Re: [DML] Re: PDC's Redesigned Trailing Arm Attachment

[mike.griese@xxxxxxxxxxxxxxxx]

The trailing arm does indeed require more movement.  Not 
only does it pivot around the bolt, but it pivots within the
bushing as the rear wheels move up and down.  The trailing 
arm twists as it rises - that's why the bolt is not put into
double shear.  The rubber bushing provides some compliance
and isolation.  A similar joint is used on the Esprit, although 
the execution is somewhat different.  

You can't consider any single joint in a suspension in isolation.
You have to understand all of the loads being applied to the
joint in all cases, which means understanding how the suspension
works as a whole, in all ranges of motion.

--
Mike


-------------- Original message from Marc Levy : -------------- 

> 
> 
> When I looked at the design of the trailing arm, I too 
> thought it made more sense to have a double sheer 
> setup just like PDC now offers. 
> 
> However, I tend to assume that the engineers working 
> for lotus know more than I do about suspension design. 
> The PDC design only allows the arm to rotate around 
> the bolt. Isn't it possible the design requires the 
> additional movement it has with the give of the rubber 
> bushing in the "stock" design? 
> 
> 

[Non-text portions of this message have been removed]






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