TM-9-1240-401-34-P
TELESCOPE MOUNT M146: M118A2 AND M118A3; TELESCOPE MOUNT M145: M145A1; PANORAMIC TELESCOPE: M117 AND M117A2; FIRE CONTROL QUADRANT: M15; PERISCOPE: M42
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
JULY 1993
TM-9-1240-401-34-P - Page 33 of 590
TM 9-1240-401-34&P
M145/M145A1 TELESCOPE MOUNT
PHYSICAL CHARACTERISTICS
Length .
...........................................................................................................................................
21 in. (533.4 mm)
Width (with attaching bolts).
...............................................................................................................
20.5 in. (520.7 mm)
Height.
............................................................................................................................................
20.5 in. (520.7 mm)
Weight:
Mount .
..........................................................................................................................................
96 Ibs (43.54 kg)
Plates .
............................................................................................................................................
11 Ibs (4.99 kg)
Linkage .
........................................................................................................................................
31 lbs (14.06 kg)
MOVEMENT
Elevation .
..........................................................................................................................................
-50 to +1333 mils
Correction (elevation).
......................................................................................................................................
50 mils
Cross-level adjustment .
.........................................................................................................................................
10
Pitch adjustment.
................................................................................................................................................
10
Incremental reading (counters) .
..............................................................................................................................
1 mil
M117/M117A2 PANORAMIC TELESCOPE
PHYSICAL CHARACTERISTICS
Length .
..............................................................................................................................................
9 in. (228.6 mm)
Width .
...............................................................................................................................
8.25 in. (209.55 mm)
Height.
................................................................................................................................................
20 in. (508 mm)
Weight.
......................................................................................................................................
14 lb 6 oz (6.520 kg)
OPTICAL CHARACTERISTICS
Power.
.......................................................................................................................................................................
4X
Field of view .
........................................................................................................................................................
10°
Exit pupil diameter.
.........................................................................................................................
0.165 in. (4.191 mm)
Effective focal point:
Objective.
.............................................................................................................................
4.004 in. (101.702 mm)
Eyepiece .
...............................................................................................................................
1.250 in. (31.750 mm)
Clear eye distance .
.....................................................................................................................
0.700 in. (17.780 mm)
MOVEMENT
Deflection (azimuth) .
.....................................................................................................................................
6400 mils
Incremental reading (deflection).
..........................................................................................................................
1/4 mil
Elevation .
..................................................................................................................................................
300 mils
Correction (deflection).
...................................................................................................................................
50 mils
1-23
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