If the gradient is
one inch of rise every 23.3 inches, what is the angle?
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by Unknown
created Sep 2016
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Comments (24)
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Points.....bloody computer.....
Maybe the conversion from tenths of an inch to inches confuses. Think a side is one and on the other side of the 90 degree angle the leg is 233.
why 0.1/23.3 or 1/233?
You said "1 inch of rise every 23.3 inches" that implies that the sides of the triangle in question are 1inch (vertical) and 23.3 inches (horizontal).
PS: The hypotenuses of a right angle triangle has to be larger (in magnitude) than either of its sides.
One must love the Internet. Where was it when I was 10?
The real world application is/was in machining (drilling) a firing pin channel while making a clone slide for a small pocket pistol, a .22 rimfire. The firing pin channel was inclined. Thhe firing pin channel is 2.3 inches long. If drilled at Zero degrees, the resulting pin location would be appropriate for a centerfire pistol, but not in the least appropriate for a rimfire pistol. One must move the firing pin location up a tenth of an inch. So then the calculation of the angle (using an inclinometer on the drill press) was essential.
Well, if the slope is indeed: "1 inch of rise every 23.3 inches" then I was and am correct not almost correct.
Now, if you got the slope wrong, then that ain't me fault. (:
Privately of course I much prefer drillings at zero angle. But if I changed the placement of the channel, then other things would also have to change and then it wouldn't be a clone. :)
It's not a matter of opinion ... there is right and anything else is wrong.. and no one can deny it! I bloody loveeeee this clean-cut nature of philosophy - math in this case. It either adds up or it don't. period. No going round the bush.
(throws himself on the floor and thanks allah for science) (has a mini org in the process as well)
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Shame on you Ken....
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