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Page |
INTRODUCTION |
8 |
PART 1 GENERAL DESCRIPTION |
9 |
The Computer Mark 1 in the Gun Director Mark 37 System |
10 |
Automatic Fire Control in the Gun Director Mark 37 System |
24 |
A simplified account of Tracking, Prediction, and Stabilization |
28 |
A more detailed account of Tracking, Prediction, and Stabilization |
43 |
Parallax Corrections |
66 |
The Star Shell Computer Mark 1 |
68 |
Summary of Computer Mark 1 Data |
72 |
Design Features of the Computer Mark 1 |
76 |
PART 2 OPERATION |
79 |
OPERATING CONTROLS |
80 |
The Dials on the Front of the Computer Mark 1 |
82 |
The Controls on the Front of the Computer Mark 1 |
94 |
Handcranks and Dials on the Rear Top of the Computer |
102 |
The Target Course Indicator |
106 |
The Star Shell Computer |
107 |
OPERATING INSTRUCTIONS |
110 |
The Four Types of Operation |
112 |
Secured Condition |
114 |
Standby Condition |
116 |
Automatic Operation |
120 |
Semi-automatic Operation |
122 |
Manual Operation |
126 |
Local Operation |
136 |
Summary of Special Types of Operation |
138 |
SAMPLE PROBLEM |
148 |
OPERATING CAUTIONS |
156 |
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Page |
PART 3 DETAILED DESCRIPTION |
INTRODUCTION |
161 |
THE DECK TILT GROUP |
164 |
The Inputs to the Deck Tilt Group |
165 |
The Deck Tilt Mechanism |
166 |
THE RELATIVE MOTION GROUP |
172 |
The Inputs to the Relative Motion Group |
173 |
The Mechanism |
175 |
Relative Motion for a Surface Target |
178 |
Relative Motion for an Air Target |
180 |
The Height Computer |
184 |
THE INTEGRATOR GROUP |
186 |
The Mechanism in the Integrator Group |
187 |
Generated Changes of Range |
189 |
Generated Changes of Elevation 190 Generated Changes of True Bearing |
194 |
THE RATE CONTROL GROUP |
202 |
The Four Main. Methods of Rate Control |
204 |
Local Control |
208 |
Manual Control of Rates |
214 |
Semi-automatic Rate Control |
218 |
The Rate Control Computing Mechanism |
220 |
Making Rate Corrections in Semi-auto |
232 |
Automatic Rate Control |
240 |
The Target Course Indicator |
254 |
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2
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Page |
THE PREDICTION SECTION |
266 |
The Mechanism in the Prediction Section |
268 |
Computing Advance Range, R2 |
276 |
Computing Predicted Target Elevation, E2 |
280 |
Computing Sight Angle, Vs |
284 |
Computing Sight Deflection, Ds |
286 |
Computing Fuze Setting Order, F |
288 |
Computing Wind Rates |
292 |
Initial Velocity |
308 |
Spots |
312 |
THE TRUNNION TILT SECTION 314 |
Setting up the Line of Fire from the Horizontal |
316 |
The Line of Fire from a tilted deck |
318 |
The Mechanisms and the Equations |
320 |
Computing Vz |
321 |
Computing Dd |
322 |
THE SYNCHRONIZE ELEVATION GROUP |
326 |
The Synchronize Elevation Mechanism |
332 |
The Elevation Lines in Continuous Aim |
334 |
The Elevation Lines in Selected Level Fire with Elevation selected at the Director |
335 |
The Elevation Lines in firing without a Director |
336 |
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Page |
THE PARALLAX SECTION |
338 |
A summary of the Parallax Corrections |
342 |
Train Parallax Correction, Ph |
343 |
Elevation Parallax Correction, Pv |
346 |
The Parallax Shift Gears |
348 |
Elevation Parallax Correction, Pe |
350 |
Derivation of the Parallax Equations |
354 |
THE STAR SHELL COMPUTER MARK 1 |
356 |
Star Shell Range |
358 |
Star Shell Fuze Setting Order |
359 |
Star Shell Gun Train Order |
360 |
Star Shell Gun Elevation Order |
362 |
THE SELECTOR DRIVE MARK 1 |
368 |
APPENDIX |
LIMITS OF ACCURATE COMPUTATION |
378 |
MODIFICATION DIFFERENCES |
382 |
Major Modification Differences |
383 |
Pertinent Serial Numbers |
386 |
List of FORDALT's |
388 |
List of ORDALT's |
390 |
List of OD's |
391 |
Details of Modification Differences |
392 |
Table of Modification Differences |
399 |
