Federal Aviation Administration, DOT

Pt. 25, App. F
rimeter face. Ensure that the horizontal centerline of the burner cone is offset 1 inch
below the horizontal centerline of the calorimeter (figure 8). Without disturbing the
calorimeter position, rotate the burner in
front of the thermocouple rake, such that
the middle thermocouple (number 4 of 7) is
centered on the burner cone.

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spaschal on DSK3GDR082PROD with CFR

graduated cylinder for a 2-minute period. Determine the flow rate in gallons per hour.
The fuel flow rate must be 6.0 Section0.2 gallons per
hour (0.378 Section0.0126 L/min).
(e) Calibration. (1) Position the burner in
front of the calorimeter so that it is centered
and the vertical plane of the burner cone exit
is 4 Section0.125 inches (102 Section3 mm) from the calo-