Subject:
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Re: Help with balancing cantelevered WIP project.
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Newsgroups:
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lugnet.build, lugnet.technic
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Date:
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Sat, 27 Jan 2007 21:24:12 GMT
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Reply-To:
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Geoffrey Hyde <GDOTHYDE@BIGPONDDOTNETDOnospamTAU>
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Viewed:
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7977 times
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"Aaron Sneary" <aaronsneary@NOSPAMyahoo.com> wrote in message
news:JCJGqJ.2EJ@lugnet.com...
> I would love some suggestions on keeping this WIP project from tipping
> over:
>
> <<http://farm1.static.flickr.com/137/370891893_f07221203a_m.jpg>>
> <http://www.flickr.com/photos/aaronsneary/370891893/>
>
> The tower stays together, with a technic beam running up the back side.
> But the
> whole baseplate flexs and tips over with the weight of the overhanging
> arm. And
> there is more to add to the arm, so it will only get heavier.
There are two main things and several minor things you need to keep in mind
here.
1. The arm piece extending out of the tower can only extend so far before
it needs extra support. You're essentially making a weight scale.
2. Battery boxes will provide good weight - as long as you have batteries
to put in them. You can also bundle batteries together inside of a "box" of
LEGO bricks, however, if the weight of the arm is sufficient to
counterbalance the overall weight at the structure's fulcrum point, it will
of course cause the baseplate to flex and tip over.
3. You could try screwing the baseplate(s) down onto something solid to
make it more rigid, however, that tends to detract from the baseplate's
purpose because you then have to brick around the screws that are holding it
down, to hide them, plus you will also need something you can screw down
onto without alarming friends and family members. You could also dispense
with the baseplate altogether and use a beam structure to hook or clamp it
down onto a table edge. Dramatic problem is that your MOC suddenly will
need a table edge to itself if being put in a large display.
4. Building another structure to the other side of the existing arm or
reinforcing the supports would be a much more preferable idea, if you can
find a way to make it work.
> Someone suggested battery boxes. Anyone know the weight in oz. of battery
> boxes
> or boat weights?
As before it depends on what the weight of the batteries in it will be. And
whether they're going to counterbalance the weight exerted at the
structure's fulcrum point or not.
Cheers ...
Geoffrey Hyde
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Message is in Reply To:
 | | Help with balancing cantelevered WIP project.
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| I would love some suggestions on keeping this WIP project from tipping over: (2 URLs) The tower stays together, with a technic beam running up the back side. But the whole baseplate flexs and tips over with the weight of the overhanging arm. And (...) (18 years ago, 27-Jan-07, to lugnet.build, lugnet.technic, FTX)
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