By A. Dixie
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Additional info for Air Navigation for Flight Officers [Royal Navy Air Svc]
Sample text
Coefficient D. Is the effect of induction in horizontal soft iron acting longitudinally or transversely. If the effect of the transverse iron is greater than that of the longitudinal 36 it causes a + D, COEFFICIENTS and it the effect of the longitudinal causes a - D. e. 45, 135, 225, 315), diminishing on the cardinal points. Devn 225 Oevn Wly. FIG. 15. Diagram for -f- C. Curve for found by taking the mean of the deviations on the semicardinal points, changing the signs on south-east and north-west.
Ely. 180 1 8. Diagram ' Proportion l FIG. 17. FIG. 2 2 for + D. 39 2 AIR NAVIGATION FOR FLIGHT OFFICERS Diagram for + D. (Fig. ) The white rods denote that the iron is non-magnetic. Devn Max. 225 Wly. Devn. Max. FIG. 19. Diagram for Curve D. The other coefficient caused by iron running not proposed to go into is called E for and obliquely, but here. it is is it The Effect of Vertical Iron. Vertical iron causes what is known as Heeling Error/ which comes into action on the machine banking. ' 40 ANALYSIS OF DEVIATION This is maximum on zero on east north and south, and and west.
Max. FIG. 19. Diagram for Curve D. The other coefficient caused by iron running not proposed to go into is called E for and obliquely, but here. it is is it The Effect of Vertical Iron. Vertical iron causes what is known as Heeling Error/ which comes into action on the machine banking. ' 40 ANALYSIS OF DEVIATION This is maximum on zero on east north and south, and and west. Analysis of a Table of this is meant the splitting Deviations. up By of a table of deviations into the various coefficients, which is done by following the rules given in the explanation of the various coefficients.