[SEL] The McVickerish Engine

[Elden DuRand]

Larry:

In a word, Interesting!

Take care - Elden
http://www.oldengine.org/members/durand 

> -----Original Message-----
> From: sel-bounces at lists.stationary-engine.com
> [mailto:sel-bounces at lists.stationary-engine.com]On
>  Behalf Of Larry Evans
> Sent: Tuesday, March 23, 2010 11:51 AM
> To: The SEL email discussion list
> Subject: Re: [SEL] The McVickerish Engine
> 
> 
> Elden:
> 
> This reminds me of an experiment I ran a while 
> back with the 50 hp. 
> Fairbanks Morse spark ignited engine at the Mount 
> Wilson Observatory.  What 
> I did was run the engine up to its regulated 
> speed of 290 rpm. and then 
> killed the ignition and fuel to shut it down.  It 
> took 2 minutes and 45 
> seconds to come to a complete stop.  I then did 
> the exact same thing but 
> also opened the compression releases at shut 
> down.  It took just 2 minutes 
> to come to a stop which indicates to me that 
> governing against compression 
> probably is a little more efficient than not.
> 
> Larry