|
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 |
|
|
|
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 |
|
2
|
|
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 |
|
|
|
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 |
|
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
|
3
|
|
COMPUTER MK 1A - OP 1064 Addendum
TABLE OF CONTENTS
|
|
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 |
|
|
|
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 |
|
4
|
|
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 |
|
|
|
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 |
|
|
There is a schematic diagram of the entire Computer Mark 1A at the end of this addendum 59
|
|
