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- From: jbrandt@hplred.HPL.HP.COM (Jobst Brandt)
- Date: Thu, 21 Jan 1993 19:29:33 GMT
- Subject: Re: Spoke Tension by hand
- Message-ID: <1460061@hplred.HPL.HP.COM>
- Organization: Hewlett-Packard Laboratories, Palo Alto, CA
- Path: sparky!uunet!cs.utexas.edu!sdd.hp.com!hpscit.sc.hp.com!hplextra!hplred!jbrandt
- Newsgroups: rec.bicycles.tech
- References: <C13w08.9o7@news.rich.bnr.ca>
- Lines: 26
-
-
- Robert Perkins writes:
-
- > I'm starting to rebuild/dish/true my wheels on my road and
- > mountain bike. How do you know when you have enough tension on
- > the spokes?
-
- There is a book on this subject that describes the procedure for
- arriving at optimal spoke tension without the aid of any instrument.
- In fact, this is the only way it can be determined. A tensiometer
- can subsequently be used to build other wheels to this same tension
- but it must be manually determined first. You can always read
- about it at your bike shop without buying the book, but there are
- other things that are worth your time there too.
-
- > How does one know when a spoke is overtightened (besides it
- > ripping out of the rim at high speed)?
-
- Unless you have a rim that is not worth riding because it is too
- fragile at the spoke supports, you cannot tighten spokes to the
- point where they pull out of the rim. You can't even do that
- manually with a tight wheel. If the rim were so weak that this were
- possible, it would soon have fatigue cracks around the spoke holes
- in use.
-
- jobst_brandt@hplabs.hp.com
-