Skip to main content
19 votes
Accepted

How high could Ingenuity fly?

While Ingenuity would theoretically eventually hit a "service ceiling" above which the atmosphere is no longer dense enough to provided a TWR (Thrust-Weight-Ratio) of above 1, I suspect the ...
Dragongeek's user avatar
  • 19.2k
7 votes

What is the significance of a heat flux value of 1135 W/m^2 when jettisoning the payload fairing?

It appears that the original value was 0.1 BTU/ft2-sec, which you can see listed in some documents, for example this is from a Boeing information sheet for a Delta II launch in September 2007: This ...
Steve Pemberton's user avatar
5 votes

References on Launch Trajectories

Most real rockets use a combination of two methods to guide their ascent. The first stage through the atmosphere uses "open-loop" mode, where it just steers according to a pitch program -- ...
kwan3217's user avatar
  • 816
4 votes

How is Starship longitudinally stable during reentry?

Longitudinal stability, or pitch control, is not really the same in an aircraft as in the case of a bellyflopping Starship. The Starship is not experiencing aerodynamic lift in a traditional sense and ...
Darth Pseudonym's user avatar
2 votes

How is Starship longitudinally stable during reentry?

Those four surfaces are meant to adjust or trim the location of the center of dynamic pressure with relation to the center of mass. These relative locations are set to control the intended lift vector ...
user721108's user avatar
2 votes

References on Launch Trajectories

Try: "Introduction To Space Dynamics" by William Tyrrell Thomson and "Orbital Mechanics for Engineering Students" by Howard D. Curtis I did search a while back for a good article ...
phil1008's user avatar
  • 6,286
2 votes

How well would a supersonic aircraft perform in the Martian atmosphere?

There are a few factors to consider here: The air is thinner, The speed of sound is different, The gravity is lower, The aircraft will not be able to "breathe" oxygen in the atmosphere, and ...
phil1008's user avatar
  • 6,286

Only top scored, non community-wiki answers of a minimum length are eligible