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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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soldering bicycle brake cable ends
Over the years I have tried to solder various wire ropes, never been
anything near successful. I have tried emery cloth to clean the end, greasy flux stuff and different temperatures. I have always found another method to solve the problem at hand. I just want to know how to do it before once again I'm looking at blobs of solder refusing to bond with the cable. cheers Roy |
#2
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In article ,
"roy davidson" writes: Over the years I have tried to solder various wire ropes, never been anything near successful. I have tried emery cloth to clean the end, greasy flux stuff and different temperatures. I have always found another method to solve the problem at hand. I just want to know how to do it before once again I'm looking at blobs of solder refusing to bond with the cable. Is this to stop the end fraying? What about crimping on a bootlace ferrule, or any crimp which is about the right size? -- Andrew Gabriel |
#3
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In message , Andrew Gabriel
writes In article , "roy davidson" writes: Over the years I have tried to solder various wire ropes, never been anything near successful. I have tried emery cloth to clean the end, greasy flux stuff and different temperatures. I have always found another method to solve the problem at hand. I just want to know how to do it before once again I'm looking at blobs of solder refusing to bond with the cable. Is this to stop the end fraying? What about crimping on a bootlace ferrule, or any crimp which is about the right size? They do make little crimp on ferrules specifically for the end of bike cables, or little it of heat shrink tubing over the end. I've soldered them as well with solder tape, a few wraps and a match and it's done. -- Chris French, Leeds |
#4
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In article ,
roy davidson wrote: Over the years I have tried to solder various wire ropes, never been anything near successful. I have tried emery cloth to clean the end, greasy flux stuff and different temperatures. I have always found another method to solve the problem at hand. I just want to know how to do it before once again I'm looking at blobs of solder refusing to bond with the cable. You need a flux designed for steel. Something like Baker's soldering fluid. Fluxite - or similar paste type fluxes - are really meant for things like copper or brass. But I'd make sure the wire rope is clean first - it's possible it might have some form of wax applied to prevent corrosion. Cellulose thinners remove most of this sort of thing. I've found an aggressive flux - like Everflux - also works well on steel. I recently made up a throttle cable for the old car with no problems. -- *He who laughs last, thinks slowest. Dave Plowman London SW To e-mail, change noise into sound. |
#5
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In message , roy davidson
writes Over the years I have tried to solder various wire ropes, never been anything near successful. I have tried emery cloth to clean the end, greasy flux stuff and different temperatures. I have always found another method to solve the problem at hand. I just want to know how to do it before once again I'm looking at blobs of solder refusing to bond with the cable. Lots of clean lots of heat (as opposed to temperature) Lots of flux, and then some more -- geoff |
#6
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"roy davidson" wrote in message ... Over the years I have tried to solder various wire ropes, never been anything near successful. I have tried emery cloth to clean the end, greasy flux stuff and different temperatures. I have always found another method to solve the problem at hand. I just want to know how to do it before once again I'm looking at blobs of solder refusing to bond with the cable. cheers Roy You will need to use Braze or Silver Solder, which you will need to use a propane torch. Never done it so can't help any further! |
#7
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In article ,
Dave Jones wrote: You will need to use Braze or Silver Solder, which you will need to use a propane torch. No. ;-) The heat required for these will weaken the cable - or loose the flexibility. All that's required is to splay out the strands at the nipple and stop them pulling through. The shear strength of soft solder more than matches a 'solderless' nipple of the type which relies on friction. Never done it so can't help any further! -- *A closed mouth gathers no feet.* Dave Plowman London SW To e-mail, change noise into sound. |
