Uses for Velostat [OT][WAS]Re: FW: [sdiy] Aftertouch via Pressure

James Patchell patchell at cox.net
Sat Jul 12 03:56:31 CEST 2003


http://stopabductions.com/

If you go to that link you will find another way of using Velostat...:-)

-Jim

At 11:40 AM 7/11/2003 -0700, Gene Stopp wrote:
>Hi DIY,
>
>Honoring Dana's request...
>
>Velostat looks like ordinary black plastic sheeting. It's about 6 mils
>thick. It was made for antistatic purposes, it was primarily
>used to make plastic bags to store electronic stuff. It is plastic that is
>coated with a conductive carbon compound on one side. It
>will easily register on an ohmmeter.
>I worked at ARP from 1974 to 1980.
>-Dana
>
>ARP from '74 to '80? *That* should have been interesting...
>
>- Gene
>
>
>-----Original Message-----
>From: Dana Scott [mailto:turbo at mustangs.com]
>Sent: Thursday, July 10, 2003 4:50 PM
>To: Gene Stopp
>Subject: Re: [sdiy] Aftertouch via Pressure
>
>
>Hi,
>for some reason I can receive sdiy posts, but my posts to the list never
>make it.
>If you could forward the info to the list I would be grateful.
>Thanks,
>-Dana
>
>----- Original Message -----
>From: "Gene Stopp" <gene at ixiacom.com>
>To: "'Dana Scott'" <turbo at mustangs.com>
>Sent: Thursday, July 10, 2003 7:00 PM
>Subject: RE: [sdiy] Aftertouch via Pressure
>
>
> > Thanks! It's good that somebody knows this stuff - knowledge should be
> > shared! Were you involved with ARP? And, is Velostat one of the standard
> > types of CMOS foam, or was it hard to come by?
> >
> > - Gene
> >
> >
> > -----Original Message-----
> > From: Dana Scott [mailto:turbo at mustangs.com]
> > Sent: Thursday, July 10, 2003 3:56 PM
> > To: Gene Stopp
> > Subject: re: [sdiy] Aftertouch via Pressure
> >
> >
> > To be precise, ARP used a 3M product called Velostat with a 1/4 inch piece
> > of foam on top of it. The Velostat would be compressed
> > across a piece of thin pc board material with a narrow gap running the
> > length of the keyboard. The adhesive tape that attached the
> > Velostat to the pc board served as a spacer to insure that there would be
>no
> > contact when no pressure was applied. There was no
> > hinge other than the pivot that the keys normally have.
> > -Dana
> >
> >
> > > Yes ARP Soloist and Pro Sololist use CMOS foam under the hinged keyboard
> > as
> > > the pressure sensor. I forget what the Multimoog uses but I think it's
>the
> > > same approach. Not sure about the ARP Pro DGX because I don't have one,
> > but
> > > I'll bet it's CMOS foam too. Hey I was at an ARP demo, at ABC Music in
> > > Burbank back when I was in high school. Boy was that neat. Helped to put
> > me
> > > on this nutty road I'm on for life. The first first first wake-up call I
> > > ever got was at Springfield Music in Northridge, where my buddy and I
>rode
> > > our bikes to, and there was a Minikorg and a Synthacon in there. I'd
>like
> > to
> > > find both of those someday but the ebay prices at the moment are just
>too
> > > steep.
> > >
> > > - Gene
> > >
> >
> >
> >




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