Probably the goal of an efficient, reliable, affordable turbine engine is a question of "pick any two"
On Wed, Feb 23, 2022, at 11:28 AM, Jim Cathey via Mercedes wrote: >> A turbine would be interesting but if I recall they are not particularly >> fuel efficient, > > IIRC, all combustion engines are about equally efficient, at optimum loading. > (Whatever that is for the technology.) Turbines have poor throttle response, > and poor efficiency at lower throttle. Wouldn't matter here. > > So, an optimally-sized turbine running at one load point, that of charging, > should fit the need well. Input and output tuned acoustically, for minimal > noise, at the single load point. High RPM means high energy density, > therefore small. Turbine can run on shitty fuel, no need for a Volt-like > insistence on running the engine periodically just to keep the fuel from > going stale. > >> and the gearbox would be needed to get it down to generator speeds. > > No gearbox. Design a permanent-magnet generator that can run directly > at turbine speed. No brushes, no spinning wire to fly apart. > > Like I said, there would be some up-front engineering costs, significant > ones, but the _result_ would be magnificent. > > -- Jim > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