GLOSSARY OF QUANTITIES AND SYMBOLS |
401 |
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There is a detailed ALPHABETICAL INDEX on page 421
There is a schematic diagram of the entire Computer Mark 1 at the end of this pamphlet 433
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3
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COMPUTER MK 1A - OP 1064 Addendum
TABLE OF CONTENTS
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|
Page |
INTRODUCTION |
1 |
GENERAL DESCRIPTION |
Basic Mechanisms |
2 |
Types of Targets and Attack |
3 |
Automatic Fire Control in the Gun Director Mk 37 System |
3 |
Tracking the Target |
3 |
The Rate Control Group |
3 |
How Rate Control Corrects Rate of Climb, Target Speed, and Target Angle |
4 |
Another Way to Think About Rate Control |
5 |
Parallax Correction |
5 |
The Star Shell Computer |
5 |
Inputs and Outputs of Computer Mk 1A |
5 |
SUMMARY OF COMPUTER MK 1A DATA |
6 |
Size - Weight - Power Supply |
6 |
Limits of Operation |
6 |
Design Features |
14 |
OPERATION |
OPERATING CONTROLS |
15 |
The Dials on the Front of Computer Mk 1A |
15 |
Time Motor and Power Switches |
15 |
Initial Velocity and Dead Time |
17 |
The Controls on the Front of Computer Mk 1A |
17 |
The Controls in the Target and Ship Group |
17 |
The Controls at the Range Station |
17 |
The Controls at the Bearing Station |
18 |
The Controls at the Elevation Station |
18 |
Handcranks and Dials on the Rear Top of the Computer |
18 |
The Target Course Indicator |
19 |
The Star Shell Computer |
19 |
OPERATING INSTRUCTIONS |
20 |
The Conditions of the Computer |
20 |
Types of Operation |
20 |
Instructions for Operating Computer Mk 1A |
20 |
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Page |
Secured Condition |
20 |
Standby Condition |
21 |
Standby for an Air Target |
21 |
Automatic Operation |
21 |
Manual Operation Against an Air Target |
22 |
Standby for a Surface Target |
22 |
Automatic (Normal) Operation (Surface Target) |
22 |
Local Operation |
22 |
Main Battery Operation |
22 |
Operating Cautions |
22 |
DETAILED DESCRIPTION |
Relative Motion and Integrator Groups |
23 |
Increase of Target Speed |
23 |
Shaft Values 23 |
Integrator Group |
23 |
RATE CONTROL |
24 |
Handcranks and Dials Used in Rate Control |
24 |
The Rate Control Computing Mechanism |
24 |
The Rate Error Correction Measuring Network |
24 |
Target Motion Correction Computing Network |
25 |
Sensitivity Control |
28 |
Sensitivity Control of Range Rate Control Network |
32 |
Sensitivity Control of the Elevation and Bearing Rate Control Networks |
32 |
Summary of Operation of the Elevation and Bearing Sensitivity Control Network |
34 |
Local Control |
37 |
Normal (Automatic) Control |
37 |
Automatic Tracking Controls |
37 |
The Control Switch |
42 |
The Range Rate Control Switch |
42 |
Time Motor Control System |
42 |
The Low E Switch |
44 |
The Target Course Slew System |
45 |
Control of Range Input |
45 |
Low Range Switch |
46 |
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4
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Page |
PREDICTION SECTION |
46 |
Computing Advance Range, R2 |
47 |
The Elevation Prediction Network |
47 |
Computing Sight Deflection, Ds |
48 |
Computing Fuze Setting Order, F |
48 |
Initial Velocity |
50 |
SPOTS |
50 |
Elevation Spot for Surface Fire |
50 |
Gun Orders |
50 |
THE SYNCHRONIZE ELEVATION GROUP |
50 |
The Elevation Transmitter |
50 |
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Page |
Parallax |
51 |
Parallax Range |
51 |
Elevation Parallax Correction, Pe |
51 |
MOD DIFFERENCES |
52 |
Serial Numbers |
52 |
List of Fordalts |
52 |
List of Ordalts |
53 |
Table of Modification Differences |
53 |
COMPARATIVE INDEX |
57 |
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There is a schematic diagram of the entire Computer Mark 1A at the end of this addendum 59
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