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I have just had occasion to "suspend" my Europa to replace a tyre.  During 
this it was apparent that the (mono) wheel could be be moved up and down 
about 3/8" without anything else moving.  This was traced to elongation of 
the LGO5 bushes, which have gone elliptical by at least 20 thou.   I have 
already found another builder who has replaced them.  IMHO they would be 
better in a harder material than phosphor bronze; after all there is no 
continuous rotation, but they have to withstand the thump of our landings - 
and maybe airstream buffeting repetitively loads them too.  
Graham C. G-EMIN
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