Bleed valve schedule.

Bleed valve schedule.

Postby turbine guy on Sun Nov 08, 2009 10:32 am

Hey all, I'm looking for the bleed valve schedule for the P&W JT3. (Actually GG3, but is a converted J57) Engine being used in ground power, electrical generation utility application. Bleed valve schedule was lost and need to find where this thing should be running.
Schedule should be similar to J57 military, JT3 and TF33 commercial flight engines.
I'm guessing that the BV should be closed with the HP speeds above 7500 RPM, but I don't want to stall this thing and need a proper schedule.

turbine guy
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