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  #16  
Old 06-16-2017, 06:35 PM
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Bill Welter
 
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Default Re: Nylaflow routing for Hidden Bellhorns

Right. But you already cut out the pockets in front of where the ailerons will be, so just go another 0.5" to 1" in front of that on the outboard side where your arrow is. You can always shine a light from below to see the cutout section and make sure where you are.

The two shaded areas in your diagram will be mostly sanded away later on when glassing that pocket, and the red dot looks like a good location for the conduit, want to stay in front of the pocket, not on top because that foam will be gone.

The hinges are on top of that cutout, and won't be anywhere near the conduit.
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  #17  
Old 06-19-2017, 01:34 PM
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Default Re: Nylaflow routing for Hidden Bellhorns

Follow-up: It turned out well. Starting at 4.8" aft of the shear web at the wing root (per plans), and passing 1.5" forward of the aileron tip, the straight run of conduit intersected the 1.2" line (parallel to, and fwd of, the TE) at about 5" from the wing tip. This allowed for a gentle bend to point the conduit to the future location of the hidden belhorn.

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  #18  
Old 06-19-2017, 03:49 PM
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Default Re: Nylaflow routing for Hidden Bellhorns

Good job!
The wings and winglets are a terrific motivator.
You can create large parts and make some quick progress.
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  #19  
Old 07-08-2017, 02:50 PM
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Default Re: Nylaflow routing for Hidden Bellhorns

On the topic of hidden belhorn plans, page A1 says “parts per this full scale drawing”. The page looks like it’s supposed to be printed on 8.5x14 size paper, but when I bring the PDF into CAD at that scale and trace it, the holes in the aluminum are somewhat smaller than the 3/8” and 5/16” diameters that they are labelled as. I’m not concerned about the exact size of those holes since they’re just for flox to lock into, but I want to make sure this isn’t an indication that I goofed on my overall scaling.
Could someone confirm whether or not those holes are drawn correctly when the rest of page A1 is properly scaled? Alternatively, could I get the actual length dimension of the completed belhorn?
Thanks.

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  #20  
Old 07-11-2017, 12:47 PM
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Default Re: Nylaflow routing for Hidden Bellhorns

Joe, I expected someone would have responded by now.
Let me look through my plans & parts.
I actually might have a pair of these (CG Parts) that I could part with.
I originally planned to use them for my Long-EZ but I went with the Blended Winglet instead.
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  #21  
Old 07-12-2017, 02:45 AM
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Default Re: Nylaflow routing for Hidden Bellhorns

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I actually might have a pair of these (CG Parts) that I could part with.
Cool. I just PM'd you.
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  #22  
Old 07-18-2017, 11:32 AM
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Default Re: Nylaflow routing for Hidden Bellhorns

I can't find the belhorns. Perhaps I decided on the Blended Winglets before I ordered them.

In the original plans the completed belhorn is 8.625" end to end.
The original paper size was 11 x 17 if you plan to print.
Plans are here.
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  #23  
Old 07-18-2017, 02:21 PM
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Default Re: Nylaflow routing for Hidden Bellhorns

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Originally Posted by TMann View Post
I can't find the belhorns. Perhaps I decided on the Blended Winglets before I ordered them.
Thanks for looking.

Quote:
Originally Posted by TMann View Post
In the original plans the completed belhorn is 8.625" end to end.
The original paper size was 11 x 17 if you plan to print.
Ah, this explains it. I was scaling it to the wrong paper size, so the holes were measuring too small in CAD. At 11x17, everything works out, and the end-to-end length confirms it.
Thanks for the help!

Joe
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  #24  
Old 08-28-2017, 06:50 AM
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Default Re: Nylaflow routing for Hidden Bellhorns

Is it 'kosher' to lubricate the rudder cable inside the Nylaflow conduit with graphite powder (the stuff used for locks)?

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  #25  
Old 08-28-2017, 10:04 AM
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Default Re: Nylaflow routing for Hidden Bellhorns

You could but it is not required.
I would not. If you do, stay away from petroleum based lubricants.
Graphite, spray Teflon, etc. if you must.
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  #26  
Old 08-28-2017, 10:29 AM
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Default Re: Nylaflow routing for Hidden Bellhorns

Yeah I agree with TMann... I would not. That cable moves really well inside the conduit. I think it possible (and likely) that you could add friction to the system if you start adding lubricants of any type.
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  #27  
Old 08-28-2017, 12:21 PM
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Default Re: Nylaflow routing for Hidden Bellhorns

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Originally Posted by Andrew Anunson View Post
I think it possible (and likely) that you could add friction to the system if you start adding lubricants of any type.
My big concern would be:
What happens to the ease with which the cable can travel when you fly in cold temps?
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  #28  
Old 08-28-2017, 06:03 PM
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Default Re: Nylaflow routing for Hidden Bellhorns

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My big concern would be:
What happens to the ease with which the cable can travel when you fly in cold temps?
What I had in mind was dry graphite powder. It doesn’t gum up the way oil or other liquid lubricants might, which is why it’s good for things like lock cylinders. Therefore it should be ok in cold temps. But I'm no tribologist.

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