#8
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Dave Plowman (News) wrote:
No. ;-) The heat required for these will weaken the cable - or loose the flexibility. All that's required is to splay out the strands at the nipple and stop them pulling through. The shear strength of soft solder more than matches a 'solderless' nipple of the type which relies on friction. Solderless nipples.... the screw-on type. Dangerous for anything critical IME. You can get cables to solder better by unravelling the end 1 1/2" (not straining the individual wires!), cleaning, and re-winding them before trying to solder. |
#9
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On Wed, 13 Apr 2005 23:21:13 +0100, "roy davidson"
wrote: I just want to know how to do it before once again I'm looking at blobs of solder refusing to bond with the cable. Go to the bike shop and scrounge some crimp ends. They'll crimp with narrow pliers (a narrow crimped band is stronger than an overall flattened tube). If you're a sparkie, then electrician's bootlace ferrules work fine too. Bike cable should soft-solder pretty easily. Degrease it, then use a powerful active flux. Fluxite paste is enough, multicore isn't. If the cable's new and clean you shouldn't need to use Baker's Fluid. A big (=50W iron is useful) If you're obsessive about your bike (about 90% of cyclists) you can form a back splice instead. No one will ever notice, but it's 0.001g lighter than adding that ferrule 8-) For bigger cables than bikes, silver soldering is good. This will also work happily on stainless or phosphor bronze wire cable. You'll need a fluoride based flux, especially on stainless, but the joint is usually very easy to make, so long as the cable's reasonably fresh and clean. If it's old cable that has been out in the weather, either pickle it clean first, or splice it. Don't braze wire cable - it reduces the strength considerably. Wire rope can't be soldered unless you remove any fibre centre core first. Degrease carefully too. -- Smert' spamionam |
#10
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roy davidson wrote:
Over the years I have tried to solder various wire ropes, never been anything near successful. I have tried emery cloth to clean the end, greasy flux stuff and different temperatures. I have always found another method to solve the problem at hand. I just want to know how to do it before once again I'm looking at blobs of solder refusing to bond with the cable. cheers Roy Use acid flux (plumbers) and a blowlamp. |
#11
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again I'm looking at blobs of solder refusing to bond with the cable. cheers Roy Use acid flux (plumbers) and a blowlamp. Anyone know where I can get lengths of cable and some ends? I need to make up a long inner cable for a rear barke on a Peugeot tandem. No-one seems to stock one that's long enough. Peter Scott |
#12
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Peter Scott wrote :- Anyone know where I can get lengths of cable and some ends? I need to make up a long inner cable for a rear barke on a Peugeot tandem. No-one seems to stock one that's long enough. Try doing a search for Bowden Cable, plenty of results Regards Jeff |
#13
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"Jeff" wrote in message .. . Peter Scott wrote :- Anyone know where I can get lengths of cable and some ends? I need to make up a long inner cable for a rear barke on a Peugeot tandem. No-one seems to stock one that's long enough. Try doing a search for Bowden Cable, plenty of results Regards Jeff Good thinking. I had forgotten that's what it was called. Peter Scott |
#14
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On Thu, 14 Apr 2005 12:05:26 +0100, "Jeff" wrote:
Try doing a search for Bowden Cable, plenty of results Don't use Bowden (or Teleflex) cable for brakes. |
#16
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Peter Scott wrote:
Anyone know where I can get lengths of cable and some ends? I need to make up a long inner cable for a rear barke on a Peugeot tandem. No-one seems to stock one that's long enough. An ironmonger may have some or a bicycle shop may have some on the reel.. hard to say. Anyway, you may find that nipples are hard to get these days, most seem to be cast on, and if you warm them up, the metal just splashes off. Have you soldered nipples onto cable before? There's a technique.... |
#17
