Laser 161752 Tynemouth |
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Laser 28 - Excellent example of this great design Hamble le rice |
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Laser 140101 Tynemouth |
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List classes of boat for sale |
Rig Tension |
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NHRC ![]() Posting king ![]() Joined: 13 Dec 13 Location: Lymington Online Status: Offline Posts: 102 |
![]() ![]() ![]() ![]() Posted: 10 Feb 15 at 12:16am |
Higher modulus
You won't see creep without a micrometer if you can splice correctly. The ultra modulus SK 99 is even more impressive. You can drop down to 2mm braided and be stronger than Dyform wire and with no creep, IF YOU SPLICE CORRECTLY.
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Daniel Holman ![]() Really should get out more ![]() Joined: 17 Nov 08 Online Status: Offline Posts: 997 |
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What about the constructional creep? I.e. bedding in of the braiding? Even the pre stretched 78 max bedded in loads the first time it was used and even with massive bury - don't think they were bad splices.
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Woodbotherer ![]() Posting king ![]() ![]() Joined: 11 Dec 14 Online Status: Offline Posts: 192 |
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So, as an aside and I came into this game being instructed to put massive rig tension on at all times (Musto Skiff) I now hold the opposite view and have my own theories, but can someone explain to me how it was the Blaze rig is so much faster being sloppy shrouded?
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Chris 249 ![]() Really should get out more ![]() ![]() Joined: 10 May 04 Online Status: Offline Posts: 2041 |
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Where's the emoticon for slack-jawed amazement? I've been out of the loop for such things and that seems to be amazing.
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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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A trapeze boat with conventional spreaders needs massive rig tension because the trapeze unloads the windward shrouds and reduces effectiveness of the spreaders. Indeed in extreme cases the windward shroud unloads completely and instead of the windward spreader pushing the mid mast to leeward the lee spreader is pushing the mid mast to windward. So crew gets on wire and the mast dumps all the power. A non trapeze boat doesn't have that problem, nor does a trapeze boat with diamonds rather than spreaders. |
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iiitick ![]() Far too distracted from work ![]() Joined: 04 Jun 14 Location: gb Online Status: Offline Posts: 478 |
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Going back to the beginning of this thread, why would a mirror which is presumably gunter rigged need any rig tension other than to keep the mast up?
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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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Jib luff?
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Jon711 ![]() Far too distracted from work ![]() ![]() Joined: 04 May 07 Location: United Kingdom Online Status: Offline Posts: 465 |
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The OP quoted the figures for a bermudan mast... So that figure sound about right to me, but as Rupert says will not be as important as the correct rake.. Jon |
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Blaze 711
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MerlinMags ![]() Admin Group ![]() ![]() Joined: 19 Mar 04 Location: UK, Guildford Online Status: Offline Posts: 588 |
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Another aside - when I add rig tension to my ancient Merlin, all that happens is the hull's beam reduces slightly!
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jeffers ![]() Really should get out more ![]() ![]() Joined: 29 Mar 04 Location: United Kingdom Online Status: Offline Posts: 3048 |
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And the centreboard gets harder to move?
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Paul
---------------------- D-Zero GBR 74 |
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