well, it's certainly been an interesting discussion and brought back days of
surveying calculations with a 4 function calculator and a pocket trig
table.... but here's the correct answer...
I finally got the time to dig out my hoist and do some measurements (actual
not theoretical))
one inch of lift at the jack point from horizontal produced 3.5 inches of
lift at the hook end
then next inch of lift produced 3.75" of hook lift. and it varied between
those two numbers up to about 10 inches at the jack point.
I wasn't looking for really precision answers and since angles and such do
change over the range of motion that calculation would be complicated for
sure... basically I was looking for an approximation and I got it after
nearly emptying my shed out into the yard to locate my hoist... but another
benefit of this exercise (for me anyway) was that I found a hydraulic pump I
had been looking for and found a nice field mice nest that has been
eliminated.
don't know why the actual didn't jive more with the theoreticals ??? maybe
we didn't consider moon phases...
thanks for all the effort and lively discussion..
now the next question... how does stuff get to the back of a huge pile that
just last year was at the front of that same pile, and in the way, when
searching for something else... now I KNOW that's got moon phases all over
it !
later
John
"One of the things we have to be thankful for is that we don't get as much
government as we pay for." (Charles Kettering)
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