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"Chris Bacon" wrote in message ... Peter Scott wrote: Anyone know where I can get lengths of cable and some ends? I need to make up a long inner cable for a rear barke on a Peugeot tandem. No-one seems to stock one that's long enough. An ironmonger may have some or a bicycle shop may have some on the reel.. hard to say. Anyway, you may find that nipples are hard to get these days, most seem to be cast on, and if you warm them up, the metal just splashes off. Have you soldered nipples onto cable before? There's a technique.... Yes I'm OK on that. Used to work in a bike shop. Peter Scott |
#18
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Peter Scott wrote:
"Chris Bacon" wrote... Have you soldered nipples onto cable before? There's a technique.... Yes I'm OK on that. Used to work in a bike shop. Some years ago I went into a bike shop-cum-hairdressers-cum-barber and asked the young lady whether she'd got brass nipples... she was embarassed. |
#19
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On Thu, 14 Apr 2005 11:27:41 +0100, "Peter Scott"
wrote: Anyone know where I can get lengths of cable and some ends? Any bike shop. If you go in the workshop rather than looking on the retail racks, the stuff is on a reel. BTW - brake and gear cable is different and you really shouldn't swap them. If you haven't already, read Sheldon Brown's website http://sheldonbrown.com/diy/ |
#21
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"Rob Morley" wrote in message
t... In article , "Peter Scott" says... again I'm looking at blobs of solder refusing to bond with the cable. cheers Roy Use acid flux (plumbers) and a blowlamp. Get proper end-caps (cost next to nothing) and just crimp them gently on. It does not need to be soldered. The end-caps are designed to be crimped. Trust me, I've done a great many in my time and they've never come off accidentally (you do want to be able to remove it sometimes to strip the bike down without destroying the cable). a |
#22
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In article , "al"
says... "Rob Morley" wrote in message t... In article , "Peter Scott" says... again I'm looking at blobs of solder refusing to bond with the cable. cheers Roy Use acid flux (plumbers) and a blowlamp. Get proper end-caps (cost next to nothing) and just crimp them gently on. It does not need to be soldered. The end-caps are designed to be crimped. He's talking about nipples, not cable tidies. |
#23
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"Rob Morley" wrote in message t... In article , "Peter Scott" says... again I'm looking at blobs of solder refusing to bond with the cable. cheers Roy Use acid flux (plumbers) and a blowlamp. Anyone know where I can get lengths of cable and some ends? I need to make up a long inner cable for a rear barke on a Peugeot tandem. No-one seems to stock one that's long enough. Longer than 3 meters? Erm.. I'll have to battle to the back of my shed where the tandem has been languishing while I find a cable. I don't think its more than 3m though. However none of the bike shops in Norwich had one long enough when I last did a trawl knowing the actual length. This was the full range from small specialist shops to Halfords. Do you know of an on-line supplier? Peter Scott |
#24
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Peter Scott wrote:
... tandem ... This was the full range from small specialist shops to Halfords. Do you know of an on-line supplier? I'd try http://www.sjscycles.com/ - St John Street Cycles in Bridgwater, who seem to have quite a thing for tandems, going by their ads in the CTC (Cyclists' Touring Club) mag. Also try the other suppliers listed on the Tandem Club's website - http://www.tandem-club.org.uk/ - and their message boards. HTH - Stefek |
#25
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On Thu, 14 Apr 2005 20:37:05 +0100, "Peter Scott"
wrote: However none of the bike shops in Norwich had one long enough when I last did a trawl knowing the actual length. I've _never_ seen a brake or gear cable set that was long enough for a tandem. Tandems are rare, why make it in sets ? If you're a tandemist, then you're expected to be capable of finding a Real LBS with long reels. Now, who knows a good source for Goretex or PTFE-lined gear cables for tandems? I've only seen these in sets, not reels. |
#27
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On Thu, 14 Apr 2005 20:37:05 +0100, "Peter Scott"
wrote: Erm.. I'll have to battle to the back of my shed where the tandem has been languishing while I find a cable. I don't think its more than 3m though. However none of the bike shops in Norwich had one long enough when I last did a trawl knowing the actual length. This was the full range from small specialist shops to Halfords. Do you know of an on-line supplier? Peter Scott Hi, Wiggle (.co.uk) do tandem ones at up to 2.5m, or try asking on uk.rec.cycling cheers, Pete |
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