[Vwdiesel] New engine

[James Hansen]

You mean 15-20% bigger or 15-20times bigger?
The percent bigger would be for a 12 cylinder probably.
With that blower and a biggish electric motor, you can make one heck of an
air raid siren :-)
I'd grab it if it was cheap, but being a terminal packrat... that's just me.
I already have more projects and junk than I'll ever use in my lifetime...
-James

-----Original Message-----
From: Area31 Research Facility [mailto:stephensrw at stn.net]
Sent: Sunday, April 17, 2005 7:28 PM
To: James Hansen; vwdiesel at vwfans.com
Subject: Re: [Vwdiesel] New engine


I have access right now to a really large roots blower. Take the common 8-71
Gimmy blower and multiply by about 10-15.  It is a vacuum pump I think.  Is
there anything I can do with it by itself?  I don't need any more projects
but you don't run across huge roots blowers every day for scrap value.

Rob

----- Original Message -----
From: "James Hansen" <jhsg at sasktel.net>
To: <vwdiesel at vwfans.com>
Sent: Sunday, April 17, 2005 2:51 AM
Subject: RE: [Vwdiesel] New engine


> Well that's pretty cool Justin.  I've seen this type of thing built from
> turbochargers, really impressive sound when they spool up, but never heard
> or thought of a roots blower based design. Wow.  I can't begin to imagine
> the noise of three roots blowers in full song...
> -James
>
> -----Original Message-----
> From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com]On
> Behalf Of Justin and Chelly Bennett
> Sent: Saturday, April 16, 2005 11:10 AM
> To: vwdiesel at vwfans.com
> Subject: Re: [Vwdiesel] New engine
>
>
> I know a guy in Washington that has already done this.  He built several
> of these while in engineering school.  The company he works for used a
> modified design version of this as  the starter for the F-16.  My friend
> used roots blowers.  He even built one that had one blower for the
> compressor section and two for the turbine section.  He used chains to
> connect the sections together and could vary the ratios that way.
> Justin
>
> >
> >Okay gearheads, and assorted engineer and armchair engineer dudes.
> >Check this out:
> >http://www.starrotor.com/indexflash.htm
> >
> >comments and criticism expected.
> >
> >how this differs from a wankel with trichoidal wearing points I have yet
to
> >understand...
> >Looks like they have yet to make smoke and noise... just runs like a
watch
> >in their minds I guess.
> >-james
> >
> >
> >--
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> >
>
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