TM-9-2815-205-34

ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

AUGUST 1992

TM-9-2815-205-34 - Page 528 of 596

TM 9-2815-205-34

4-10. RUN-IN OF ENGINE (Cont)

b. Horsepower Correction and Acceptance Test.

(1) See Table 4-3 for listing of required terms.

Table 4-3. List of Required Terms

Symbol

Name Units

Observed Barometric Pressure

inches Hg

Dry Barometric Pressure

inches Hg

Engine Air Intake Temperature

°F

Dry Bulb Temperature

°F

Wet Bulb Temperature

°F

Water Vapor Pressure

inches Hg

Air Correction Factor

HP

Fuel Specific Gravity Correction Factor

HP

Fuel Temperature Correction Factor

HP

Brake Horsepower Observed

HP

Brake Horsepower Corrected

HP

(2) Dry Barometric Pressure.

(a)

(b)

(c)

(d)

Measure wet-bulb and dry-bulb temperatures

Record observed local barometric pressure (BARO

O

).

Refer to Table 4-4 for water vapor pressure (VP) at observed wet-bulb and dry-bulb

temperatures.

Dry barometric pressure is:

4-44