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Cable Brace geometry on a Sub-70kg ultralight

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Blackburn Mark

Well-Known Member
Joined
Sep 17, 2020
Messages
112
On the off-chance that there are still some builders with cable-brace experience:

I'm looking to depart slightly from what seems to be convectional rigging geometry in order to place the load and bearing members closer together....
The build is already started so will require some re-work to implement the change.

Bracing B2.jpg
Position (A) was my original flying wire termination position and is a copy from a similar design.
Position (B) looks to my eyes to offer some load path advantages, the bulk of the mass (pilot) would not be as reliant on paths needing to be in amplified tension.

Bracing B3.jpg
Drag / Anti drag geometry seems to be a little more balanced than the original.

Despite the forward flying wires looking oddly vertical I am reasonably confident in the change and may make the swap (despite having to re-work some of the fabrication already completed) UNLESS someone on here spots an error that I am missing and can talk me out of it.

Does anyone actually build cable braced aircraft anymore?
I am assuming its an almost dead art.
 
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