Tagged Questions
6
votes
1answer
82 views
How much Bicarbonate of Soda and Vinegar would I need to reach space?
So here is my problem - as part of my job I present some science demonstrations to children and one of the tricks I regularly use is the bicarb/acetic acid rocket. I thought the other day that a ...
0
votes
2answers
229 views
What alternative shapes may a rocket heading into orbit have?
It looks like most rockets that head out of Earth, or even into orbit are pencil shaped (or nearly so). I would take this to mean there is some mass of air such vehicles push out of their way.
What ...
1
vote
1answer
139 views
Rotation of Rockets
I referred the Roll program in space shuttles. But, I can't understand the mechanism. So, They rotate during the launch in order for proper alignment. I know that only tilting, gimbaling or using ...
2
votes
1answer
88 views
Would it be economical to add a counterweight to rocket launches?
It seems a large amount of rocket fuel during launches is spent to get the mass moving; indeed according to QuickLaunch, Inc. it takes 40% of the rocket fuel to get to Mach 1.3. It seems as though the ...
0
votes
0answers
80 views
Is the fuel burn for a satellite launch affected by the position of the moon relative to the launch site?
The gross mass of a satellite rocket is tiny compared to that of Earth, and Luna. Between them, however, the two bodies set up tides in bodies of water which itself is again considerable mass.
At ...
12
votes
2answers
579 views
Why don't rockets tip over when they launch?
Rockets separate from the launch pad and supporting structures very early in flight. It seems like they should tip over once that happens.
Why don't they tip over? Is it due to a well designed ...
5
votes
3answers
411 views
Why do rockets accelerate fastest horizontally?
I've heard that rockets accelerate fastest when travelling horizontally to the ground, not downwards or upwards. Is that true, and why?
4
votes
4answers
398 views
Why are there more vertical takeoff than horizontal for spacecrafts?
Vertical takeoff requires disposable rockets (would it a satellite rocket), which is a money loss, and also a lot of fuel, because initial velocity is zero. Also vertical takeoff seems risky, involves ...
1
vote
0answers
154 views
Rocket engines design & materials [closed]
Does anyones know which materials (or type of steel) are used to make rocket engines nozzles & combustion chambers?
What are the tricks to reduce temperature of the engine except trying to cool ...
