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In lugnet.trains, Tim David wrote:
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Is there anything to lock the boom hinge in its extended position, or is is
held in place by gravity? The only improvment I can think to make would be a
a cable from the halfway point of the boom to the cabin for raising and
lowering it.
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The boom hinge is held in place by gravity. The boom itself is on friction
pins, so in reality it’s held in place by the Hand of God (i.e., if I keep my
finger under the boom, it doesn’t generally drop anything). I had wanted to put
in a worm gear solution to hold the boom in place, but I couldn’t figure out how
to make one small enough. I’m hoping to get some ideas from the more technic
minded people of NELUG this weekend. If anything good comes up, I’ll probably
do a rebuild.
I had also thought about the boom cable idea, but, again, I didn’t really have
the space. I may have to look at putting the entire thing on a longer base.
Thanks for the feedback!
-Elroy
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Message is in Reply To:
 | | Re: Crane Car
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| (...) I really like this. i feel that for freelance models of engineering items you really have to think about how it would work, get i this mechanicals right and it will look right. The way it moves along the car is nifty,it reminds me of something (...) (19 years ago, 29-Mar-06, to lugnet.trains, lugnet.adventurers, FTX)
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