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Published on 01 Mar 2013 | over 4 years ago

I used a CD fan blade on one of my rubber band powered cars so I thought I might make a video on how to make the fan blade.
CD fan blades are NOT SUITABLE for high speed applications - See my notes below.

Tools
-
Hobby Knife
Tea Light candle
Pen
Ruler
Compass
Thick wire or an old screwdriver that you can heat to make holes through disc

Notes:
* Some CDs are more prone to stress fractures than others.
* Using a hot wire to make holes is less likely to cause stress fractures than drilling holes.
* If any cracks are visible it is safer to throw that disk away.
* CD fan blades are NOT SUITABLE for high speed applications

The car that I used this on is in the following playlist
www.youtube.com/playlist

Making Propellers playlist www.youtube.com/playlist
Helpfiles playlist www.youtube.com/playlist

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