>FWIW. The number is 32.2 fps^2 (9.8 m/s^2) at the earth's surface. > >http://www.tcaep.co.uk/science/constant/detail/gravityaccelerationdueto.htm > >Gravitationally, > >Phil F It's worth at least 0.2 fps^2. Thanks Phil - if I can just remember it for the next 15 years until it comes up again. Ron N
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