The SpaceX Raptor engines are becoming far more powerful and should reach over 330 tons of force while not needing a heat shield. Removing the need for a heat shield will lower the overall mass and ...

Tweet this “The new T25 has the best power-to-weight ratio of all high-thrust 25 horsepower outboards,” said Ben Speciale, Yamaha U.S. Marine Business Unit President.

Maybe. Retired Rear Admiral George E. Jessen argued way back in 1995 that most modern strike fighters—thanks to higher thrust-to-weight ratios and vectoring nozzles—no longer need catapults.