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

[Ed Weldon]

Properly edited version forwarded to list ......High temperature brain
error.  Need more lemonade.
EW
----- 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 3:24 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
>
> ----- Original Message ----- 
> From: "John Burk" <joyseydevil at comcast.net>
> To: "LandSpeed List" <Land-speed at autox.team.net>
> Sent: Saturday, September 01, 2007 2:51 PM
> Subject: Re: [Land-speed] ( Dear Jack ) & LOOK MA: NO Valve Springs !!!!!
> > Wikipedia says :
> > >and in 1907 the Aries is described as having a V4 engine with
> > >"desmodromique" valve actuation, >but details are scarce.
> > I didn't think Nick was nearly that old .