I've been seeing Flying Crank Ghosts all over the web since I got into home haunting.  This is a very
slow moving, non-scare prop that really lends atmosphere to your haunted display.  Doug Ferguson at Phantasmechanics invented the FCG (Flying Crank Ghost) and there have been variations on the armature since then but fundamentally it remains the same.  Not wanting to reinvent the wheel I am building one based on this design but will be using a different motor obtained from Wil at Deathlord.net.
 

Hardware:

1

6 ½ Rpm, 2 Amp, 74in/lb Type-E motor

1

6' Replacement Power Cord

1

¼" Wire Rope Clip (U-Bolt)

2

4’ x 1" x 1/8" Aluminum Angle

1

1’ x 1" x 1/8" Aluminum Flat

28

¼-20 Hex Nuts

10

¼" SAE Washers

4

10/32 x ½" Machine Screws

1

 ¼" x 3" Stove screws

5

¼" x 2" Stove screws

2

¼" x 1-1/4" Fender Washers

14

¼" Split Lock-Washers

2

¼" x 2" Eye Bolt

4

¼" x 2 ½" Eye Bolt

1

½" x 4" Eye Bolt

3

3/4" Swivel Pulley

2

8" Cable Ties

2

NTA-411 Torrington Thrust Bearings

2

¼" Female Quick Slide

Cutting List:

4 Foot Length of Aluminum Cut into:

1

20"

 Right Motor Mount
2 13 ½" Right and Left Arm

4 Foot Length of Aluminum Cut into:

1

20"

 Left Motor Mount

1

16"

 Front Bar

1

11 3/4"

 Rear Bar

4 Foot Length of Aluminum Flat into:
1 - 12" piece for crank arm.  Crank arm must be bent 90 degrees approximately 2" from the motor end of the crank arm.


Recipe

To be honest I'm not going to comment on the drilling of holes as it will all be made obvious as you go along and they will depend on what motor you are using.  Assembly plans are posted all over the internet
so I'll save you the reading and post some photos.  They should give you the general idea.
 


Bottom View of Assembly
Top View of Assembly


Side View of Motor

Front View of Motor


Rear Bar

Bottom View of Motor and Crank

Crank Arm Pivot (soon to be replaced)
Front Bar Assembly


The crank arm pivot will soon be modified to include these NTA-411 Torrington Thrust Bearings which I ordered off EBay from the U.K.  There will be one on either side of the fender washer to make it rotate very smoothly.

Here you can see the bearing just before the washer is placed on it.
Here is the PVC Flying Crank Ghost stand which I built using the idea gained form the website mentioned below. 

Here is the motor platform mounted on the frame.  Tie-wraps are the best invention ever!
With the black plastic wrapped on the inside of the frame so it is not visible from the outside of the house at all.


The ghost with ALL the house lights on inside!!!  Window is blacked out.
 

After spraying with blacklight hairspray and running at night.  Nice glow!

CLICK FOR VIDEO CLIP (6 MB)
 

Supplies:
 Deathlord.net - 6 RPM Gear Motor.
Ebay - Bearings
Home Depot - Everything Else
 

Inspiration:

Doug Ferguson - Phantasmachanics
Brent Ross - Devious Concoctions - The D.C. Cemetery
Joe Stone - WickedStone.com
Yard Haunters - Flying Crank Ghost for Sale
Kick the Fog - Flying Crank Ghost
Deathlord.net - Ultralight Flying Ghost
Blencowe Haunt - PVC Flying Crank Ghost Frame