The trouble with turbines


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Posted by Sherman in Idaho [72.47.153.112] on Tuesday, January 28, 2014 at 20:26:45 :

In Reply to: Re: the chrysler turbine is the project posted by Kaegi [98.247.164.246] on Tuesday, January 28, 2014 at 19:49:08 :

Turbines have one speed at which they're extremely efficient, but the efficiency drops off quickly as you go anywhere away from that speed. Piston engines are about equally efficient over a wide range of speeds and power levels, although of course they have an optimum speed as well. I could see a small gas turbine in a hybrid car running at ideal speed whenever needed to charge the battery, but driving a vehicle directly where you need a good 3:1 speed range out of the engine... the inefficiency kills you.



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