hammerheadcranes.com

Here’s the bare bones crane model. No windlass to lift the load or “boom up” the boom. no swivel base to “slew” the crane and no extended platform for the counter weight.

However the 9 short videos that come with this crane show a few examples of exercises.

e.g.- finding the maximum load with a given boom angle, counter-weight and factor of safety.

Here’s another idea—

given-

– the boom is @30 deg (cos 30 =.866)

-safety factor is 1.5

-load is 1 Brick (4.7#) and boom weighs 1#

Find- how much ct.wt is needed?