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How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

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faklord
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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby faklord » Tue Jul 24, 2018 7:56 pm

Another option is to use a replaceable bar insert eg https://shop.thekitesurfcentre.com/nort ... 5323-p.asp (I have done this in the past on a bar with a worn ally center piece - just ground the hole out big enough and set the insert in epoxy)
If you don’t think there is enough material to safely cut out the hole, you can always add another sleeve on the outside of the bar.

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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby TomW » Wed Jul 25, 2018 10:04 am

The difficulty of using a center insert like that on homemade CF tube/bar is that the insert requires the removal of too much of the tube, weakening the center.
You can see that north added thickness to the bar to compensate. Of course, you could wrap your CF bar with extra layers of CF or glass in the middle - but it makes it more complicated.

My thought is that if you are going to trouble to make bar and rig it ( you have learned to do a locking eye splice) its really easy to make a new CL line if it wears out. The 4-5mm dyneema line only costs 3€ a meter.

Ive used my franken bar a few times now- with the 2mm foam grip its really nice- My CL hole is 8mm+ diameter, and with the 4mm CL dyneema line theres a lot of " slop" of bar around CL line when flying- I´d like to tighten that up on next bar.
I´ll make hole smaller all-around.

phuqit
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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby phuqit » Wed Jul 25, 2018 10:51 am

Image

What about using a nylon sleeve for the center line? I had a cabrinha bar, and while it was thick and not that comfy, I liked their center line solution a lot:

haare
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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby haare » Wed Jul 25, 2018 3:46 pm

SalmonSlayer wrote:
Tue Jul 24, 2018 7:25 pm
haare wrote:
Tue Jul 24, 2018 6:55 pm
Other option is nylon rod but that might be difficult to drill big holes (it will melt)
I think I would run water on the hole while drilling the nylon if melting is an issue.


Thx again for your response

Paul
yep. thats why I bought both. Those are dirt cheap in china

haare
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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby haare » Wed Jul 25, 2018 3:47 pm

faklord wrote:
Tue Jul 24, 2018 7:56 pm
Another option is to use a replaceable bar insert eg https://shop.thekitesurfcentre.com/nort ... 5323-p.asp (I have done this in the past on a bar with a worn ally center piece - just ground the hole out big enough and set the insert in epoxy)
If you don’t think there is enough material to safely cut out the hole, you can always add another sleeve on the outside of the bar.
yep. it is quite tricky to make and reinforce hole that size...

phuqit
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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby phuqit » Fri Jul 27, 2018 11:59 am

https://www.youtube.com/watch?time_cont ... 80SSTMOwdo

simplistic solution to bar size change :)

Jyoder
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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby Jyoder » Tue Jul 31, 2018 9:26 pm

Well my China-sourced items have started to arrive and i’m starting on my bar. I’m thinking i’ll use the low friction ring epoxied to carbon tube with some carbon tow wrapped around. I sanded down the ring on belt sander and finished with paper and broom handle to get a good fit.

QR is old flysurfer leash QR on some 7/64th Amsteel. I’m going trimless and flagless. Bought some Jerry Brown line one 500# lines to top it off. Total about $100 so far.
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Jyoder
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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby Jyoder » Wed Aug 01, 2018 1:53 pm

Turned out well for first attempt. Wrapping the low friction ring to the bar took at few trial and error attempts but 30 min epoxy pot life helped. Made kind of a mess. I drilled holes and epoxied a bit of poly tubing in bar ends to run rear leaders through. I’ll find some corks or rubber stoppers to make it air tight and float.

Cow for scale.
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omg
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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby omg » Wed Aug 01, 2018 2:09 pm

would that ring connection to the bar really hold if you loose the bar and it hits the stopper?

Jyoder
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Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

Postby Jyoder » Wed Aug 01, 2018 5:23 pm

Yes, bearing in mind I have a long long bar throw and am only freeride foiling in light wind with it.


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