SpaceX’s Raptor 3 engine, built for the upcoming Starship V3 vehicle, now produces 250 tonnes-force of thrust at sea level, according to figures the company has shared publicly. That marks roughly a 9 ...

For those who think of trolling motors as those inexpensive accessories that push lightweight boats, canoes and kayaks around small lakes, it may have been difficult to understand the fuss when the ...

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New bow-mount electric trolling motors for boating anglers continue to push the envelope of technology, efficiency, stealth, corrosion resistance and integration with onboard electronics. In July 2023 ...

When designing model aircraft of any shape or size, it’s useful to know the performance you can expect from the components chosen. For motors and propellers, this can be difficult. It’s always best to ...

The problem of components not conforming to their claimed specification is one that must challenge engineers in all fields, including it seems, that of multi-rotors and remote controlled aircraft. A ...

Upgrading your engine from a flat-tappet valvetrain to roller comes with a lot of advantages—mainly more power and radically reducing the chances of wiping a camshaft lobe—but it also requires a few ...

manufacturing similarities to the MK56 motor. “We look forward to supporting Raytheon in the effort to maintain and extend the service life of the SM-1 assets deployed around the world by our allied ...

Aerojet recently test fired a flight-weight controllable thrust motor at its Sacramento, Calif., facility. The company said it met all performance objectives in the 44-sec. static test firing. Other ...