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Discussion Starter · #1 · (Edited)
Ok, here it is...my Technological Terror Challenge Entry.
The Living Breathing Tombstone
I've always wanted to try this on a big wall but never got a chance so here is my proof of concept on a smaller scale. I've seen this done with actors before and thought it would be cool to try out animated.

Parts List

Required Items:
12 Volt DC Wall Adapter x1
12 Volt 4 RPM Gear Motor x1
Paper Mache Skull Mask x1

Hardware Items:
2" x 2" Lumber x1.5 $2.13
1" x 2" Lumber x1 $1.29
2" x 4" Lumber 22" x1 $0.57
1/2" PVC Coupler x1 $0.39
Pipe Clamp x1 $0.29
1" L Brackets x2 $0.50
1" Drywall Screws x24 $0.96
2" Drywall Screws x12 $0.60
1/4" x 1" Neodymium Magnet x1 $1.29
1.5" Fender Washers x2 $0.76
1/4" Lock Washers x6 $0.24
1/4" x 20 x 3/4" Screws x4 $0.32
1/2" x 1/8" x 14" Aluminum Bar x1 $0.75
2" #10 Screw Eyes x8 $2.72
#10 x 32 x 3/4" Screws x6 $0.72
#10 x 32 Nuts x12 $0.96
1/2" PVC Pipe 6 Ft. x1 $0.94
Green Fishing Line 16 Ft. x1 $0.11
Flat Black spray paint x1 $0.96
Flat White spray paint x1 $0.96
1 Yard Grey Spandex sheet x1 $4.89
Old Oil Lamps from garage sale x2 $2.00
Iron On T-Shirt Ink Jet Sheet 8.5" x 11" x1 $0.86
Particle Board Scrap Piece !7" x 8" x1 $0.00
14" Wood disk Scrap from wire spool x2 $0.00

Electrical Items:
8" Wire ties x29 $0.84
Perf Board x1 $1.29
Solder x1 $0.20
Hookup Wire 40 Inches x1 $0.65
Reed Relay 5 volt x4 $3.94
3 Position Screw Terminal x1 $0.60
470 Ohm ¼ Watt Resistors x6 $0.24
12 Volt DC Wall Adapter x1 $3.99
12 Volt Spring return solenoid x2 $3.98
12 Volt 4 RPM Gear Motor x2 $5.98
LED Clip Lights x4 $3.56
Red Flashing LED x4 $0.56
LED Tea Lamps x2 $2.49
9 Volt Battery x1 $1.79
9 Volt Battery Clip x1 $0.39
Heat Shrink Tubing 3/16" x 10 inches x1 $0.24
Salvaged PC Power Supply Connector x1 $0.00

Prop Items:
Blow Mold skull x2 $4.98
Halloween Scream Box x2 $4.98
24" Plastic Skeletons x2 $7.98

Total Cost: $73.89


 

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Cool! Another innovative use of the FCG mechanism with those small skellies. Very nice, Homey! How did you sync the flickering lights?
 

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A fine example of the versatility of a basic mechanism. The face in the close up is eerie.
 

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Discussion Starter · #4 ·
Cool! Another innovative use of the FCG mechanism with those small skellies. Very nice, Homey! How did you sync the flickering lights?
Thanks Otaku,

I was trying to use up some parts in my old junkbox and found a few reed relays. I mounted the magnet to the main drive motor linkage so that it passes 2 reed relays and activates the flashing leds, solenoids ans scream boxes in sequence. The first pair of relays are used as reed switches only and they in turn fire the others. So basically I'm using the mechanism itself as a timer/comtroller. The flashing leds I used eould flash together for a short period before they drifted out of sync, just enough time to turn off in between cycles.
 

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Discussion Starter · #5 ·
A fine example of the versatility of a basic mechanism. The face in the close up is eerie.
Thanks RoxyBlue,

It's hard to get the effect on video (especially when I'm rushing) but I worked a bit on the face design and wanted to shoot it separately.
 

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I really like the crank skellys nice job the whole thing comes out in a nice show
 

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Nicely done! Very clever use of the reed relays and the magnets as a mechanical controller Have to remember that one. I can see some uses for that technique. this will make a great addition to your graveyard. I would put close to where people pass to get some startle scares. I agree the face is creepy close up.
 

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I would really love to see this in person. It looks great in the video, but I know the video does not do it justice. What a great concept.
 

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Discussion Starter · #11 ·
Thanks everyone. I know it's hard to see but the face pushes out a bit over 3½ inches. Next year I'm ready to do a wall section with 4 or 5 pushout faces.
 

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Discussion Starter · #13 ·
Well, I gave it a shot. I was just playing with an old idea and wanted to get the prototype built. Something to keep my mind off the burglaries we're having around here lately. I got hit and lost a lot of tools and equipment two weeks ago. One of over 24 houses hit.
 

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I think it would be cool to stretch a sheet of rubber (maybe dragon skin died gray) over the hole so that the face pushes out of the tombstone, then disappears. You would need proper lighting to catch the facial features. Of course, all you would see is the face topography, not the cool paint job or eyes this guy has.
 

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Discussion Starter · #15 ·
That was the first thing I tried. I've seen this done with actors standing behind a sheet and pushing their faces against the material. My idea was to make the face push out and become 3 dimensional. I played with it both ways and unless you are standing in front of it you really can't capture or appreciate the full effect. I just need to get a 3D video cam.
 
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