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Elevator / Rudder Gap Seal

PostPosted: Sun Sep 03, 2017 5:14 pm
by FredHoffman
Any pictures of Gap seals on elevator and rudder or good ideas ? I saw Cub Crafters sells an extruded foam piece to stuff in the gap. Also saw one like it on Aircraft Spruce for a Pitts. Both look pretty slick but the Highlander tubes are smaller diameter.

Fred

Re: Elevator / Rudder Gap Seal

PostPosted: Sun Sep 03, 2017 7:51 pm
by danerazz
I had considered trying to get a company to make a custom foam extrusion but got sidetracked by other stuff. I have seen several planes with tape gap seals. I think there is a discussion on the forum about this already.

Re: Elevator / Rudder Gap Seal

PostPosted: Mon Sep 04, 2017 8:16 am
by BucF16
I had the gap seals that are offered in Spruce on 2 Pitts and my Eagle II. They worked great. When I get my Highlander covered, I'll measure the clearance. If it's with-in reason, I use that method.

Cheers,
Bruce

Re: Elevator / Rudder Gap Seal

PostPosted: Mon Sep 04, 2017 9:10 am
by FredHoffman
I'm going to order a piece from aircraft spruce to see how it fits. I took some measurements and I thought about having it snug to the stab and taped on top and bottom with 3M abrasion tape. I think this would most likely lead to a 1/8" inch clearance gap at the leading edge of the elevator. Might be better as there will be no rubbing/ abrasion wearing through the paint and fabric which seemed to be a concern on the Cub forums.

Re: Elevator / Rudder Gap Seal

PostPosted: Mon Sep 04, 2017 11:01 am
by danerazz
If you put anti-abrasion tape on the elevator and stab then insert the foam I would think you could minimize the chaffing. I had considered a somewhat stiff plastic attached to the horizontal stab that would lay on the elevator and slide on some abrasion tape or even a strip of foil tape. Or even a piece of piano hinge only attached on one side to the horizontal and allowed to flex/slide on the elevator.

Re: Elevator / Rudder Gap Seal

PostPosted: Mon Sep 04, 2017 11:12 am
by danerazz
I just found this, I know what he is talking about, it is really stretchy.

https://m.youtube.com/watch?v=HL66xIS008Q

Re: Elevator / Rudder Gap Seal

PostPosted: Mon Sep 04, 2017 6:10 pm
by bluemax
Here is another source for gap seals:

http://wingsandwheels.com/tapes-seals.html