There are a ton of articles and videos on converting toy styrofoam gliders to a functional, powered RC airplane. Most of the DIY sites I've flipped through detail things like hot gluing servos directly to the foam body, or wrapping components in copious lengths of packing tape.
I've been wanting to combine a few favorite hobbies, woodworking and physics, and dive head first into a project I know nothing about - sailboats. I have been thinking about dusting off the old RC gear and configuring it for small-scale sailing for a long time, so I thought I'd build a boat over the winter. There's something unbelievably rewarding about building something like this from scratch, even more so if you tackle something that you know has a significant probability of failure . This is definitely a boat that is much better built than bought... IF IT WORKS.
The only drag with this hobby is the sound the tumbler makes for months on end. Its not really a problem for me, as the tumbler is in the shed... but I feel bad for the neighbors. There are tons of articles on sound dampening techniques and Ive tried several, including a plywood box covered with carpet samples. I like the idea of using styrofoam insulation because it easy to work with, has minimal resonance across all audio frequencies, and its non-flamible.
Super Rock Tumbler
After running a tumbler for over a year, practically non-stop, I got to see where the wear points and heating issues were coming from. I sat down with some paper and drew up what my dream tumbler would be. Some of the specifications and major improvements over my Harbor Freight 6lbs model would be:
All bearings to be replace nylon bushings
Adjustable roller spans
Make your own stimpmeter
I had been playng golf for about twenty years but just began regular putting practice when I joined my first men's club last year. Between the two public courses that I sneak out to for putting practice, one feels like a shag carpet and the other feels like glass. I've been seeing signs reading "Current Stimp xx.x feet" for years and decided to build my own Stimpmeter.
Rocket Cars - Nerdfest IV
Seems simple enough. Everyone gets to use an Estes "D" engine to propel a vehicle with a payload consisting of a roll of quarters. What made this one complicated was the over thinking everyone did. Ryan, winner of the Best Looking car, actually stooped to planting a faux email that "leaked" photos of his car in its construction phase.