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-   -   Folding Wing RV-4 (https://vansairforce.net/community/showthread.php?t=81903)

WAM120RV 01-28-2012 12:32 PM

Odd!
 
I wonder if its still aerobatic?

Also there is something odd in the rear canopy.

Do you have a link for where this is, I could not find it on BStormers.

RV8R999 01-28-2012 12:48 PM

Did he split the flap as well or does the -4 flap stop short of the ailerons where he folds the wing? What about the fuel tank?

Snowflake 01-28-2012 01:03 PM

Quote:

Originally Posted by gasman (Post 622751)
Just doesn't look like it will fit back into that hangar.

That was my first thought too.

Wing folding mechanisms aren't really all that difficult... They do always add weight, though.

Here's the link to the ad, with more photos.

Look like the owner has used Sika or Proseal to bond in a plexi panel behind the passenger's head... Maybe stopping drafts?

WingsOnWheels 01-29-2012 12:05 AM

It would be great if Vans could off a mod to make the RV with folding wings like the Mustang II. I like the RV better, but the folding wings on the mustange are very cool.

newt 01-29-2012 01:09 AM

Only one wing?
 
The photo that's shot from the front shows that the flap on the folded wing is shorter than the one on the other wing.

I wonder if both wings fold, or only the port-side wing?

I also wonder if it has flown since the folding mod was performed. :D

- mark

PIN 37 01-29-2012 01:23 AM

It looks to me like only one wing folds and the flaps are definitely split, an unfinished project maybe, maybe the design intention was for both wings to fold but something interupted the project.:confused:

NickAir 01-29-2012 02:49 AM

The cool factor is high on folding wings. As with it all there will be a trade off.

Extra weight, out bound on wings.

My first thoughts: RV4 folding wings?? It only has a 23' wingspan! Why fold them?

Fun to see the photo. Very cool.

ccsmith51 01-29-2012 05:07 AM

It looks to me like both wings might fold. From the front photo you can see that there is a break in the right flap at the same station as the break in the left flap. There also appears to be some kind of a seam in the underside of the wing at that same station. On the other hand, I don't see any seam in the leading edge...

plehrke 01-29-2012 05:19 AM

Quote:

Originally Posted by gasman (Post 622751)
Just doesn't look like it will fit back into that hangar.

It would not help fit it in very many hangers I know (and especially in my hanger). Would only help in hangers with all low wing aircraft. Mine has 2 high wing airplanes so the low wing RVs fit under them.

In my opinion, no way does the precieved "cool factor" ever buy its way on an airplane espeicially for something already as cool as and RV but i do love the rules in E-AB that let people try these kind of things. Makes going to OSH fun to see what others have tried (do not get to see much at OSH what others have failed trying)

szicree 01-29-2012 09:25 AM

Deja Vu
 
This same aircraft was discussed on VAF several years ago:

http://www.vansairforce.com/communit...ing+wings+rv-4


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