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29er Jib dimensions |
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Granite 
Far too distracted from work 
Joined: 12 May 04 Location: Scotland Online Status: Offline Posts: 476 |
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 Topic: 29er Jib dimensionsPosted: 10 Apr 18 at 3:28pm |
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Hi,
Just wondering if anyone knows the size 29er jib? I am particularly interested in the length of the foot, and also how long the self tacker track is. |
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If it doesn't break it's too heavy; if it does it wasn't built right
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Posted: 12 Apr 18 at 9:39am |
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As the sails are one design i don't think anyone will have measurements, unless they can and measure a boat for you.
Might be best dropping Ovington an email. You trying to the put the jib setup on another boat?
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Granite
Far too distracted from work
Joined: 12 May 04 Location: Scotland Online Status: Offline Posts: 476 |
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Posted: 12 Apr 18 at 10:45am |
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Hi, Thinking of using it on a Cherub. Price and lead times for pre-bent track are high, so I thought a 29er one might work as they are not to dissimilar in size.
I called Ovingtons but they did not know the length, and told me they are supplied straight anyway so not ideal. I know the tracks are soft and can be bent by hand but it is hard to do it without getting small kinks at the holes. |
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Posted: 12 Apr 18 at 11:13am |
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The 29er track is very bendy, they are supplied straight and take on the shape as they are screwed down. If your jib track is free standing (bolted either end and possibly secured in the middle) then a 49er or RS800 track may be better.
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Granite
Far too distracted from work
Joined: 12 May 04 Location: Scotland Online Status: Offline Posts: 476 |
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Posted: 12 Apr 18 at 11:31am |
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Thanks,
There is a support for the full length of the track so I could go the 29er route, or another small soft track like the ronstan one. The difficulty with pulling it into position is marking the holes so they line up once it is bent, would probably have to make a card template and transfer using that. I had looked at the RS800 one but it is about three times the price. |
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Posted: 12 Apr 18 at 11:58am |
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Do you have holes already in the deck that you need to match up to track? It might be easier to fill any old holes then drill and screw as you go along from one side to another.
The 29ers have gone through a few different suppliers for jib track and car. Use to be ronstan (freddy), then harken and I think they're on holt or allen now.
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Jack Sparrow
Really should get out more 
Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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Posted: 12 Apr 18 at 12:21pm |
Surely clamping down to your track bed, would solve this (G-Clamp, Trigger Clamps etc). Then drill holes? Or does the track bed have a compound curve?
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Granite
Far too distracted from work
Joined: 12 May 04 Location: Scotland Online Status: Offline Posts: 476 |
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Posted: 13 Apr 18 at 12:45pm |
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There are no holes currently, just the support.
 I think that it needs to have bolts in the holes when the track is bent to avoid it kinking at the bolt holes. I could use the pulling in technique but would need to transfer the bent hole positions across to the boat before bendint the track. alternativly I would fit bolts in all the holes and bend it by hand or with clamps |
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Posted: 13 Apr 18 at 1:15pm |
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Radius doesn't look very tight. I doubt you'l get kinking at the holes. Certainly looks a wider radius than the 29er track, and I never had a problem screwing that down from straight.
I'd just work from one side to the other, drilling and screwing down as you go.
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JimC
Really should get out more
Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6662 |
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Posted: 13 Apr 18 at 1:27pm |
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Would it be worth cutting some narrow strips of ply the length of the track and using them as a tool to pull it down? Presumably you're going to have a hole each side of the centreline which would be straightforward to locate. If you pulled down on those and then clamp it in place and get the bend sorted out you could then mark the rest of the holes from the track in position.
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