Yar- but the Dogbone side is on an even radius (half circle). So regardless of the angle you're coming off them the stress/abrasion should be the same.
Unless you're doing something extreme you're only going to be about 5-10 degree difference so I don't see that being a problem or any more abrasion than normal.
"I am more worried at abrasion on the metal tips of the poles, since the hardware there larksheaded to the dogbones is coming at a steeper angle with the pole tip."
The pole tips thing is throwing me off and not being familiar with carbon poles maybe that's what I'm missing? Carbon is a larger diameter pole and you think that the new angle will cause them to interfere with each other?
If you're thinking that the metal bridge clip itself will now be at a narrower angle (not sitting squarely on the pole) I can't really comment.
I would think that the forces would be mostly equal still- so the pole should force the metal clip flat to itself- but I'm not sure. It could very well be torqued enough that it only bears on the dogbone side of the metal clip.
On an aluminum pole- the pole tip does a good job transferring forces to the pole shaft and I'd say not to worry about it. I know that can be an issue with carbon poles but I don't know enough about them to say.
To be honest- I used hardware I made on only 2 or 3 of my end bar bridges but after that I learned the trick about just larks heading the dogbone right to the webbing loop (no hardware) so the end bar bridges I built went around that issue.
It looks like there is enough slack in the webbing loops that you could attempt to bi-pass the hardware itself without having to remove it?
I'm not sure if that would put the bar too close to the end caps but that would be the work around... when you seat the poles directly in the dogbone then you get full load bearing contact at any angle.
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