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N_Cook N_Cook is offline
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Default practical lubricity

William Sommerwerck wrote in message
The car holder for my GPS navigation system uses a ball-and-socket joint.

holds the unit without any slipping -- but no matter how much I fuss with
it, I can never get it into exactly the position I want. There's simply

much friction, both static and moving.

I've tried silicone spray lube, but it doesn't do much good. I've thought

lithium grease, but... Nah.

Any suggestions?

Thanks in advance.

"We already know the answers -- we just haven't asked the right
questions." -- Edwin Land

I would try locksmith's dry lubricant - ground graphite or talcum powder ,
at least no solvents going to attack the plastic