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Author Topic: Wing Construction  (Read 2065 times)

Offline Oregon_Flyer

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Wing Construction
« on: March 11, 2006, 09:35:20 AM »
Just received my Urtnoski Cardinal/Evolution Plans and must say they are nice and crisp.  The wing uses 1/16 ribs, 1/4'x1/4" top and bottom centered spars.  The first 3" of the LE surface top and bottom are sheeted and the 2" top and bottom of the TE are also sheeted. All ribs are capped and the ends of the open bays are filleted. The wing tips are hollowed block balsa.  The WS is 54" and will be powered by an OS fp 40. I am wondering if it would not be a good idea to stiffen the wings by backing the spars with CF or perhaps X bracing the ribs between the spars.  All tips and thoughts sure would be appreciated.

Thanks

Marv
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Offline Leester

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Re: Wing Construction
« Reply #1 on: March 11, 2006, 03:19:26 PM »
If your worried about it just put balsa sheer webs in or email Windy. I've got the 60 version but I also got the 2 tape set on construction of the wing and fus. I haven't watched them yet but they usually give you all the tips you'll need.
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Offline Bill Little

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Re: Wing Construction
« Reply #2 on: March 11, 2006, 05:18:47 PM »
Quote from: Oregon_Flyer on March 11, 2006, 09:35:20 AM
Just received my Urtnoski Cardinal/Evolution Plans and must say they are nice and crisp.  The wing uses 1/16 ribs, 1/4'x1/4" top and bottom centered spars.  The first 3" of the LE surface top and bottom are sheeted and the 2" top and bottom of the TE are also sheeted. All ribs are capped and the ends of the open bays are filleted. The wing tips are hollowed block balsa.  The WS is 54" and will be powered by an OS fp 40. I am wondering if it would not be a good idea to stiffen the wings by backing the spars with CF or perhaps X bracing the ribs between the spars.  All tips and thoughts sure would be appreciated.

Thanks

Hi Marv,

If the construction is the same, or close to, the .60 size Cardinal, it is plenty strong.

Adding vertical webs as Leester suggests can easily be done.  I would rather add a 1/4"X1/16th upright on the side of the rib between the spar slots.  This, with a ply, spruce, or basswood BC mount which serves as a tension spar is more than enough for that size plane, IMHO.
Marv
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Big Bear <><

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Offline Oregon_Flyer

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Re: Wing Construction
« Reply #3 on: March 11, 2006, 07:50:16 PM »
Bill, Leester,

Thanks guys, I just needed some pro's to provide me with the proper
guidance and knew this was the place. 
Oh, Bill, you're getting an applause even though 'Ole Riese shoulda
been nicked a bit  ;D, I mean what are friends for anyway. 

Marv (Smoter #1 fully charged now) Knowlden
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Offline SQ8s

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Re: Wing Construction
« Reply #4 on: March 12, 2006, 12:41:54 AM »
Aha,,What what time is?it?.....Breakfast?.....It's Sunday......kool I can sleep a little longer.....as long as MARV don't call...... ;D

Let see whats on this thing....
MARV>>>>Building a wing. Gee showed him four times already and STILL have to hit him in the back of the head. Boy I wish I had a beer reading this.....or a 12 gauge :D :D :D ;D ;D
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Scott Riese

Offline Oregon_Flyer

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Re: Wing Construction
« Reply #5 on: March 12, 2006, 07:31:54 AM »
Gee I though of you as my main go to guy, but now I see that
your karma is a little low and with my super smoter fully charged
and nothing better to do, well boys and toys means somthings
gonna happen and probably sooner than never  :P  Pow!  and
oooooops missed again drat  :-X

Keep it up square knot and you'll get another smiter thingy  ;D

Marv [Proud member of the smoter patrol] Knowlden
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Offline Bill Little

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Re: Wing Construction
« Reply #6 on: March 12, 2006, 08:04:55 AM »
Look out, Marv,
Old Scottie Boy just might have you building a wing that folds up on the reverse wing over if you ain't careful!   He's a sly one Mr. Marv.
LOL!!!!!!!!!!  :o ;D ;D ;D ;D ;D
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Big Bear <><

Aberdeen, NC

James Hylton Motorsports/NASCAR/ARCA

AMA 95351 (got one of my old numbers back! ;D )

Trying to get by

Offline Oregon_Flyer

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Re: Wing Construction
« Reply #7 on: March 12, 2006, 04:42:09 PM »
Not to worry Bill, knew I could count on you to keep a keen
eye on 'ol Riese  :P  Grasshopper <snicker> does not yet understand the
power of these smotes our smiters can deliver.  Since you are
one of the good guys, Pow!  hows that Karma now?  Better  :-*

Marv [ gang member in good standing of the Smoter's] Knowlden
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Offline Oregon_Flyer

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Re: Wing Construction
« Reply #8 on: March 12, 2006, 04:43:25 PM »
Not to worry Bill, knew I could count on you to keep a keen
eye on 'ol Riese  :P  Grasshopper <snicker> does not yet understand the
power of these smotes our smiters can deliver.  Since you are
one of the good guys, Pow!  hows that Karma now?  Better  :-*

Marv [ gang member in good standing of the Smoter's] Knowlden
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Offline SQ8s

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Re: Wing Construction
« Reply #9 on: March 16, 2006, 06:39:33 PM »
Oh the next time you come over..I give you some tapes on how to do it........Make a wing!!!!....Dirty old man ;D
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Scott Riese

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