[Land-speed] ( Dear Jack ) & LOOK MA: NO Valve Springs !!!!!

joseph lance jolylance at earthlink.net
Sat Sep 1 18:48:13 MDT 2007


I thought Renault tried that with F1 type engines--solenoids maybe

Lance

----- Original Message ----- 
From: "Ed Weldon" <23.weldon at comcast.net>
To: "John Burk" <joyseydevil at comcast.net>; "LandSpeed List"
<Land-speed at autox.team.net>
Sent: Saturday, September 01, 2007 6:24 PM
Subject: Re: [Land-speed] ( Dear Jack ) & LOOK MA: NO Valve Springs !!!!!


> Long as we've broadened the subject to no valve springs...... Has anyone
> ever heard of an actual running internal combustion engine that opened and
> closed the valves with something as crude as an electric solenoid or, on
> the
> other end, something as sophisticated as a computer controlled linear
> voice
> coil?  Some searching found some university student papers on the subject
> and a few recent (last two years) patents that have clains in that area.
> I'd be willing to bet it would be relatively easy to build a hit and miss
> engine with solenoid actuated valves; but that's a long way from a
> practical
> automotive engine.  Maybe the model IC engine guys are dabbling in that
> direction.
> There were a bunch of them with a display at the Goodguy's Pleasanton
> Street
> Rod event.  Even a couple of roots blown V-8's about the size of a soccer
> ball and the guy selling the raw castings to make them from. (but that's
> really another thread.....didn't mean to lose focus there)
> Ed Weldon


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