Mark's homemade deer deterrent is based on a cheap
drill you can get at Wal-Mart for $10.48. He used a transformer
to switch the drill from battery power to AC electricity, then wired in
a potentiometer to allow him to speed up and slow down the drill.
The drill bit has been modified to attach to a wire, chain, and golf
ball. The golf ball swings around, hitting a piece of tin and
making a metallic noise. The combination of man-made noise and
motion has been 100% effective in keeping deer out of our garden this
summer, and has even kept them away from our perimeter.
Check out our step by step instructions to make your own deer
deterrent for $30 (or much less if you scavenge supplies.) In
case you're curious, I did the math on operating costs too --- each
deterrent costs a little over $3 to run per year. Definitely
within my skinflint price range.
This post is part of our Homemade Deer Deterrent lunchtime series.
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