Why doesn’t the government just pump oil out of the ground to fill the oil Reserves, instead of buying it? May 8, 2025 12 Comments
Spitballing a diy project that requires a motor spinning a length of tubing that reels a tarp, in and out. Which materials would provide the best balance of low weight and resistance to sagging? One scenario requires 12ft, though the preferred length is 25ft. No middle supports, only one at each end May 8, 2025 9 Comments
Need advice for a toy crossbow build. How can I get the bow arms to open at the press of a button/lever, and lock in both the folded and open positions? April 26, 2025 1 Comment
comparison between axial flux motor, radial flux motor and solenoid motor, given the same amount magnetic material and copper wiring. Which have the highest power/torque density ? April 25, 2025 No Comments