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  1. Replies
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    284

    Look at them, feel them, are they deeply scarred...

    Look at them, feel them, are they deeply scarred or grooved? Otherwise measure them with calipers, 1.5mm is the general spec for solid steel I don't recall what the minimum is for icetec rotors(3...
  2. It's a lube when wet a moisture barrier when dry,...

    It's a lube when wet a moisture barrier when dry, and prevents items from shaking loose(which is caused by longitudinal vibrations that exceed the preloaded longitudinal strain on the fastener, split...
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    2,697

    Old methods work, new methods have been developed...

    Old methods work, new methods have been developed because the old methods have some weaknesses, pros & cons and all that.

    If you use a gage, make sure you treat it well and give it some light oil...
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    2,697

    The music tuning was an interesting example;...

    The music tuning was an interesting example; firstly because a (quality) tuning fork is a standard unit with a known uncertainty, much like the class M2 and F1 calibration masses that I use to check...
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    2,697

    Yes, it also isn't subject to drift because of a...

    Yes, it also isn't subject to drift because of a loud party the night before or seasonal allergies, and can be used with different gage spokes with a quick reference chart.
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    2,697

    (caution sleep deprived rambling may follow...

    (caution sleep deprived rambling may follow :twitchy:)
    Farmers don't guess at crop nutrition by eyeballing the leaves, they use a tissue and soil analysis labs.
    Boats (other than for nostalgia)...
  7. Replies
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    407

    Tension is calculated based on rim nipple-hole...

    Tension is calculated based on rim nipple-hole strength, hub spoke-hole strength, and spoke strength. The basic goal is to use a preload (spoke tension) equal to one half of the stress needed to...
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    508

    real citrus solvent is better than mineral...

    real citrus solvent is better than mineral spirits, but good luck finding straight D-limonene outside of a wholesale industrial supply house. Most citrus degreasers only have 2-20% D-Limonene.
    the...
  9. Replies
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    1,422

    I'm having the same issue, it seems to be a...

    I'm having the same issue, it seems to be a recent development,(though I'm not on very frequently these days)
    And no "remember me" is not the answer, it is just a kludgey workaround for an actual...
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    881

    I had an annoying click in the cranks years ago,...

    I had an annoying click in the cranks years ago, a duller click not a metallic click like a derailer rub, and it was once or twice per crank rev..
    It was turned out to be a very slightly loose...
  11. Replies
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    1,355

    Oh and lubricant is not flooded into any gap in...

    Oh and lubricant is not flooded into any gap in the chain as bicycle chains have no seals or continuous oil bath, so they could only achieve a thin film at their best.
  12. Replies
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    Yes, but the full equations are a bit beyond this...

    Yes, but the full equations are a bit beyond this particular issue.
    The basic concepts and rule of thumb however are a basic part of lube engineering. The lubricant film thickness has very little to...
  13. Bicycle tires are not DOT approved. The bearings...

    Bicycle tires are not DOT approved. The bearings themselves assuming a quality brand, could take over 100mph, IF properly greased (about30% fill and channeling type (#2 thickness lithium), as you...
  14. Replies
    42
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    1,355

    Actually the lubricant films found on bicycles,...

    Actually the lubricant films found on bicycles, including chains, are sub one micron.

    This is true.
    ...unless you use wax, maybe.
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    I have ten, mostly basket cases.

    I have ten, mostly basket cases.
  16. Replies
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    1,355

    I'm a fan of centrifuges but there is a definate...

    I'm a fan of centrifuges but there is a definate investment economy of scale there. Centrifuge plus the pump and enough solvent stock to make it worth while. 60 GPH Centrifuge for WVO Motor Oil and...
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    Looking for some light wide rim options.

    So, ever since my first ryno-lite I've been sold on wide rims. However I no longer have that bike as I've out of the game for a few years(life happens) and now I'm putting together a new bike with...
  18. Replies
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    Yep, I'm aware of miscibility and we are speaking...

    Yep, I'm aware of miscibility and we are speaking of non-polar solutes.(except dumondtech)

    toluene and xylene are very similar in most respects, plain benzene is by far the toxic one of the...
  19. I haven't taco'd one wheel in the several...

    I haven't taco'd one wheel in the several thousand I have trued, only one very light narrow road wheel ever gave me pause, but it just felt springy no effect on trueness.(<5 minutes for decent...
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    Coffee filters are good for about 20 microns and...

    Coffee filters are good for about 20 microns and auto oil filters are also good for 20-30 microns.(ish, tests and rating types and efficiency vary) large truck bypass oil filters are about one...
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    D-limonene is "citrus solvent" in its pure form...

    D-limonene is "citrus solvent" in its pure form for oils it is stronger than odorless mineral spirits, about equal to turpentine, and weaker than tolulene. The strongest around is an equal mix of...
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    The most important part is making sure the wrench...

    The most important part is making sure the wrench its self is narrow enough not to effect the final tightening. Bezalel is right about the torque wrench, but it does give one a basic feel for how...
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    Fair enough, there will always be a weak link.

    Fair enough, there will always be a weak link.
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    yes most diagonal cutters have the edges ground...

    yes most diagonal cutters have the edges ground on the outside face, which leaves a small tab. They are that way because it makes the edge angle wide enough to stand up to copper and steel wire and...
  25. the crackling is from the nipples being unloaded...

    the crackling is from the nipples being unloaded enough to spin in there holes and the spokes unwinding. Freshly tensioned and new factory wheels tend to do it a lot, used wheels not much if at all...
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