<<<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