Re: Motor Coupling - Was: unbalanced load

John Stevenson wrote:

> What was needed was something nearly rigid but with no free play. I
> made the first one up and tried it and it worked fine. On seeing

this

> the manufacturers changed to a solid one piece nylon coupling but
> these just sheared the keyways and grub screws. We came to an
> arangement and they now fit this type shown.

Nice gadget you made. Is the main objective of the nylon intermediary
to absorb impulse shock (leading a a very tiny "time-lag"?

The gadget must be machined to very tight tolerance? which mean that
it will not help if the shafts are not coaxial?

Peter