![]() If the other vessel has drawn abaft the beam, intercepting is assured unless it should alter course or speed, and it may be hastened by altering the submarines course gradually toward the other vessel until the bearing of the latter is held constant. The basic principle involved is that a submarine or any vessel desiring.Īfter the intercepting submarine has been steaming an appreciable time. That on the reverse side is a form of circular slide rule or speed omnimeter arranged to solve for enemy speed with data secured during the approach. The device on the obverse side is a form of the well known Is-Was, or submarine attack course finder devised by Captain Nasmith, Commander, R.N. Plate VII - General Arrangement Drawing 95060. Plate VI - Photograph of Speed Omnimeter Neg. ![]() Plate I - Diagram of Course Problem Plate II - Diagram of Speed Problem Plate III - Setting of Instrument for Course Problem Plate IV - Setting of Instrument for Speed Problem Plate V - Photograph of Course Finder Neg. Revised Sheets 4, 5 6, revision letter E and reproduced them under letter F see revision no. Please report any typos, or particularly annoying layout issues to the Mail Feedback Form for correction. With the authors permission, here are the files you can use make your own replica Attack Course Finder for non-profit purposes: attackfinder-color.pdf. Angle On Bow Calculator Series Of Transverse.
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