On Fri, 1 Jul 2011 13:52:08 +0100, Ken wrote in message <[email protected]>:
> Thanks Arnt > > So Lister at 650rpm and 139.7mm stroke is only 3m/s. I would call > that slow. ..the key is piston speed during the cylinder charge combustion vs piston movement during that combustion. Static minds may find that kinda math challenging, so they pretend it's all about gas expansion and constant speeds and nothing else. ;o) > Now how does that tie in with the slow flame speed of woodgas - does > it work in our favour? ..maybe, do the math and check it against your experiment, then decide whether the map or the terrain is right. ;o) > > Ken > > > > On 1 July 2011 13:30, Arnt Karlsen <[email protected]> wrote: > > > On Fri, 1 Jul 2011 14:05:19 +0200, Rolf wrote in message > > <[email protected]>: > > > > > Hello Ken, > > > > > > it all relates to many factors, piston speed, head cavern > > > design,piston surface temp,timing of course,all versus flame > > > propagation speed. A small "normal" 1500/1800 or even 3000/3600 > > > engine can very well have slower piston speeds than a big > > > oldfashioned longstroke engine. > > > > ..chk top 2 of http://google.com/search?q=rpm+vs+piston+speed > > > > > By the way, have you ever tinkered with the prechamber form in > > > your Lister? > > > > > > Is Jim' s Listeroid DI ? Can' t ask him myself 'cause he doesn' t > > > answer me any more. > > > > ..that may easily be a signal-to-noise issue... ;o) > > > > -- > > ..med vennlig hilsen = with Kind Regards from Arnt Karlsen > > ...with a number of polar bear hunters in his ancestry... > > Scenarios always come in sets of three: > > best case, worst case, and just in case. > > > > _______________________________________________ > > Gasification mailing list > > > > to Send a Message to the list, use the email address > > [email protected] > > > > to UNSUBSCRIBE or Change your List Settings use the web page > > > > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org > > > > for more Gasifiers, News and Information see our web site: > > http://gasifiers.bioenergylists.org/ > > -- ..med vennlig hilsen = with Kind Regards from Arnt Karlsen ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Gasification mailing list to Send a Message to the list, use the email address [email protected] to UNSUBSCRIBE or Change your List Settings use the web page http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org for more Gasifiers, News and Information see our web site: http://gasifiers.bioenergylists.org/
