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walkereng, Consultant
Category: Structural Engineering
Satisfied Customers: 2513
Experience:  Over 30 years of Structural Engineering experience.
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Need to size a beam span, figuring load of 1500 lbs, load

Customer Question

need to size a beam for 12ft span, figuring load of 1500 lbs, load point at center, height of beam needs to be 6 inches - need to lift front of 5000 lb boat where lifting point is 5ft from bow, fulcrum is at center of stern, need to raise bow about 12 inches to remove boat from trailer then boat will be dropped on supports
want ot fabricate with laminated 12 foot 2 x 6 douglas fir lumber or if not possible can an aluminum I beam do the job and what size would be needed
Submitted: 1 year ago.
Category: Structural Engineering
Expert:  StructuralEng replied 1 year ago.

Hello. I can help

Expert:  StructuralEng replied 1 year ago.

It's almost 11 pm here, can I get back to you in the morning?

Customer: replied 1 year ago.
Sure - anytime - my credit card fraud alert stopped my original payment - if u feel a call is better let me know and I will ok the additional charge
Expert:  StructuralEng replied 1 year ago.

A 2x6 beam will not work for that load and span. You will need aluminum or steel. Which do you prefer? Is the load vertical only? No horizontal component?

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