Quote:
Originally Posted by Mr Gazza
A couple of years ago I tried to get my head round how the hoop suspension and rocker all worked together, it was something Utopia, Capo and I were churning over.
I ended up making a full size model out of MDF with the relative pivot points accurately set out. I made the shock telescopic and also the hoop, so that I could try and fathom what happened when the hoop was lengthened with ride height extenders.
All I would say is that there is a hell of a lot going on there geometrically without even factoring the dynamic aspect of it all and factors like sag and preload.
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You're not wrong, Mr G, there is, as you say, "...
a hell of a lot going on there...
The section on rear suspension in Tony Foale's "Motorcycling Handling and Chassis Design" makes interesting, (if head aching!
) reading.
This extract shows how the orientation of the link itself governs the amount of rising rate. The centre example shows the type of link used in the hoop system.
