Duralumin was developed in 1909 by Alfred Wilm in Germany. Contains 91-95% aluminum, 3.8-4.9% copper, and other alloying elements. Name combines Dürener and aluminum, now used for all Al-Cu alloys
Contains 5.6-6.1% zinc, 2.1-2.5% magnesium, 1.2-1.6% copper. Developed by Sumitomo Metal in 1935, reverse engineered by Alcoa in 1943. Standardized for aerospace use in 1945
Web-based application for managing ESCs and flashing firmware. Created as rewrite of Bluejay configurator for BLHeli_S ESCs. Uses netlify for automated deployment
Connect ESC power, ground, and signal wires to autopilot's main output pins by motor number. Motor order depends on frame type, shown in green (clockwise) or blue (counterclockwise). Propeller direction can be verified by checking leading edge thickness
Build a Boat for Treasure released January 11, 2022 by BfGames Studio. Game has over 1 million worldwide players. Players collect gold bars to build their own boat
Building your own plane is legal in most countries. Basic building kits cost between $6,500 and $15,000 USD. Work in a well-ventilated area above 50°F (10°C). Choose between wood/fabric, aluminum, or composite materials