muddog15

try to make one that clips on to the top of the shoe. that way it has a pressure switch that needs to be released to sound.

flywheel/gear puller... those damn things lay everywhere!

I'm going to attempt to perform some upgrades to your model and share them here, lets see how it goes!

Actually, it's not even pallets.It's a pallet rack like used in a warehouse I attached this shelf onto. Used pallets would've been a great source of lumber, but it's too thin for my purposes, I need something that's not going to crack under heavy loads.

reminds me of a automotive glass rack, nicely done, and excellent find!

if you have a gyroscope on your quad copter you'll have some interesting stunts with your boat. a retrieval rope might be a good idea.