The "angle iron" comment finally triggered whatever I had been trying to
put together in my mind for the last few days. I knew there was an easy way
to do this:
Use a board as a lever and a piece of angle iron as a pivot point, like a
see-saw. Put one end of the board under the wheel and stand on the other
end, and move the angle iron in our out until your weight and the car's on
either side causes it to just balance. Then multiply the ratio of the two
lengths of the board (either side of the pivot) by your weight, to find the
weight of what you just lifted.
0 _
/|\ <-You Wheel-> | |______
/ \ |_|
-----------------------------
Angle iron-> ^
So if the part on your side of the pivot is 4 times the length of the part
on the wheel side, you have lifted four times your weight.
I guess somehow you need to find the centre of your foot - the devil is in
the details.
Regards,
Jim Wallace
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