Bending all the little fairings?

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Bending all the little fairings?

Postby 13brv3 » Sun Dec 05, 2021 10:17 pm

Greetings,

I'm curious how everyone is bending all those little fairings. I'm assuming they're pretty common for all the models, but mine is a Onex if that matters. I'm talking about the fairings for the rudder cable, tailwheel spring, ailerons, etc. They seem to be supplied as flat sheets, and mostly require pretty tight bends. If I try to bend them by hand, it's going to get ugly :-) Honestly, I'm thinking of 3D printing them.

Thanks,
Rusty
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Re: Bending all the little fairings?

Postby WesRagle » Sun Dec 05, 2021 10:51 pm

Hi Rusty,

I cut out the pattern, bent the flanges, clamped a (skinny) broom stick down the center, and bent them around the broom stick. After that I beat on the tips a little with a dead blow to get a better fit. Then I bent them some by hand to get the width I wanted. I bought the rudder cable fairings.

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Good Luck,

Wes
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Re: Bending all the little fairings?

Postby Bryan Cotton » Sun Dec 05, 2021 11:32 pm

I annealed mine. Makes it a lot easier to work the metal.
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viewtopic.php?f=39&t=578&start=1020

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viewtopic.php?f=39&t=578&start=1030

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Re: Bending all the little fairings?

Postby Spaceman » Mon Dec 06, 2021 1:19 am

The B-model versions of those little fairings are just pre-formed plastic pieces, so if you don't want to make them you could probably just buy those from Sonex
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Re: Bending all the little fairings?

Postby 13brv3 » Mon Dec 06, 2021 1:22 am

Annealing is probably a good idea. I might just buy the aluminum that way to save having to heat it.

Wes, where did you buy the rudder cable fairings? I bought some plastic ones, but they're not quite the right size. I drew them up in CAD and have them ready to 3D print, but haven't had time to print them yet. 3D printing is slow, and really annoying to listen to

The empennage fairing is the only one I consider essential for first flight, so I may or may not get the rest done before it flies. it's always good to leave yourself room for improvement :-)

Rusty
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Re: Bending all the little fairings?

Postby Area 51% » Mon Dec 06, 2021 8:04 am

I got my rudder cable fairings from Aircraft Spruce.
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Re: Bending all the little fairings?

Postby 13brv3 » Mon Dec 06, 2021 8:52 am

I got the plastic ones at Spruce, but they're not quite the size I need. The others I saw weren't close to being large enough. The original owner of my project cut the slot a bit longer than needed one one side, and a bit off center on the other side. I'm guessing the cable exits didn't align with the factory marked location, but that's just a guess.
Rusty
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Re: Bending all the little fairings?

Postby GordonTurner » Mon Dec 06, 2021 12:28 pm

EB73B379-6604-4075-B667-EC61A40EB791.jpeg
Fairings installed from inside
EB73B379-6604-4075-B667-EC61A40EB791.jpeg (66.18 KiB) Viewed 2523 times


I installed the “B” model plastic fairings from the inside. Came out pretty good. I think will look fine once I cover in vinyl.
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Re: Bending all the little fairings?

Postby WesRagle » Mon Dec 06, 2021 1:17 pm

Hi Rusty,

Spaceman wrote:Wes, where did you buy the rudder cable fairings? I bought some plastic ones, but they're not quite the right size. I drew them up in CAD and have them ready to 3D print, but haven't had time to print them yet. 3D printing is slow, and really annoying to listen to


https://www.sonexaircraft.com/eshop/cart.php?target=product&product_id=17554&category_id=431
https://www.sonexaircraft.com/eshop/cart.php?target=product&product_id=17558&category_id=431

Image
Image
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Good Luck,

Wes
Wes Ragle
Onex #89
Conventional Gear
Long Tips
Hummel 2400 w/Zenith Carb
Prince P Tip 54x50
First Flight 06/23/2020
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Re: Bending all the little fairings?

Postby 13brv3 » Mon Dec 06, 2021 2:43 pm

Thanks for the replies, and links. I searched the Sonex store for fairings, but neglected to notice that there were 3 pages of them, so I never saw any of those. I'll do some more searching.

Rusty
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Onex- Rotax 912 (145 hours and counting)
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