I would say the "corner" of the TA axle take most of the torque so that is different than cottered.
One more steel cotterless. Iver Johnson. The axle is integral with the right crank but the left crank is fitted on a three sided tapered axle.
Joe Bender-Zanoni
Great Notch, NJ
> Harvey Sachs wrote:
> >
> (snip)
> > With all due respect (and I have not handled these
> > myself), some of the cognoscenti do not consider the TA to be cottered,
> > as the crank is not held by a friction fit between a tapered pin and the
> > spindle. But I don't know what they do call it...
>
>
> I've considered the same thing, but a cotter pin wedges against the axle
> with a cottered crank and so does the allen bolt and two shaped
> cylinders used with the T.A. Criterium crank, so my conclusion would be
> that it's a cottered crank with a different interpretation of a cotter
pin.
>
> Anyone else want to wade in?
>
> Chuck Schmidt
> South Pasadena, Southern (headed toward the rainiest season since
> records were kept) California
>
> .