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Re: I-20 Tramp Reair Advice [Re: Todd Berget] #124189
11/25/07 12:57 PM
11/25/07 12:57 PM
Joined: Jul 2001
Posts: 851
US Western Continental Shelf
hobiegary Offline
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US Western Continental Shelf
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One thing that may help, does anyone know how the slot is made at the factory?? Jake, you've been to the factory right?? I think understanding this will help coming up with a good repair.


Gary sheepishly raises his hand. "Um, I drove there a few times and was given a few tours."

According to the factory, the tube is a pulltruded fiberglass tube that is laid into the mold during layup. One of the final steps in building the hull is to cut the groove from the outside of the finished hull. One slip up can mess up a lot of work and this was one of the reasons that the design has been abandoned.

Another problem was the inability to source rope that would arrive from time to time, that would maintain a consistant diameter. This caused some smaller ropes to pull from the groove that was cut to accomodate earlier ropes that arrived in a slightly larger diameter.

GARY


Santa Monica Bay
Mystere 6.0 "Whisk" <--- R.I.P.
-- Have You Seen This? --
Re: I-20 Tramp Reair Advice [Re: mike220] #124190
11/25/07 01:03 PM
11/25/07 01:03 PM
Joined: Jul 2001
Posts: 851
US Western Continental Shelf
hobiegary Offline
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hobiegary  Offline
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Wouldn't the slugs concentrate the force into a 1-2 inch area and make it more likely to pull out if the slot is flexing.


He's already focusing the force on short sections by using the webbing connections between groove and tramp. To use the entire groove uniformly, he'd have to make the tramp as large as it originally was.

GARY


Santa Monica Bay
Mystere 6.0 "Whisk" <--- R.I.P.
Re: I-20 Tramp Reair Advice [Re: hobiegary] #124191
11/25/07 08:07 PM
11/25/07 08:07 PM
Joined: Oct 2002
Posts: 1,226
Atlanta
bvining Offline
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Atlanta
If are going to modify the boat, what not just create a lip out of the top half of the track and drill holes in that to loop some 1/8 amsteel through opposite each tramp loop.

Grind off the bottom half of the track to create the lip.

Way easier than reforming the track.

If the track isnt strong enough, you can add reiforcements to the bottom of the lip, it wont be seen from above and you might be able to get away with a less than perfect gel coat job.

Re: I-20 Tramp Reair Advice [Re: bvining] #124192
11/25/07 09:04 PM
11/25/07 09:04 PM
Joined: Jan 2005
Posts: 829
Charleston, SC
NCSUtrey Offline
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Charleston, SC
Here's the 3 options I see:
Ranked in order of however I feel like ranking them.

Option 1: Fill the entire slot with epoxy/filler and then put the screws into it just like the newer boats have.

Option 2: Permanently epoxy the rope in place, leaving the webbing loops exposed. This was suggested by Mischa Heemskerk to solve this problem, as well as to stop the leaks that will develop in the track.
Right TJPECO?

Option 3: Use the biggest piece of line you can get into the track for the boltrope.

Option 4: Upgrade! I've got an '06 I'll let go...

I like options 1 and 4 the most.


Trey
Re: I-20 Tramp Reair Advice [Re: NCSUtrey] #124193
11/26/07 01:44 PM
11/26/07 01:44 PM
Joined: Jul 2001
Posts: 146
Crofton, MD
Todd Berget Offline
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Todd Berget  Offline
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Joined: Jul 2001
Posts: 146
Crofton, MD
I think we have a winner here with option 1!!! that one goes under the duh, why didn't I think of that category.

way easier than trying to cut the slot out again. Tyler, just give kathy a call and i'm sure she can hook you up with the new style lacing eyes.


Todd Nacra 20 www.wrcra.org
Re: I-20 Tramp Reair Advice [Re: Todd Berget] #124194
12/07/07 12:12 AM
12/07/07 12:12 AM
Joined: Aug 2007
Posts: 1,304
Gulf Coast relocated from Cali...
TeamChums Offline
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TeamChums  Offline
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Gulf Coast relocated from Cali...
I will respond since what I did worked flawlessly. I used the slugs like Gary posted. I can get the tramp tighter than a snair drum...did I just say that? Man that sounded bad. Seriously, that's what I did and it works. The problem is in two parts: one is that the track flexes some. two is the boltrope will compress some. The slugs eliminate atleast one of the problems in a simple way.

Lee Wicklund/ Team Chums


Lee

Keyboard sailors are always faster in all conditions.
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