[Shop-talk] math wizards ??? come here

[Paul Parkanzky]

The slope of the red line in your drawing is 1" per foot.  So in 8' it will
raise 8".  If you were to raise it 2" in a foot it would be up 16" after 8',
etc.

-Paul

On Thu, Apr 9, 2009 at 8:20 AM, john niolon <jniolon at bham.rr.com> wrote:

> I've got a math problem (actually trig) that I need help with.  Picture an
> engine hoist with the boom horizontal.  the pivot point at one end... the
> jacking point 1' in from that and the hook at the other end eight feet
> away.
>
> I need to calculate the amount of lift at the hook end if you raise the
> jack
> point 1".  I know how to figure it from the pivot point using that jack
> point
> 1" away is hanging me up.  If I know the lift with one inch of rise at the
> jack point the multiplication tables will do the rest, right ????
>
> here's a picture of what I'm doing
>
> http://www.clubfte.com/users/jniolon/misc/boomraise.jpg
>
> thanks
> John
>
>
> I think I've figured it out.....
> my sole purpose in life is to serve as
> a bad example  :(
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