Ask an Explainer - Propulsion

Displaying records 181 to 190 of 226
Q: What is super charging and explain effect on knock in internal combustion engines?
Categories:
Propulsion
Q: How could you explain the four basic principles that provide thrust in all engines?
Categories:
Propulsion
Q: I want to know more about quad copters. How do they fly? Further, how can you calculate their thrust?
Categories:
Propulsion
Q: Besides the airplane, what other inventions have been created based on change in air pressure logic?
Categories:
Propulsion
Q: We often see propellers with two, three, four, or five blades, but would twelve or twenty with an angle that accommodates wind flow require less horsepower?
Categories:
Propulsion
Q: Why can't propellers have one blade?
Categories:
Propulsion
Q: Has there ever been a cat in space?
Categories:
Propulsion
Q: Hi, I'm a teacher and this month's theme is transportation. We have a debate going as to whether a parachute is considered a mode of transportation. What do you say?
Categories:
Propulsion, Structures & Materials
Q: How does a rocket leave from the escape velocity in earth?
Categories:
Propulsion
Q: What provides reaction force to a rocket in space when there is nothing at all when the engine fires hot gas? You might say that it doesn't need any force to move in space because of the first law, but then how does it change its direction?
Categories:
Propulsion