“Within 10 minutes, all of the birds were once again gone! Within two hours, I had a neighbor call asking me if I was shooting at birds or something!” YouTube · Figaholics · 6 years ago
are effective, they can be pricey, leading many to build their own using common hardware store components [18]. Review of DIY Propane Cannons propane-bird-cannon-diy
Always maintain a safe distance (at least 3 meters) from the device when pulling the manual trigger [4]. “Within 10 minutes, all of the birds were once again gone
Users report that these cannons are extremely effective at clearing birds within minutes [11, 18]. A properly built unit can produce sounds up to 130 decibels, covering 5 to 10 acres [16, 17]. “Within 10 minutes