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This basic design is from Dr. Robert Tai of the Curry School of Education at the University of Virginia. I also need to recognize Tony Borash for getting me interested in this project.

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STEPS 1-6

STEP 1
Cut/purchase a 3/4 inch thick piece of plywood to a 4 foot by 4 foot square.

STEP 2
Draw an “X’ from corner to corner on the plywood.
STEP 3
Draw a circle that is nearly 48 inches in diameter. The because


The pressure the vacuum will need to deliver to levitate the hovercraft will be reduced if the area is increased.

STEP 3 Continued
To make the circle, start by hammering in a nail about 1/4 into the center of the “X” on the board. then get a string with a loop on each end. Place one end of the string around the nail. Put the marker in the other end of the string -through the loop.

    

STEP 4
Cut out the circle with a saber or scroll saw.
STEP 5
Sand the top and bottom edges of the disk round. It you have a router, use it to round the edges. Clean the saw dust off the dust.
STEP 6
Wrap duct tape around the edge of the disk. Make sure it overlaps the top and bottom of the disk. the tape will cover any remaining rough edges.



 
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