Date: 07 Oct 97 14:10:18 From: firstname.lastname@example.org Organization: EarthLink Network, Inc. References: 1
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On 06 Oct 97 02:14:26 , email@example.com (David Lesher) wrote: >I watched the PBS series on the 777. Of special interest was the >full-load rejected takeoff test. I missed the figures for the >weight [and ISTM they were for load, vice emptyweight+load] >but they said it was 9.7 million ft-lbs of hot brakes. > >Err... I was always an SI type, but is that a viable unit for the >test? I was looking for energy, not torque. After all it's a >straight kinetic energy->heat conversion; anyone know the m and >v^2? If energy is 1/2*m*V^2 and m=f/g (force/accel, gravity) the units you end up with is ft-lbs ( or ft-lbf).