pic: 1429 New Crate

[Pjohn1959]

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[jason701802]

Are you sure you got the weight right, if so how thick is the aluminum. The density of aluminum is about 0.1 lb/cu.in. It’s not clear how tall it is but I’ll assume 5’ (60”) for the box and 4’ (48”) on each side. That’s 4 x 48 x 60 = 11,520 sq.in. for the sides plus 2 x 48 x 48 = 4608 sq.in. for the top and bottom. Divide 90 lb by 0.1 lb/cu.in. and again by (11,520 + 4608) sq.in. and you get an average thickness of a little less than 1/16”. That’s without skids, connections or internal bracing. That is NOT going to made for a very robust crate.

[EricLeifermann]

its aircraft aluminum, so I'm going to say that it is honeycomb aluminum which is very light and very strong... that gives you only weighing 90 lbs.

[neoshaakti]

Originally Posted by Pjohn1959

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wow, blows the pants off our wooden crate...
looks very nice hahah

[Smoores]

If its honeycomb aluminum, I can see how that would be strong enough. It its just aircraft aluminum, that will not hold up.

[lynca]

Originally Posted by Smoores

If its honeycomb aluminum, I can see how that would be strong enough. It its just aircraft aluminum, that will not hold up.

Honeycomb Aluminum is pretty expensive could just be McMaster prices.
http://www.mcmaster.com/#8458k12/=nw8ee

Aircraft Aluminum is cheaper at the minimum thickness but definitely not as strong.
http://www.mcmaster.com/#1924t64/=nw9ad

What thickness are you guys using and do you have a local supplier ?

[Pjohn1959]

It is 1/8" plate aluminum 6061 T6. Maybe I am wrong on the weight. When I picked up one side, it didn't feel all that heavy. Since we don't have a scale, I was guessing.