PLATE IV - MOTOR AND APPARATUS COMPARTMENT

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         KEY TO PLATE IV 
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         GERMAN ACOUSTIC TORPEDO 
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         T-5 ( FLAT-NOSED TYPE ) 
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         MOTOR AND APPARATUS COMPARTMENT 
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| N | “Hauptschalter” | 
| Main switch | |
| O | “G-Schalter” | 
| “Geschwindigkeitsschalter” | |
| Speed switch; not used for speed settings, but for NS,WS,SS,L/O settings | |
| P | “Generator” | 
| Generator | |
| Produces D.C. (28-32 volts) and A.C. (220-230 volts) | |
| P1 | “Füll-und-Absperrventil” | 
| Air inlet and blocking-off valve | |
| P2 | “Rudersperrung und Stoppvorrichtung” | 
| Rudder locking and blocking arrangement | |
| Q | UNKE (Toad) | 
| “Umformer” | |
| Produces A.C. | |
| Q1 | “Zugangspforte” | 
| Access ports | |
| R | Junction and fuse box | 
| Fuses – 6 Amperes | |
| R1 | “Kupplungsdose” | 
| Coupling box | |
| R2 | 1000 Ampere fuse | 
| T | “Motor” (“8-polige Hauptschluss Motor ohne Wendepole”) | 
| Motor – 1200 r.p.m.; 100 h.p. (8-pole series wound motor without interpoles) | |
| T1 | “Motorwelle” | 
| Motor shaft | |
| U | “Fühlhebelschalter” | 
| Contact lever; air activated safety switch for pistol in event of hot runner; connected with “Spornbuss” (F1, plate II) | |
| U1 | “Tiefenapparat” | 
| Depth setting gear | |
| V | “Entstörungskasten” | 
| Filter | |
| V1 | “Tiefensteuermaschine” | 
| Depth setting engine | |
| V2 | “Pufferoinrichtung” | 
| Buffer | |
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         KEY TO PLATE IV 
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         Page 2 
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| V3 | “Tunnelboden” | 
| Tailpiece | |
| V4 | “Wellenabdichtung” | 
| Shaft packing box | |
| V5 | “Tiefenruderstange” | 
| Horizontal rudder operating rod | |
| Y | ENTE-C ( Duck ; type C ) | 
| Rudder-return (to midships position) delay device, on NS setting only | |
| Y1 | “Regler für G.A.” | 
| Air pressure reducer for gyro | |
| Y2 | “Steuermaschine für G.A.” | 
| Steering engine for gyro | |
| Y3 | “Winkeleinstellvorrichtung” | 
| Angle-setting gear | |
| Y4 | “G.A.” | 
| Gyro | |
| Y5 | “G.A. Steuerstange” | 
| Gyro steering rod | |
| Z1 | “Joch für G.A. Ruder” | 
| Yoke for vertical rudders | |
| Z2 | “G.A. Ruder” | 
| Vertical rudders | |
| Z3 | “Tiefenruder” | 
| Horizontal rudder (port horizontal rudder not shown) | |
| Z4 | “Erste Schraube” | 
| First propeller – 2-bladed | |
| Z5 | “Zweite Schraube” | 
| Second propeller – 2-bladed | |