Poland recently unveiled the HAASTA prototype for drone-on-drone warfare at Poland’s 2023 MSPO Defense Trade Show. HAASTA is a multi-role, hybrid-drive drone that is designed to...
Scraps of Celotex insulation board glued to offcuts of particle board create useful size, portable building boards. Avoids cluttering up the bench, so that work may...
This holds Ni-Cads very securely while you solder them together. Lay masking tape or duct tape on your workbench with the sticky side facing upward, and...
Ukraine is using large cargo drones to carry injured soldiers from the battlefield in what is likely a battlefield first. The drones can carry 397-pound weights...
For any with an interest in aircraft engines, this video provides timeless insights into primary causes of engine failures. It summarizes reasons for engine failure, how...
This is from a father-and-son team who are careful not to waste expensive glow fuel. A translucent plastic (polyethylene) container that has a brass tube and...
This handy model stand, which can be pushed into the ground, will relieve backache. Use 3/16-inch carbon steel rod or tube—welded or brazed—then wrap the top...
The Air Force is moving forward with the JetZero Blended Wing Body (BWB) demonstrator project. Unlike previous BWB concepts, the JetZero design features a pivoting nose...
Pyka, a manufacturer of large-scale highly-automated electric aircraft for crop protection and cargo transport in Oakland, California, announced that it has received approval from the U.S....
A simple wat to prevent fuel, clunk, or retract lines from slipping off the end of brass tubes is to flare the ends of the tubes—achieved...
Great for scale sailplanes—releasable water ballast. Dump valve cut from brass or tin plate, with tube bushing soldered on. Spring wire nips surgical rubber tube to...
Franky Zapata, widely known for his high-speed Flyboard flight demonstrations, has announced a new turbine hybrid eVTOL that can fly for up to two hours. The...