Wanted: Used wings for sale????

[Chubby_cubby]

Anyone have a spare set of wings hanging out in their shop, or know someone that does…?

I have a thread on the forum concerning stitching my existing experimental wings but building up another set seems prudent.

Let me know.

 

[aktango58]

Anyone have a spare set of wings hanging out in their shop, or know someone that does…?

I have a thread on the forum concerning stitching my existing experimental wings but building up another set seems prudent.

Let me know.

Maybe, possibly, a little more description on what wings you might need? Flaps? Champ? Clipped?

 

[Chubby_cubby]

I have an experimental version of the PA-14 - basically a 4 place SuperCub if that makes sense. The original builder choose NOT to rib-stitch the wings and opted for glue only. I'm fine with them for right now... but ultimately I want a 'typical' Supercub wing. My thought is to find a set... work on them in my shop, which will allow me to continue to fly my experimental... Once the new wings are ready to install, I could then swap them out.

 

[Charlie Longley]

Didn't that kill some EAA guy a few years ago?

 

[skywagon8a]

Didn't that kill some EAA guy a few years ago?

He wasn't just some EAA guy, he was a famous old time race pilot. https://en.wikipedia.org/wiki/Steve_Wittman

 

[larrym]

I believe his accident was a mixing of recovering methods on the aileron - not the lack of rib stitching....
my recall, not necessarily factual.

The Avid Flying had wide rib caps that had the fabric glued to with no stitching required. ...

 

[Steve Pierce]

The fabric separated from the plywood skin. Was found that he mixed fabric systems and they did not have the same adhesion qualities.

Plenty of airplanes are not rib stitched but simply glued to the ribs especially wood ribs. My dad built a KitFox Model III that was that way in the early 90s. Oratex is doing that on Super Cub wings via and STC and wood cap strips. Rick Papp's was at Oshkosh this past year.

 

[Chubby_cubby]

I don't think I would have started toward acquiring a 2nd set of wings to rib-stitch if the original builder of my plane had simply wrapped the fabric correctly at the root rib. Everywhere else the fabric is beyond solid; however at the root rib, he just glued the fabric up to the edge of the root rib... and he didn't screw the trim securely between the wing root and the fuselage ... so as it vibrated against the fabric - it eventually let go.

 

[rsrguy3]

If I were you I'd install screws and little washers through reinforcement tape at the same interval as rib lacing. Top and bottom then use oratex finishing tapes to cover and protect

 

[Chubby_cubby]

If I were you I'd install screws and little washers through reinforcement tape at the same interval as rib lacing. Top and bottom then use oratex finishing tapes to cover and protect

Thanks for responding... My only concerning would be negatively affecting the integrity of the 1/4" ribs with screws in them. Is that not a concern?

 

[skywagon8a]

Thanks for responding... My only concerning would be negatively affecting the integrity of the 1/4" ribs with screws in them. Is that not a concern?

That is generally not done due to the risk of splitting the wood and losing any structural integrity. You will see screws or pop rivets in stamped aluminum ribs.

 

[cubdriver2]

If I remember correctly Steve Wittman was a cotton and dope guy most of his life. He was also one of the best aircraft designers and builder of racing aircraft for many years. He won against the big money racers on a shoestrings budget time and time again. When he built the O&O Special ( Oshkosh to Ocala ) it had a plywood sheeted wing. Cotton is absorbent so normal practice was to install the cotton fabric and shrink it and then paint the dope on top of the fabric. It would soak thru the absorbent cotton bonding it to the plywood below. The O&O was Steve's first time use of Ceconite which is Dacron fabric and non-absorbent. He should have built up a couple coats of dope on the plywood before installing the Ceconite fabric. That way when he top coated it with dope it would have soaked down between the weave of the fabric encapsulating the Dacron fabric between the top and bottom coats of dope. But he installed it the same way as cotton. He probably would have gotten away with it if he hadn't built an aircraft capable of 300mph

 

[Chubby_cubby]

Carmen (my plane - named after my mom) won't get close to 300 hahaha... if she gets up to 110 or 120 I'm lucky.