.

_____________________________

Hindsight is an exact science.

(in reply to Montague)
       Post #: 5

RE: has any one seen this - 6/4/2007 5:44:49 PM   
Montague



Posts: 4632
Joined: 4/19/2002
From: Laurel, MD,
Status: offline 		Been doing this a while, I have.

(and I toyed with a forward swept wing once upon a time. I never finished or flew it though, since it was apparent that in my case, the structural issues weren't worth solving. But I did calc out the CG and such, and the fuse mods to make it work were another reason the plane never flew. I could have built a new fuse design, of course, but I just figured the structure wasn't going to hold together well enough anyway.

I'm really curious to see how your's flys. Espeically if you get in to a power dive with a sharp pull-out. Foward swept wings have a tendancy to twist tip-up, which increases lift, which causes more twisting, which continues until either you snaproll or you snapwing.


_____________________________

Kirk Montague Adams
RCCA 560

(in reply to The Internet Killer)
       Post #: 6

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