Allstar PZL Glider SZD-54-2 Perkoz, Техническое и сервисное руководство

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SECTION 7.
SAILPLANE WEIGHING
TECHNICAL SERVICE MANUAL
SZD-54-2
„Perkoz”
page 7.8
Allstar PZL Glider Sp. z o.o.
Doc No. 542.4.02
Issue II April 2014
Revision No. 2 May 2017
corrected
Example:
Sailplane after equipment changing has a mass m
bp
= 860 lb and
corresponding CG position X
bp
= 30,3 in.
To bring it into correct X
bp
position ballast should be placed on back of
sailplane at position shown in
Fig. 7‒3.
(X
bp
)
k
value is assumed as recommended (X
bp
)
k
= 31 in.
Additional balancing ballast mass is:
 
lb 3,6
31 199,21
30,3 31 860
m
bt


 

Final values entered in record are as follows:
m
bp
= 860+3,6 = 863,6 lb
X
bp
= (X
bp
)
k
= 31 in
2