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#1
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Teflon pipe compound?/RIP Open Pro Redux
I've used teflon pipe thread compound on spoke threads. I never had an issue with spokes loosening, but that could be because I also use a spoke tension meter. I never found out for sure but the teflon pipe compound never seemed to harden like SpokePrep did. It did feel like the threads were actually lubricated though.
Bottom line: I wouldn't count on it to keep nipples from loosening. |
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#2
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Teflon pipe compound?/RIP Open Pro Redux
On Jul 27, 3:35*am, "
wrote: I've used teflon pipe thread compound on spoke threads. I never had an issue with spokes loosening, but that could be because I also use a spoke tension meter. I never found out for sure but the teflon pipe compound never seemed to harden like SpokePrep did. It did feel like the threads were actually lubricated though. Bottom line: I wouldn't count on it to keep nipples from loosening. Well, we'll see -- I threw the wheel together last night while suffering through part of "America's Got (no) Talent." I can say the paste is messy. I'll true up the wheel tonight and throw it on the commuter for some serious beating. The deal with spoke tension is that the amount of tension necessary to keep an Open Pro straight without goop (for a 200lb rider) exceeds the strength of the spoke holes -- in the range of 120kgf. I basically blew-up my Open Pro after five or six years. It should have had a longer life, being that it is a disk wheel and doesn't get brake track wear. My replacement rim is a disk-specific Velocity Aerohead which is touted as a "touring rim" -- but still probably too light (oh well, we'll see what happens). One thing I don't like about modern, deep- ish profile, socket-less rims is having to fuss around with nipple placement (i.e. having to inject the nipple in to the rim with a spoke). Back in the pre-Book, Mod E, five-speed days, you didn't have to worry about dropping a nipple in to the rim and could build a wheel during a single re-run of Gilligan's Island -- particularly if you used a power drill as a nipple driver. -- Jay Beattie. |
#3
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Teflon pipe compound?/RIP Open Pro Redux
On Wed, 27 Jul 2011 12:40:19 -0700, Jay Beattie wrote:
snip Well, we'll see -- I threw the wheel together last night while suffering through part of "America's Got (no) Talent." I can say the paste is messy. I'll true up the wheel tonight and throw it on the commuter for some serious beating. The deal with spoke tension is that the amount of tension necessary to keep an Open Pro straight without goop (for a 200lb rider) exceeds the strength of the spoke holes -- in the range of 120kgf. I basically blew-up my Open Pro after five or six years. It should have had a longer life, being that it is a disk wheel and doesn't get brake track wear. The purpose for anti-seize/lubrication on the spoke threads and nipple/ rim interface is to permit the nipple to turn more easily. This reduces the risk of rounding the nipple corners as spoke tension tightens. It does not increase the amount of tension the spoke holes (on the rim) can handle. Stephen Bauman |
#4
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Teflon pipe compound?/RIP Open Pro Redux
"Stephen Bauman" wrote in message ... On Wed, 27 Jul 2011 12:40:19 -0700, Jay Beattie wrote: snip Well, we'll see -- I threw the wheel together last night while suffering through part of "America's Got (no) Talent." I can say the paste is messy. I'll true up the wheel tonight and throw it on the commuter for some serious beating. The deal with spoke tension is that the amount of tension necessary to keep an Open Pro straight without goop (for a 200lb rider) exceeds the strength of the spoke holes -- in the range of 120kgf. I basically blew-up my Open Pro after five or six years. It should have had a longer life, being that it is a disk wheel and doesn't get brake track wear. The purpose for anti-seize/lubrication on the spoke threads and nipple/ rim interface is to permit the nipple to turn more easily. This reduces the risk of rounding the nipple corners as spoke tension tightens. It does not increase the amount of tension the spoke holes (on the rim) can handle. This is not being used as an anti-seize. It is being used as a pro-seize -- something a little gummy to keep the spoke from unwinding when it is detensioned. Running this wheel at 100kgf per factory spec is not enough to keep my wheels straight without a little goop. Otherwise, I have to wind the spokes up over 120kgf, which for the Open Pro, is a hole cracker. -- Jay Beattie. --- Posted via news://freenews.netfront.net/ - Complaints to --- |
