<<<SPAM>: Re: [R-390] Non fitting gears
Tim Shoppa
tshoppa at wmata.com
Thu Jul 21 14:48:37 EDT 2005
> I already recommended the ballpoint pen spring idea privately.
> They may not have exactly the right parametric characteristics, but ..
> highly available.
Major problem: ballpoint pen springs are compression, not extension springs.
May be good raw material for spring winding though. I like the stainless
springs in computer keyboards better for that myself.
Tim.
More information about the R-390
mailing list