I just did a "low bucks" project on my boat. I mostly used what I had on hand but did spend a dollar at Walmart. I went down to check on my boat and found that a Great Blue Heron has been hanging out on my transom. The evidence of his repeated visits was all over one side of my cockpit. It is common to see people hang things like plastic owls, CDs, monofilament line, etc around their boats but I wanted to build a better mousetrap.
I chose CDs as my bird deterrent. I used cheap CD-Rs that I had. I wanted them to really spin well to annoy the birds. I made a trip to Walmart and picked up a packet of barrel swivels from the fishing section. I then ran a light nylon cord from the back stays to the end of my mizzen boom. I ran a large nylon cable tie through the spindle hole and barrel swivel and left it loose around the CD. I then used a small nylon cable tie to attach to the nylon cord. In even the lightest breath of air, the CDs wiggle back and forth. In even a light breeze, the CDs spin wildly because of the swivel.
We'll see how this works.
"When in command, command." -- Admiral Nimitz
Difference between a power boater and a sailor out on the water: A power boater is going some place special, a sailor is already there.
s/v Zotz 1981 Pearson 365 Ketch Hull #375