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Abstract of measurement of the spin of a projectile in flight

โœ Scribed by Howard D. Warshaw

Publisher
Elsevier Science
Year
1949
Tongue
English
Weight
112 KB
Volume
248
Category
Article
ISSN
0016-0032

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โœฆ Synopsis

Measurement of the Spin of a Projectile in Flight.~-HowARD D. WARSHAW3

Projectile spin is measured by recording the voltage generated in a pick-up coil as the rotating field of a transversely magnetized projectile passes the coil.

A permanent magnet within a brass sleeve (for magnetic insulation) is inserted in a projectile of mild steel. Rotation of the projectile as it passes the pick-up coil generates a sinusoidal e.m.f, which is displayed on the screen of a cathode-ray tube and photographed for subsequent analysis. Figure 1 shows the laboratory setup and a block diagram of the as-3* QU~~" "~P~[SUM [D taN[ OF~.leF

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