#5
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Teflon pipe compound?/RIP Open Pro Redux
Jay Beattie wrote:
:"Stephen Bauman" wrote in message ... : On Wed, 27 Jul 2011 12:40:19 -0700, Jay Beattie wrote: : : snip : : Well, we'll see -- I threw the wheel together last night while : suffering : through part of "America's Got (no) Talent." I can say the paste : is : messy. I'll true up the wheel tonight and throw it on the commuter : for : some serious beating. : : The deal with spoke tension is that the amount of tension necessary : to : keep an Open Pro straight without goop (for a 200lb rider) exceeds : the : strength of the spoke holes -- in the range of 120kgf. I basically : blew-up my Open Pro after five or six years. It should have had a : longer life, being that it is a disk wheel and doesn't get brake : track : wear. : : : The purpose for anti-seize/lubrication on the spoke threads and : nipple/ : rim interface is to permit the nipple to turn more easily. This : reduces : the risk of rounding the nipple corners as spoke tension tightens. : It : does not increase the amount of tension the spoke holes (on the rim) : can : handle. :This is not being used as an anti-seize. It is being used as a ro-seize -- something a little gummy to keep the spoke from unwinding :when it is detensioned. Running this wheel at 100kgf per factory spec :is not enough to keep my wheels straight without a little goop. :Otherwise, I have to wind the spokes up over 120kgf, which for the :Open Pro, is a hole cracker. So, why are you using defective rims? -- sig 68 |
#6
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Teflon pipe compound?/RIP Open Pro Redux
"David Scheidt" wrote in message ... Jay Beattie wrote: :"Stephen Bauman" wrote in message ... : On Wed, 27 Jul 2011 12:40:19 -0700, Jay Beattie wrote: : : snip : : Well, we'll see -- I threw the wheel together last night while : suffering : through part of "America's Got (no) Talent." I can say the paste : is : messy. I'll true up the wheel tonight and throw it on the commuter : for : some serious beating. : : The deal with spoke tension is that the amount of tension necessary : to : keep an Open Pro straight without goop (for a 200lb rider) exceeds : the : strength of the spoke holes -- in the range of 120kgf. I basically : blew-up my Open Pro after five or six years. It should have had a : longer life, being that it is a disk wheel and doesn't get brake : track : wear. : : : The purpose for anti-seize/lubrication on the spoke threads and : nipple/ : rim interface is to permit the nipple to turn more easily. This : reduces : the risk of rounding the nipple corners as spoke tension tightens. : It : does not increase the amount of tension the spoke holes (on the rim) : can : handle. :This is not being used as an anti-seize. It is being used as a ro-seize -- something a little gummy to keep the spoke from unwinding :when it is detensioned. Running this wheel at 100kgf per factory spec :is not enough to keep my wheels straight without a little goop. :Otherwise, I have to wind the spokes up over 120kgf, which for the :Open Pro, is a hole cracker. So, why are you using defective rims? They were OEM on my Cannondale cross bike -- with that said, though, I also bought Open Pros and Open 4CDs, GP4s, G40s and all the variants since the Mod E because they seemed pretty good, and they were -- on 120mm hubs. Not so much now with the Open Pros on 130mm freehubs. -- Jay Beattie. --- Posted via news://freenews.netfront.net/ - Complaints to --- |
#7
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Teflon pipe compound?/RIP Open Pro Redux
On Wed, 27 Jul 2011 16:26:08 -0700, Jay Beattie wrote:
snip This is not being used as an anti-seize. It is being used as a pro-seize -- something a little gummy to keep the spoke from unwinding when it is detensioned. Running this wheel at 100kgf per factory spec is not enough to keep my wheels straight without a little goop. Otherwise, I have to wind the spokes up over 120kgf, which for the Open Pro, is a hole cracker. The usual suspect for spokes unwinding is not stress relieving them. If this is your problem, then thread lock will not prevent the wheel from coming out of true. Is this a rear wheel by any chance? If so, how many speeds? Stephen Bauman |
