Wind lift on a small platform

Question

Wind lift on a small platform

Ngiri (Mechanical)

(OP)

8 Mar 02 08:34

I need to calculate the wind speed required to lift a small flat unsecured scaffold platform 2'x 8' with a self weight of 30lb and supporting a load of 150lb positioned 1' in from one end. The scaffold is an open tube structure. I have approached this with wind loading for buildings calcs but I am uncertain that these are applicable to such a small surface. Any advice wecome!

insideman (Mechanical) · Answer 1 · 2002-03-08 16:11:14

Some very rough calcs shows that lift should be about .002 V^2 sin A. A is angle of attack, V is speed in feet per second.

With total weight of 180 #, you can figure out the rest.

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Wind lift on a small platform