m13katyusa2020
Senior Airman
- 470
- Mar 26, 2022
T74 is a 550-hp turboshaft engine, a military virent of early PT6A-21.
DIMENSIONS
Weight .............................................................................................................................................. 275 Pounds*
Length ................................................................................................................................................... 62 inches
Diameter................................................................................................................................................. 19 inches *
Engines with Serial No. ending with A, 294 pounds approx.
MECHANICAL DEFINITIONS
Compression ratio ............................................................................................................................................ 6.3
Reduction ratio ........................................................................................................................................... 0.0668
Propeller ......................................................................................................................................................... CW
LUBRICATION Oil................................................................................................................................MIL-L-23699 or MIL-L-7808
Oil tank capacity .................................................................................................... 2.3 gallons, 1.5 gallons usable
Consumption ............................................................................................................................................ 0.2 lb/hr
Oil pressure ............................................................................................................................................40-84 psi
Operating temperature ..........................................................................................................................190-210°F
FUEL JP4 or JP5 .......................................................................................................................................... MIL-T-5624
Specific fuel consumption .............................................................................................. 0.649 lb/shp/hr (nominal)
PERFORMANCE
Shaft horsepower, shp .................................................................................................................................... 550
Compressor turbine speed, Ng...................................................................................................... 38100 (101.5%)
Power turbine speed, Nf .................................................................................................................. 33000 (100%)
Propeller shaft speed, Np ....................................................................................................................... 2200 rpm
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
Maintenance manual:
u.pcloud.link
alternate link:
Illustrated Parts Catalogue:
u.pcloud.link
alternate link:
Folder is here:
u.pcloud.link
alternate link:
www.mediafire.com
another alternate link with access code 1234 is here
DIMENSIONS
Weight .............................................................................................................................................. 275 Pounds*
Length ................................................................................................................................................... 62 inches
Diameter................................................................................................................................................. 19 inches *
Engines with Serial No. ending with A, 294 pounds approx.
MECHANICAL DEFINITIONS
Compression ratio ............................................................................................................................................ 6.3
Reduction ratio ........................................................................................................................................... 0.0668
Propeller ......................................................................................................................................................... CW
LUBRICATION Oil................................................................................................................................MIL-L-23699 or MIL-L-7808
Oil tank capacity .................................................................................................... 2.3 gallons, 1.5 gallons usable
Consumption ............................................................................................................................................ 0.2 lb/hr
Oil pressure ............................................................................................................................................40-84 psi
Operating temperature ..........................................................................................................................190-210°F
FUEL JP4 or JP5 .......................................................................................................................................... MIL-T-5624
Specific fuel consumption .............................................................................................. 0.649 lb/shp/hr (nominal)
PERFORMANCE
Shaft horsepower, shp .................................................................................................................................... 550
Compressor turbine speed, Ng...................................................................................................... 38100 (101.5%)
Power turbine speed, Nf .................................................................................................................. 33000 (100%)
Propeller shaft speed, Np ....................................................................................................................... 2200 rpm
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
Maintenance manual:
TM-55-2840-251-23.pdf - Shared with pCloud
Keep, share and access your files whenever you need from wherever you are. Create a free pCloud account and make your life easier.
TM-55-2840-251-23
MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share them everywhere.
www.mediafire.com
Illustrated Parts Catalogue:
TM-55-2840-251-23P.pdf - Shared with pCloud
Keep, share and access your files whenever you need from wherever you are. Create a free pCloud account and make your life easier.
TM-55-2840-251-23P
MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share them everywhere.
www.mediafire.com
Folder is here:
550hp_old_T74_engine_public_manual - Shared with pCloud
Keep all your files safe, access them on any device you own and share with just the right people. Create a free pCloud account!
MediaFire
MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share them everywhere.
another alternate link with access code 1234 is here
Last edited:
