J
jim beam
Guest
RonSonic wrote:
> On Sat, 15 Jul 2006 22:21:08 -0700, jim beam <[email protected]> wrote:
>
>
>> bottom line, the benefits of extrusion outweigh the problems by such a
>> huge margin, don't even waste another breath arguing about it. the only
>> "disadvantage" of extrusion, anisotropy, is in fact a huge advantage as
>> far as hoop strength is concerned, and any cracking issues can be
>> mitigated by quality control in manufacture, eyelets, and building with
>> correct spoke tension. the latter of course is hard for a manufacturer
>> to enforce, especially in the light of the immortal words "tension as
>> high as the rim can bear", but that's why we now have "boutique" wheels
>> these days.
>
> "Tension as high as the rim can bear" seems to not be the problem. The problem
> would seem to be tensioning higher than the rim can bear.
excellent, go to the top of the class! that is exactly right ron, spoke
tension just below buckling threshold /is/ well in excess of the tension
the rim can bear for cracking. phew!
>
> The former is, by definition, not excessive.
>
> But it does open the door to the "some's good, more's better" mindset.
only if the fundamentals are not understood and experience ignored.
>
> Ron
> On Sat, 15 Jul 2006 22:21:08 -0700, jim beam <[email protected]> wrote:
>
>
>> bottom line, the benefits of extrusion outweigh the problems by such a
>> huge margin, don't even waste another breath arguing about it. the only
>> "disadvantage" of extrusion, anisotropy, is in fact a huge advantage as
>> far as hoop strength is concerned, and any cracking issues can be
>> mitigated by quality control in manufacture, eyelets, and building with
>> correct spoke tension. the latter of course is hard for a manufacturer
>> to enforce, especially in the light of the immortal words "tension as
>> high as the rim can bear", but that's why we now have "boutique" wheels
>> these days.
>
> "Tension as high as the rim can bear" seems to not be the problem. The problem
> would seem to be tensioning higher than the rim can bear.
excellent, go to the top of the class! that is exactly right ron, spoke
tension just below buckling threshold /is/ well in excess of the tension
the rim can bear for cracking. phew!
>
> The former is, by definition, not excessive.
>
> But it does open the door to the "some's good, more's better" mindset.
only if the fundamentals are not understood and experience ignored.
>
> Ron