Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

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Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby Sonex1243 » Thu Feb 18, 2016 12:17 am

Trimmed the right aileron skin tip and was wondering, after measuring 4 times before cutting, if this sight picture looks correct for the bottom skin cut. I measured the top cut line from the top skin edge to 2 37/64" at the trailing edge as depicted and the bottom line from the front view skin edge to 3 19/64", connected angled line across front face, then connected that line across the bottom to the previous 2 37/64" line at the trailing edge. Does this sound / look right :?

The dotted line would be a straight / square 3 19/64" line which would be way off at the trailing edge.

Image
Ken S
SONEX #1243 N424SX (reserved)
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Re: Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby peter anson » Thu Feb 18, 2016 7:19 am

Hi Ken, can I suggest you post a bigger photo. We're mostly old guys y'know.

Peter
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Re: Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby Bryan Cotton » Thu Feb 18, 2016 8:40 am

Ken,
I don't have the plans in front of me. Still I don't remember any lines on the aileron tip being square to the chord line. Did you expect one to be? Check the print again.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
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Re: Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby Sonex1243 » Thu Feb 18, 2016 11:11 am

Hi Peter, I tried an original picture , but, it was kicked back. I normally use the postimage.org site. Is there a better way to post larger pictures, like resizing the original somehow?

Bryan, I initially thought that bottom line was square and drew it as such. Caught it on the 2nd+ measurement verifications since it wouldn't line up at the trailing edge mark leading me to believe it was wrong! Re-marked line and cut to line up at trailing edge.

As a sanity check, I also set the skin across the right wing hinge / spar (fiberglass tip not fit yet) and it tapers right / aligns with top skin, but, I will need to do a little more trimming to get that angle and bottom edge to line up with the rear spar taper and lower skin line before fitting the tip rib.
Ken S
SONEX #1243 N424SX (reserved)
Tail complete, wings done
Fuselage on gear
Jab 3300 received!
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Re: Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby kevinh » Thu Feb 18, 2016 4:24 pm

Just to answer your question on image hosting: http://imgur.com is a better hosting site. They will also nicely provide scaled image URLs you can use (small, med, large).
Taildragger Waiex in progress, tail done, wings done, about to mate wings to fuse,
then cowl, canopy, paint (photos): flush rivets, turbo aerovee, acro ailerons
(I built my RV7A and happily flew it for about 500 hrs)
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Re: Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby Rynoth » Thu Feb 18, 2016 5:01 pm

Here's a pic of mine. It's not the same camera angle as yours. I don't have plans in front of me, but I do feel like the cut on the bottom skin does angle out slightly.

Image
Ryan Roth
N197RR - Waiex #197 (Turbo Aerovee Taildragger)
Knoxville, TN (Hangar at KRKW)
My project blog: http://www.rynoth.com/wordpress/waiex/
Time-lapse video of my build: https://www.youtube.com/watch?v=Q8QTd2HoyAM
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Re: Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby Sonex1243 » Thu Feb 18, 2016 6:46 pm

Thanks for the tip Kevin.

Ryan, looks like the cut I made. Guess I got it right!

[img[http://s5.postimg.org/v1s4g1qdz/IMG_0940.jpg[img]
the markings I used.

photo re-sizing test
Ken S
SONEX #1243 N424SX (reserved)
Tail complete, wings done
Fuselage on gear
Jab 3300 received!
Sonex1243
 
Posts: 310
Joined: Thu Jan 08, 2015 4:59 pm

Re: Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby Sonex1243 » Thu Feb 18, 2016 6:51 pm

Success, got the cuts right.
Image
Ken S
SONEX #1243 N424SX (reserved)
Tail complete, wings done
Fuselage on gear
Jab 3300 received!
Sonex1243
 
Posts: 310
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Re: Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby Bryan Cotton » Thu Feb 18, 2016 8:08 pm

Ken,
If it is any help, my aileron adventures are documented starting page 52 of my thread:
viewtopic.php?f=39&t=578&start=510
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
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Bryan Cotton
 
Posts: 5035
Joined: Mon Jul 01, 2013 9:54 pm
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Re: Aerobatic aileron (SNX-W26) skin tip trimmed correctly??

Postby Sonex1243 » Fri Feb 19, 2016 9:05 pm

Thanks Bryan;
Looking at your cuts and Ryan's, I have done mine correctly. A picture goes a long way in clearing up confusion of the dimensions and angles. Thanks for the help :oops:
Ken S
SONEX #1243 N424SX (reserved)
Tail complete, wings done
Fuselage on gear
Jab 3300 received!
Sonex1243
 
Posts: 310
Joined: Thu Jan 08, 2015 4:59 pm


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