Aero242                                           Inclass 3                                                S99



                                                                               Name ____________________


                                             CRUISE CLIMB

Wingspan            53.3 ft
Wing area            318 sq ft
Gross T/O Weight            19815 lb
Fuel Capacity            1119 gal kerosene
             1 gal kerosene weighs 6.67 lb
Power Plant            2 turbofans
             3650 lb thrust each @ MSL
TSFC            0.60 lb/lb-hr
CDo            0.020
e            0.81

The above a/c begins a 3000 statute mile cruise climb at an altitude of 22000 ft above MSL.
Assuming it begins with a weight equal to its gross take-off weight, determine:
a. amount of fuel burned in gallons            _________ gallons
b. altitude at completion of cruise            _________ ft

Complete the problem at home if necessary