#8
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Teflon pipe compound?/RIP Open Pro Redux
"Stephen Bauman" wrote in message ... On Wed, 27 Jul 2011 16:26:08 -0700, Jay Beattie wrote: snip This is not being used as an anti-seize. It is being used as a pro-seize -- something a little gummy to keep the spoke from unwinding when it is detensioned. Running this wheel at 100kgf per factory spec is not enough to keep my wheels straight without a little goop. Otherwise, I have to wind the spokes up over 120kgf, which for the Open Pro, is a hole cracker. The usual suspect for spokes unwinding is not stress relieving them. If this is your problem, then thread lock will not prevent the wheel from coming out of true. Is this a rear wheel by any chance? If so, how many speeds? 9sp rear -- and I "twist relieve" the old fashioned way by squeezing and side loading (and by avoiding twisting them up during the build). I stress relieve per the Book, but these spokes are used and well stress relieved. Trued the wheel last night, put on the rotor and cassette and tire, etc. (nice Conti rim strip) and rode it to work. It's super fast! Well, not really -- and in fact, it feels a lot like the spare wheel I was using (Ringle DiskJockey hub and Salsa Delgado Race 29er disk rim), although you can't hear it ratchet from the next county. The Delgado rim was a sale table purchase for my snow wheels, and has gotten some dire review about lack of durability, so I'm waiting for that thing to die -- but it gets light duty during the winter, so it should last a while. -- Jay Beattie. --- Posted via news://freenews.netfront.net/ - Complaints to --- |
#9
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Teflon pipe compound?/RIP Open Pro Redux
On Jul 27, 3:35*am, "
wrote: I've used teflon pipe thread compound on spoke threads. I never had an issue with spokes loosening, but that could be because I also use a spoke tension meter. I never found out for sure but the teflon pipe compound never seemed to harden like SpokePrep did. It did feel like the threads were actually lubricated though. Bottom line: I wouldn't count on it to keep nipples from loosening. Hello almost I could say about the same thing, except I've used & use Spoke Prep. I don't know for sure if it holds the spokes in place, but it certainly lubricates both upon installation & loosening. The reason I know this is that more than once I've stopped working on a wheel. The next day I found the Spoke Prep seemed to pop loose when tightened or loosened. In any case I know I properly tension my wheels & figure that the added insurance of Spoke Prep can't hurt. The cost of the 2 bottles is high but they last for a lot of wheels. It’s possibly a waste of $$$ but it makes me feel good. My 2 cents, JD |
#10
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Teflon pipe compound?/RIP Open Pro Redux
On Thu, 28 Jul 2011 09:42:21 -0700, Jay Beattie wrote:
snip 9sp rear -- and I "twist relieve" the old fashioned way by squeezing and side loading (and by avoiding twisting them up during the build). I stress relieve per the Book, but these spokes are used and well stress relieved. Trued the wheel last night, put on the rotor and cassette and tire, etc. (nice Conti rim strip) and rode it to work. It's super fast! Well, not really -- and in fact, it feels a lot like the spare wheel I was using (Ringle DiskJockey hub and Salsa Delgado Race 29er disk rim), although you can't hear it ratchet from the next county. The Delgado rim was a sale table purchase for my snow wheels, and has gotten some dire review about lack of durability, so I'm waiting for that thing to die -- but it gets light duty during the winter, so it should last a while. How far below the top of the threads in the nipple (the slot) do your spokes extend? http://www.wheelpro.co.uk/wheelbuilding/spokes.jpg This is an easy measurement, if you have a spare spoke. Just take the spare spoke and thread it into the nipple from the top. Count the number of rotations before it stops because it hits the spoke. The number of rotations is a good enough metric. It's 56 tpi, if you want a standard metric. Stephen Bauman |
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