bad precision pot?

[jorgen.bergfors at idg.se]

>I've read somewhere that precision 10 turn wirewound pots have problems.
>The slider seems to stick on the windings, that means problems with
>resolution.  And it was said that mechanical shock or vibration would
>change the value.  The author claimed that he would rather prefer ordinary
>pots, maybe two, one for coarse and one for fine.

Maybe they were referring to a type where the actual wiper only make one turn but there is gears to make the knob turn 10 times? Something like the multiturn trimpots, which have the problems you describe.

/Jorgen