CarpeDiem 518 Posted August 10, 2019 Share Posted August 10, 2019 Hi all, I need to replace my top lifeline covering, it's aged and started to crack and split. As I can't replace the covering without cutting the wire, I thought now might be a good time to switch to Dyneema top lines. On other boats I have always found Dyneema life lines to suffer from abrasion and constantly needing replacement, therefore my thought was to use Dyneema inside the plastic lifeline covering. Subject to no one saying that this is a ridiculous idea (and giving a reason why) Where in Auckland (or online) can I purchase the life line covering? Thanks folks! Quote Link to post Share on other sites
S.M.U. 15 Posted August 10, 2019 Share Posted August 10, 2019 The usual product used for 4mm wire is "Fender Insert" should be available from your favourite chandlers. Be warned though, threading 4mm dyneema or such is a right pain in the neck. Quote Link to post Share on other sites
raz88 97 Posted August 10, 2019 Share Posted August 10, 2019 The usual product used for 4mm wire is "Fender Insert" should be available from your favourite chandlers. Be warned though, threading 4mm dyneema or such is a right pain in the neck.I guess you'd push a wire through and pull the dyneema. My concern would be that the cover would make visual inspection difficult. Quote Link to post Share on other sites
Bradz 20 Posted August 10, 2019 Share Posted August 10, 2019 We got ours from Dynex Extrusions on Rosebank Rd. Can't remember the product code sorry. It may well have been called "lifeline cover". Pretty sure it came in a 40m roll. Not expensive from memory. Quote Link to post Share on other sites
Chewing Gum 17 Posted August 12, 2019 Share Posted August 12, 2019 Best not to bother - just take off the plastic and leave the stainless - better for the wire. Thicker wire is better - I think it is now required for eg cat 3. Not sure of sizing. Quote Link to post Share on other sites
SanFran 15 Posted August 12, 2019 Share Posted August 12, 2019 Ouch. CG that would be likely to cut you like a cheese slicer if ur thrown against it at sea. I'd want something to really bulk up the diameter maybe around 10mm for comfort Quote Link to post Share on other sites
Dtwo 157 Posted August 12, 2019 Share Posted August 12, 2019 Read the Cat rules first, it is worthwhile. LIFELINES 17.17 The minimum diameter lifeline wire shall be: X X X R R Yachts under 8.5m (LOA) 3mm Yachts 8.5m to 13m 4mm Yachts over 13m 5mm Wire manufactured with a plastic coating shall not be used. Grade 316 Stainless Wire is recommended – 1x19. Tape unacceptable. If fibre used instead of wire e.g. single braided dyneema, spectra, vectran, dynex or similar, there can be no tolerance for wear. Material must be protected from U.V. and chafe by a sheath. Sheath can be taken as an overbraided core over the main load member of the same material or another type of material. The strength of the fibre must be equal to or greater than that of the appropriate stainless steel wire. The wire shall show no significant signs of corrosion or weathering. When plastic tubing has been used it should be cut at its lowest point to allow any water to drain. Quote Link to post Share on other sites
Clipper 369 Posted August 12, 2019 Share Posted August 12, 2019 I have 4mm sheathed dyneema on my top lifelines. Its awesome. No chafe issues, care needs to be taken through stantions. My lower is still wire due to inability to protect from chafe through stantions Quote Link to post Share on other sites
Ex Machina 384 Posted August 13, 2019 Share Posted August 13, 2019 Same as clipper and the bonus with dyneema is its easy to take it off to replace/fit foam tube to top life line Quote Link to post Share on other sites
Sudden5869 17 Posted August 14, 2019 Share Posted August 14, 2019 Yip. I've mentioned this before... lifelines on Oliver are now Dyneema "Supercable" Perhaps ask the guys at Chain Ropes and Anchors to splice to the correct length. It's small and very tricky. Light weight. Easy on the Hands. And the best bit is; if the lifelines need to be removed to maintain stanchions, simply pull the line through. No cutting swaged wire rope... Quote Link to post Share on other sites
El Toro 110 Posted August 14, 2019 Share Posted August 14, 2019 Results of leg vs lifelines... Quote Link to post Share on other sites
El Toro 110 Posted August 14, 2019 Share Posted August 14, 2019 And a really pissed off wife from memory.... Quote Link to post Share on other sites
Island Time 1,288 Posted August 14, 2019 Share Posted August 14, 2019 och!! Quote Link to post Share on other sites
mcp 34 Posted August 14, 2019 Share Posted August 14, 2019 I have 4mm sheathed dyneema on my top lifelines. Its awesome. No chafe issues, care needs to be taken through stantions. My lower is still wire due to inability to protect from chafe through stantions Same as clipper and the bonus with dyneema is its easy to take it off to replace/fit foam tube to top life line Do you guys have some pictures of the product and how it goes through the life lines? I'm just about to do this myself and am undecided about sticking with stainless or going synthetic. Quote Link to post Share on other sites
Ex Machina 384 Posted August 15, 2019 Share Posted August 15, 2019 Mine is just plan old sheathed dyneema off the roll as per cat3 specs. lashed on at the ends with 2mm dyneema . Knot me would throw a tanty about the bowlines at the pulpit/push pit for attaching but it’s held my 100kg crew onboard a couple of times. I don’t have any sign of chafe at staunchions yet after almost a year , holes are well radiused which helps Quote Link to post Share on other sites
Clipper 369 Posted August 15, 2019 Share Posted August 15, 2019 I haven't got pics. Mine has an eye spliced into each end (by CRA) and cow-hitched through the pulpit and lashed to the pushpit. I spliced a few short bits for stern lifelines, its quite fiddly and with almost no stretch in the dyneema cover it was a challenge for a splicing newby like me. i wish I could replace my lower wire too, but chafe would be too much of an issue through the stanchions. Mine has 50mm lengthsoff lifeline cover tube at each stanchion to prevent chafe there. Quote Link to post Share on other sites
Sudden5869 17 Posted August 16, 2019 Share Posted August 16, 2019 Some photos from Oliver Sudden.... Quote Link to post Share on other sites
Clipper 369 Posted August 16, 2019 Share Posted August 16, 2019 Mine looks like the oliver sudden setup Quote Link to post Share on other sites
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.