--- In [email protected], "Andrew Dyke" <[EMAIL PROTECTED]> wrote: > > > > > Brian wrote: > >> OK all you "engineers" out there, What would you suggest is the > > efficiency > >> of the modern.1950+ diesel engine as found in a canal boat and by > > efficiency > >> I mean the amount of useful energy derived from the fuel > > discounting heat > >> used for space or water heating. > > From: "roger_millin" <[EMAIL PROTECTED]> > > > Brian, if you mean how much of the fuel energy is turned into real > > work at the flywheel end of the crankshaft of the engine then I > > think its in the low 40% region. The other energies that are > > released are heat (to the cooling system, the exhaust and to the air) > > and noise (into the exhaust and the air). Then you have internal and > > parasitic losses, friction, windage in the crankcase as the crank > > revolves, > > Big snip > Yawn, somebody give me nudge when he's finished prattling on. :-) > > Regards > > Andrew & Wendy
Anyone want to talk about the efficiency of direct injection v indirect injection - especially at higher speeds? :-) Tony Brooks (Actually it may have some use for canal boaters visiting the Thames for the first time who want to play tag with the tupperwae brigade.) ------------------------ Yahoo! Groups Sponsor --------------------~--> Check out the new improvements in Yahoo! Groups email. http://us.click.yahoo.com/6pRQfA/fOaOAA/yQLSAA/ygtolB/TM --------------------------------------------------------------------~-> Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/canals-list/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
