RE: (erielack) ALCO"S

["Tupaczewski, Paul R (Paul)" <paultup_@_lucent.com>]

Chuck Yungkurth wrote:

> Whether a diesel locomotive is 2 or 4 cycle has nothing to do 
> with it's 
> tractive effort. This is determined by design factors such as 
> locomotive 
> weight, truck springing arrangement, and the engine horsepower. 


Chuck's right here. The only relevance the 2- or 4-stroke engine might make is how quickly the engine "loads" - i.e., how responsive to the the throttle it will be.

Biggest factor in tractive effort is, obviously, locomotive weight (how much "stick" to the rail does the unit have)

	- Paul

------------------------------