United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 554
c end of tin; Hpritjg is: U^t tun I 2 tan , i* . » Whoro d is the dollcction of Lho spring, a=tho moment arm, < = tlio dislanco from tho mirror to the film, w = tiio (Iclloction on tho film, (/ = tho dolloction on the spring. Tiie ratio of proportionality at any point is then dud , ^ ^^_^____… … r/^. /4«. M£T/iOO or MOUA/T/A/G ACCCLCROrfCr^/^. It is quite essential on an accelerometer record to have an accurate time scale, as in manycases the duration of an acceleration is quite as important as its magnitude. There are twomethods of accomplishing this—first, and most satisfactory, is to…
Aeronautics
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