Monopole writes “This is a telescope constructed from the combination of a Russian “Tourist-FL” eyepiece which accepts M42 (a.k.a. Pentax/Universal) manual screw mount lenses a 2x teleconverter and a Russian Lytkarino 3M-5CA 8/500(f/8 500mm)Maksutov Catadioptric Lens.. I constructed it for less than $100 using surplus and parts obtained over eBay. The resulting telescope has an […]
Rick writes “Here’s part #2 of the CNC Router Project, covering the Gantry assembly and mountng the rail system.” – Link. Previous: Part 1 – CNC router project – Link.
Howtern writes “Looking for a good waterfight? Water hose too short? Soak those pesky neighbors or water the plants on the far side of the yard with this 3-part water-weenie!” – Link.
Simple Simon writes “Simple but possibly useful to someone – I needed to switch on some devices whenever my PC was on so I use the 5VDC fed from the USB ports to turn on a relay.” – Link.
Another homemade pedal powered powered vehicle, this on from MAKE Flickr photo pool member Fritzgutten, a 4 wheel tandem pedal vehicle – Link.
(Your name here) writes – “This is something that they don’t show you how to do when you buy the sets. Using less than 15 pieces (and a rubber band), this can shoot its ammo a good 4 feet, depending on how strong the rubber band is. It can also be modified to shoot farhter, […]
Here’s how to make a spider-like robot / ornament. It uses a pager motor to vibrate spider across table – Link.
