HELICOPTER WEIGHING (AIRCRAFT ON JACKS) continued
(for nose reaction)
E = I - B
a plumb bob can be dropped to the ground.
01-1B-40 AND TM-55-405-9
F = E - D
(for tail reaction)
WEIGHT AND BALANCE TECHNICIAN
Not to be posted on Chart C
(If the jib point is aft of the center line of the main reactions.)
DIAGRAMS FOR MEASURING VARIOUS TYPES OF REACTIONS TO DETERMINE ARM OF SUPPORT POINTS.
(last, first, M.I.)
REPLACES DD FORM 365B, SEP, WHICH WILL BE USED
in Chart E.
Obtain from the aircraft diagram
E = I + B
DUTY PHONE NUMBER
the distance from the reference datum to the center line of the main reactions.
Check dimensions E and F against approximate dimensions listed on Chart E.
the distance between the main and nose tail reaction. Obtain by measurement.
the distance from the reference datum to the jib point of the aircraft,
F = E + D
the distance from the reference datum to the center line of the nose or tail
FORM B - AIRCRAFT WEIGHING RECORD
NOSE OR TAIL
FOR USE IN T.O 1-1 B-40, NAVAIR
Obtain by measurements.
the distance from the jib point, to the center line of the main reactions.
(Wheels, jackpoints, etc.)
Aircraft Weighing Record DD Form 365-2
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