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Kengineer's user avatar
Kengineer's user avatar
Kengineer
  • Member for 9 years, 6 months
  • Last seen more than 6 years ago
33 votes

Would it have been any more difficult to build the space station without the space shuttle?

18 votes
Accepted

What is efficiency improvement in Rutherford rocket engine?

7 votes

Which is overall more expensive to operate for a final rocket stage? LH2/LOX or hypergolics like UDMH/N2O4?

7 votes
Accepted

Is it possible to use zinc powder as a NTR propellant?

7 votes
Accepted

chemical propulsion with separate fuel and propellant?

6 votes

What would be the performance of a nuclear lightbulb engine with graphene instead of quartz?

5 votes

Feasibility of Project Orion

5 votes

Dissipating large amounts of energy fast, in space

5 votes
Accepted

Radioactive Embrittlement of Metals in Space

5 votes

Mining lunar thorium for building nuclear rockets on the Moon

3 votes

Could a spacecraft take off from Earth using nuclear thermal rockets?

2 votes

Is there any non-rocket spacelaunch concept within reach of current material science and technology?

2 votes

Why are the EVA suits in the suitport (concept) exposed to the environment?

2 votes

Will space-based energy beamed to earth increase heat on earth?

1 vote

What is a reasonable cost estimate for space solar power (SSP)?

1 vote

Could a space based solar power system be used as a weapon?

1 vote

Why does the Falcon 9 require a helium pressurization system?

1 vote
Accepted

Don't Preburner exhaust fumes disturb the combustion in a Full-flow Staged Engine?

0 votes

What is the status of concentrated solar energy (CSE) in space exploration?