Balance Data - Piper Navajo PA-31 Service Manual

Master Test Weight Lbs.
Test Weight Arm In
Inches
Maximum No. of 0.1
Lb. Test Weights
Allowed
Trim Weight Part No.
Maximum No. of Trim
Weights Allowed
Per Surface
Allowable Balance
Weights
Balance Limits
Inch-Pounds
Aileron
40200-00
40200-01
40200-37
0.90
6.67
6
N/A
N/A
5
8+2
0
Aileron
40200-42
40200-43
0.00 TO 0
(5)
6.00
NA
(3)
54395-2-3
4
31-310
Elevator
40140-00
40140-01
40140-28
40140-29
11.84
8.28
12
43332
2 per
Anchor
Nut
PIPER NAVAJO SERVICE MANUAL
TABLE IV-I. BALANCE DATA
31-300
31-310
Elevator
43757-00
43757-01
43757-171(2)
43757-180(2)
54232-20(2)
54232-31(2)
11.84(6)
8.28
31-310
Elevator(l)
with Wing
Lockers
43757-00
43757-01
43757-173(2)
43757-182(2)
54232-26(2)
54232-37(2)
10.39(4) 2 @ 1.82
31-325
Elevator
54232-22(2)
54232-33(2) 4(
8.28
Rudder
40046-00
8.28
12 12(4) 11 (Total
of Both
Sides)
43332 43332 43332
2 per
Anchor
Nut
)046-26
8.75
5.03
1 per
Anchor
Nut
(8 MAX.)
2 per
Anchor
Nut
(6 max.)
4.70
40 +0
-10
5.20(5) 1.00
0 +0
-3
1.00 1.15
108 +0 96 +0
-10 -10
43332
9
6.30
49 +0
-5
53892-2
6.70
49 -0
-5
Rudder
40046-39
8.75
5.03
9
108 +0
-10
FOOTNOTES:
I
When wing nacelle lockers are installed. the elevators shall be balanced with the elevator tab
actuating rod removed.
2.
The latest revision of Piper Service Bulletin No. 690 must be complied with.
.
Maximum condition = (3) 54395-2 trim weights and ( 1) 54395-3 trim weight.
4.
Elevator assemblies P N 43757-173. -182. PA-31 only. with wing lockers thetest weight is 10.41b..
maximum number of 10 lb weights added to the counter weight is II and balance limits is
96 -0 -10.
5
Earlier aileron assemblies P N 40200-42. -43 (PA-31-325 only) there is no test weight. maximum
number of 10 lb. weights added to the counter weight is 6 and the balance limit is 0 +0 -3
6.
Elevator assemblies P N 43757-17.-18. PA-31-325 without wing lockers the test weightis I 931b (2
required). the maximum number of 10 lb weights added to counter weight is 12 (6 each side) and
balance limits 40 +0 -10.
Revised: 3/2/84
STRUCTURES
1G6