Ignore the bumble bee that flew past as I was recording and imagine this a lot louder:) http://www.vimeo.com/21517471 (I tried to imbed this usi...
This is a how to for building a loud foghorn from easy to get plumbing fittings and an inexpensive double acting air pump, the idea was to emulate the hand operated type used on small ships until the 1950's shown in pic 2.
Step 1: What you need
Here are the basic parts to make a noise
A hand operated pump, a sink waste trap and a rubber glove (for the diaphragm)
Bio:Woodsman and field tutor on a week day. Life long inventor, designer, engineer for the rest of the time. From items that make life easier to items with no reason to be....other than the idea popped in...read more »