speed and cutoff

[nw-mailing-list at nwhs.org]

Amazo!  A souped-up USRA compound had more DBHP than an A!  I've got  
to go back into your(?) book and compare boiler specs.

pete groo
On Jan 14, 2006, at 11:35 AM, nw-mailing-list at nwhs.org wrote:

John,

. . .
2.    The Y6b's [later included the improved Y5 and Y6's] were worked  
at about 55% cutoff before the engineer regulated power needs by the  
throttle. The maximum DBHP of 5600 was at 25 MPH.

3.    For the single expansion A's and J's, they were operated at  
about 25-30% cutoff while running. I have nothing about the cutoff at  
70 MPH that you asked for. The A developed a maximum 5350 DBHP at 40  
MPH and the J 5150 DBHP at 41 MPH.
. . . 
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