Quote:
Originally Posted by Ryland
Battery buffer!
|
But that is only part of the answer. The question is why diesel-electric buses have good performance. The answer is that the engine isn't running at best economy when they are accelerating. The cruise power may be around 40 hp and the full power needed to get up to speed could be 5 times higher. At 40 hp the engine might be in the 30% efficient range. But at 200 hp it may be 20% or worse. Really no different than any other car truck or bus.
-mort