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Ghost Maker
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Sounds fun Doc. Looks to me like is has a pneumatic jack, or maybe electromagnet, that shots out of the bottom of the box, probably over near one corner, then pulss back in real fast, leaving the box to fall back down. The way the box bounces around I'd say it was fairly light.
 

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oh-oh, why not put a midget in the box? :googly:
He can shake it around, and make all kindsa noises.:p
 

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Im up for this Build as long as its going to be a TEAM build. I would like to add this to my Yard Haunt this Halloween it would fit perfectly. Later all :jol:
 

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Actually, I'm planning for something similar with my toe-pincher banger. My plans are to use a wiper motor driving an axle with an irregular cam that pushes a rod through the bottom, and another irregular cam to bang the lid against the chains that will wrap around the box. Still mulling over the exact mechanism.
 

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Discussion Starter · #8 ·
ruafraid said:
Doc is this gonna be a group build ? LOL Yes I agree we can build this much cheaper.
I was more thinking of a brain storm kind of thing. Maybe a member wants to draw up plans and post them. Generally a discussion, and if anyone wants to actually build it, they could post a vid of it.
BobC said:
Im up for this Build as long as its going to be a TEAM build. I would like to add this to my Yard Haunt this Halloween it would fit perfectly. Later all :jol:
I'm not sure how we could TEAM build it, as we all live so far away from each other. OR another idea would be more contest like....But instead of judges for best prop, it would be the first to ACCURATELY reproduce it and post a vid of it running would be the winner, but since we already have a contest forum it may not be appropriate to have a seperate one here. So, that brings us back to the original idea of a general discussion and a chance to show off your replication powers!
Torgen said:
Actually, I'm planning for something similar with my toe-pincher banger. My plans are to use a wiper motor driving an axle with an irregular cam that pushes a rod through the bottom, and another irregular cam to bang the lid against the chains that will wrap around the box. Still mulling over the exact mechanism.
That's the spirit, Torgen...Apply ideas from other props to this one.
RAXL said:
oh-oh, why not put a midget in the box? :googly:
He can shake it around, and make all kindsa noises.:p
LOL!
 

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Discussion Starter · #9 ·
heresjohnny said:
Sounds fun Doc. Looks to me like is has a pneumatic jack, or maybe electromagnet, that shots out of the bottom of the box, probably over near one corner, then pulss back in real fast, leaving the box to fall back down. The way the box bounces around I'd say it was fairly light.
Yea, HJ it is pneumatic. Any suggestions for alternate mechs? How would you do the fog and timing and sound? Prop-1? Any suggestions for Prop-1 alternatives? Is there a cheap and simple way to acheive this? Maybe there aint, so how would you DESIGN it? I want to really challenge you guys to come up with ideas.
 

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I wonder if an alternative version of this box could be built by using an electro magnet in a bottom platform and a ferris metal for the bottom of the crate. No moving parts for the shaking...

Also looks as if in the original the fog was continuous and only poofed out when the air entered from the bottom of the box to push it out the window at the front.
 

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no, I mean the video didnt work.....im using mozilla XP

I think this could work if the motor was faster than a wiper motor but still had the strength....


what it is:

black box-the box.

red box-motor
orange thing, 2 peices of wood for the box to rock on. or aluminum..

then theres an aluminum rodish thing connected to the motor axel which is connected to another rodish thing at a point where they can pivot....then the other end of that is connected to an end of the box.

hey man im doin my best to explain it lol

though this will probably never work, i do my best.:p
 

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Here's my rambling thoughts.....
It also looks like the crate isn't attached to the bottom piece...It can move somewhat freely in the forward/backward/left/right directions and can even twist. I'm not sure if the chains limit the movement so that it stays on the bottom piece (and keep it from flipping over) or if there is someother mechanism to limit it's lateral movement. I'd also assume that the power cables for everything come in to the box in the middle of the bottom plate and that the bottom of the box is more or less open (so that the crate can move about and not show/pinch the cables). A thought to immitate being able to have the box move latterally would be to attach a bolt to the bottom plate and then use a really slow motor (one RPM or less) to move it along the X/Z axis (turn it one and off)...though you'd need something to it from just spinning. As for the jumping, Torgen's idea would work, but it'd be very regular and likely wouldn't "jump". Perhaps if you put 2 of them in backwards from each (towards the middle, one for rocking forward, one for rocking at slightly different speeds), that would mix it up and would give you the rocking back and forth (It would even cause the crate to jump/tetter when both of them hit at the same time). Hmmm.....Lots to think about.
 
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