Forum: SparTalk
03-16-2010, 05:18 AM
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Replies: 6
Views: 14,204
Which 8-plait/chain splice?
About to make up a couple of anchor rodes in G4 and 8-plait and reviewing splicing instructions. I find two basic methods. One tucks back into the rope and the other weaves up the chain. The rope...
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Forum: SparTalk
02-02-2010, 05:26 AM
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Replies: 10
Views: 9,538
I'm not sure composite chainplates could be...
I'm not sure composite chainplates could be retrofitted the way mine are made. They were planned from the start with fan shaped recesses in the topside core. Before the deck was laid a solid FRP...
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Forum: SparTalk
01-18-2010, 05:38 AM
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Replies: 3
Views: 7,595
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Forum: SparTalk
12-29-2009, 01:23 PM
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Replies: 9
Views: 8,224
Dynex Dux being a plastic it will creep some...
Dynex Dux being a plastic it will creep some under any load but it can be controlled if properly sized. My 8 month testing of some 9mm seems to indicate that creep is insignificant below about 7-8%...
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Forum: SparTalk
12-20-2009, 02:57 PM
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Replies: 10
Views: 9,538
Thank you gentlemen. I was over thinking the...
Thank you gentlemen. I was over thinking the problem.
BTW. I am putting the finishing touches on my report on a year of testing a piece of 9mm Dynex Dux under more or less controlled conditions...
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Forum: SparTalk
12-18-2009, 03:29 PM
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Replies: 10
Views: 9,538
Tying off a deadeye lanyard?
I have been thinking through the idea of using deadeyes and lanyards instead of turnbuckles and hit a snag.
Say you have run the lanyard to a winch to get the shroud tension just right. Now,...
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Forum: SparTalk
12-15-2009, 06:21 AM
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Replies: 5
Views: 4,582
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Forum: SparTalk
12-01-2009, 08:17 PM
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Replies: 9
Views: 10,155
I don't believe i would use Dynex Dux inside a...
I don't believe i would use Dynex Dux inside a roller furling foil unless the foil was supplied with fixed bearings to keep the foil off the Dynex. I have been torturing a length of 9mm for the...
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Forum: SparTalk
11-27-2009, 05:33 AM
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Replies: 4
Views: 3,715
The round thimble worked great.
I was probably over thinking the problem. Spliced a ring on the control line and it solved the problem. Now I can get back to work on the boat. :-)
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Forum: SparTalk
11-19-2009, 03:45 PM
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Replies: 4
Views: 3,715
Not about boats unfortunately.
We are lowering and retrieving a 1,000 kg package of geophysical instruments into a cave. Total hoist is about 30 M. We have rigged a block on an A frame out over the top ledge but there is a shelf...
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Forum: SparTalk
11-17-2009, 07:47 PM
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Replies: 4
Views: 3,715
Splicing a Y in 12 strand?
What sort of splice would be best to splice a length of 9mm Dyneema 12 strand into the standing part of some 12mm? The primary load will be on the 12mm and the 9mm serves as a position control. I...
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Forum: SparTalk
01-11-2009, 05:44 AM
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Replies: 5
Views: 5,001
Dynex Dux creep test
Well, after almost 2 months at 2,000 lb load at 80F on my 9mm sample I have almost nothing to report. .01" difference in the 24" gauge length. I just boosted it to 4,000 lb and will keep it there...
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Forum: SparTalk
11-17-2008, 09:33 AM
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Replies: 5
Views: 5,001
Dynex Dux redux
I have finally started some quantitative testing on a sample of 9mm Dynex Dux that John at Colligo sent me. I have not completed the creep test but the dynamic stretch figures are in. I am getting...
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Forum: SparTalk
09-13-2008, 06:00 AM
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Replies: 7
Views: 4,645
The hull is cedar strip/composite. Designed by...
The hull is cedar strip/composite. Designed by John Fox and based on a de-tuned Nelson Marek 46. Builder is yours truly and currently in my backyard here in Georgia. Expected launch date Summer...
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Forum: SparTalk
09-11-2008, 09:59 AM
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Replies: 7
Views: 4,645
Sorry for the delay. The mast has not been...
Sorry for the delay. The mast has not been ordered yet. I want to make a final decision on the standing rigging before I commit so other than the composite chainplates (2 for V1 &V2 and 1 for D1)...
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Forum: SparTalk
09-05-2008, 08:03 PM
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Replies: 7
Views: 4,645
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Forum: SparTalk
09-04-2008, 11:03 PM
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Replies: 7
Views: 4,645
Should I use Dynex Dux?
Until about a week ago I was sold on going to Dynex Dux standing rigging for my 45' monohull but I have had three different riggers trying to talk me out of it. From what I have found so far I think...
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Forum: SparTalk
09-03-2008, 10:59 AM
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Replies: 4
Views: 4,173
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Forum: SparTalk
08-10-2008, 07:59 PM
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Replies: 3
Views: 3,359
make sure you run some numbers on the loads...
make sure you run some numbers on the loads involved and do not just take the sizes of the original wires
I have just spent the weekend with Mssrs. Larsson and Eliasson and it is easy to see how...
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Forum: SparTalk
08-10-2008, 08:31 AM
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Replies: 3
Views: 3,359
Synthetic shrouds on a 3 spreader rig?
Dynex Dux is looking more and more attractive to me but it looks like it has to be continuous rigged. I am not sure how I could rig a 3 spreader mast with it. I have chain plates for D1, V1 & V2...
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