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Measuring a shot put throw at the Olympics.
dmyhill replied 1 month, 3 weeks ago 13 Members · 25 Replies
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I’m going to have to incorporate the use of a 6″ carpenter’s level in my field operations. It must be way more accurate than the vile level or dual-axis compensator on my MS60.
He didn’t make that up, it was taken from a Leica manual…
3.4 Level top of tripod with small hand-held spirit level
My only thought is that the instructions are an attempt to be fool proof for a complete novice.
https://laq.org.au/wp-content/uploads/2020/09/EDM-setup-instructions.pdf
-All thoughts my own, except my typos and when I am wrong.- This reply was modified 1 month, 4 weeks ago by dmyhill.
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https://youtu.be/bhdxCAKMUV0?si=5DvbZyiEt4Xbr17J
- This reply was modified 1 month, 3 weeks ago by timd1971.
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Fascinating Surveyors. I missed seeing any type of measuring tool on the Shot put event (the only one that aired here between my field trips). I would think the biggest error is measuring to the center of the divot made by the shot. You wouldn’t want me on the rod thats for sure. Great stuff. I love this forum.
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As soon as I saw the photo of the instrument and legs I realized this was an application of the law of cosines Side-Angle-Side solution. At the start of competition the instrument man would zero on the launch edge of the putter’s circle and shoot the distance to the rodman’s prism. When the shot landed the rodman would center the rod in the landing spot and the I-man would shoot angle and distance. The instrument would have the computation pre-programmed and display the SAS solution for him to report to the judges.
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