3M Engines

Rcmaster199 at aol.com Rcmaster199 at aol.com
Wed Apr 30 14:58:03 AKDT 2003


In a message dated 4/30/2003 4:35:03 PM Eastern Daylight Time, 
wgalligan at cnbcom.net writes:


> Subj:Re: 3M Engines 
> Date:4/30/2003 4:35:03 PM Eastern Daylight Time
> From:<A HREF="mailto:wgalligan at cnbcom.net">wgalligan at cnbcom.net</A>
> Reply-to:<A HREF="mailto:discussion at nsrca.org">discussion at nsrca.org</A>
> To:<A HREF="mailto:discussion at nsrca.orgdiscussion@nsrca.org">discussion at nsrca.orgdiscussion@nsrca.org</A>
> Sent from the Internet 
> 
> 
> 
> OK.. one more time on this. 
> 
> You cannot possibly get the mass of our engines centered, if you did you 
> would have an engine like the Wankel or RCV. The mass of the cylinder head 
> and header, piston, etc. does have influence on the impulses from the 
> engines firing stroke.  But all of our engines used today, OS, YS, Webrea, 
> Mintor, ST and the likes are all basicly the same or near the same in size 
> and mass give or take on ounce or two or mm or two.  If your not rotating 
> this mass in the same plane as the c/l of the mount(the crankshaft center) 
> then you are defeating the purpose of a rotationaly dampened mount.  So 
> keep the engine mounting beams on the c/l of the mount.   Merle has a 
> design that is going to be hard to improve on.  Perhaps something like a 
> viscous fluid filled mount like we have in our cars scaled down.  But then 
> getting them light enough is an issue. 
> 
> Wayne
> 

You don't need a viscous fluid for the small mass you are trying to dampen. 
An air bladder would suffice. The weight gain for the valve will be minimal

Matt Kebabjian
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