4 ms·
The center of thrust moving forward would not have any effect on the pitching moment.
by teleclimber 8y ago
The center of thrust moving forward would not have any effect on the pitching moment.
- aphextron 8y ago>The center of thrust moving forward would not have any effect on the pitching moment. Sure it would. Here's a better explanation than I care to make: https://www.quora.com/Where-should-the-center-of-mass-lift-and-thrust-be-on-a-jet https://www.quora.com/Where-should-the-center-of-mass-lift-a... "If the Center of Thrust does not act through the Center of Gravity there will be a moment causing the aircraft to pitch, yaw or roll about the axes of the aircraft and the moment(s) must be counter balanced by design (including provision for trimming when the thrust is varied)." Boeing chose to counteract that newly induced pitch moment with software, so that they could sell the MAX 8 to airlines as not requiring any new training or type ratings. And now nearly 400 people are dead because of a marketing decision.
- teleclimber 8y agoIf you move an engine forwards (or backwards) you are moving it along its thrust vector. Therefore the moment resulting from the distance between the thrust vector and the center of mass is unchanged. Source: Physics 101
- AnimalMuppet 8y agoRight, but if you increase the power, you increase the moment.