Subject:
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Re: Crane
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Newsgroups:
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lugnet.technic
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Date:
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Thu, 27 Nov 2003 19:25:15 GMT
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Viewed:
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1954 times
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In lugnet.technic, Luis Hernández wrote:
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In lugnet.technic, Erik Bush wrote:
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Thanks! Here is a boom idea that I have been thinking about for a while...
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Mmmm... i’m not exactly the expert in cranes (in fact, I’ve never built one),
but I think you can use 2x4 plates instead of the 1x4 plates (this way you
can get a solid boom instead of a parallelogram).. like this:
Luis 
(comments, instructions, death threats, etc. please remove all the X’s)
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I have tried it and that is a good idea, but it adds some extra weight>
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Message has 1 Reply:
 | | Re: Crane
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| (...) Yes it does, but without the 2x4s, your boom will be able to shear - ie the parallelogram created by the beams & 1x4 plates only has friction holding it square, and a long boom built that way may fail. If the 1x4s are on the top/bottom it (...) (21 years ago, 27-Nov-03, to lugnet.technic, FTX)
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Message is in Reply To:
| | Re: Crane
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| (...) Mmmm... i'm not exactly the expert in cranes (in fact, I've never built one), but I think you can use 2x4 plates instead of the 1x4 plates (this way you can get a solid boom instead of a parallelogram).. like this: (URL) (...) Luis (URL) (...) (21 years ago, 27-Nov-03, to lugnet.technic, FTX)
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