Tag: fuel

41 Using ozone as oxidizer 2016-12-19T13:44:47.077

37 Do booster stages run out of fuel, or are they purposefully shut off? 2017-05-30T00:50:30.610

28 Why are hydrogen-fluorine fuels not used for rockets more frequently? 2013-08-21T15:35:36.960

27 Why is there a hole in solid rocket engines? 2015-11-03T18:07:47.540

26 Why do the exhaust flames from cryogenic stage engines appear to be separated from the nozzle? 2013-09-18T07:05:53.023

25 Why did it take so long for methane to be used as a rocket propellant? 2015-10-01T11:59:59.680

23 Does the NK-33 engine require subcooled kerosene so cold that it turns to wax? 2016-03-15T08:09:44.980

20 Why is the Angara rocket called eco-friendly? 2014-12-23T12:33:24.060

19 What was the result of the propellant predictions in the last chapter of "Ignition!"? 2016-12-29T20:54:46.343

18 Reasons why liquid anhydrous ammonia fuel chosen for the X-15? Has it been used in other rocket engines? 2017-08-22T13:31:01.050

17 Could I home-brew my own rocket fuel? 2014-02-25T15:14:02.473

17 Could 3D printing be used to achieve perfect grain geometry of solid and hybrid rocket motors? 2014-03-31T10:49:18.993

16 In a cryogenic fuel rocket, at what pressure is the fuel injected into the engine? 2013-07-19T06:58:23.300

16 Can solid fuel leak? 2013-08-26T10:18:38.167

16 How are fuel tanks filled with cryogenic hydrogen? 2013-12-06T07:35:20.980

16 How feasible is it to use aluminum and liquid oxygen as future propellant sourced from the moon? 2014-11-14T18:11:24.243

15 How much fuel was used for a Space Shuttle launch? 2013-10-21T21:59:05.053

15 Could a rocket engine be designed to use different fuels? (Like LOX+H2, LOX+CH4) 2014-06-10T17:43:50.107

15 How are cryogenic rocket propellants delivered to the launch pad? 2015-05-12T17:41:43.293

14 How does the launch risk posed by plutonium compare to the launch risk posed by propellants? 2013-07-16T21:23:25.587

14 Petrol as rocket fuel 2014-03-24T17:57:25.367

14 Is the supercooled LOX used in Falcon 9 Full Thrust a first? 2015-12-21T21:47:32.487

13 How long is it feasible to store cryogenic fuels? 2013-11-21T00:11:23.447

12 Are MMH and UDMH interchangeable? 2013-08-11T23:24:47.260

12 Are there any proposals to vacuum up gases in orbit for use as propellant? 2013-08-19T17:51:07.127

12 How was reserve fuel calculated for the Apollo missions? 2013-10-22T02:58:38.527

12 What is a typical energy demand and carbon footprint of a space launch? 2013-11-25T10:08:47.620

12 Which currently operational orbital launch vehicle achieves highest system-specific impulse? 2013-12-01T03:58:07.787

12 How weak can a propellant be and still get a rocket to space, theoretically? 2015-04-11T03:21:15.313

12 What are the challenges in Falcon 9 "full thrust" (v1.2) with densified propellant? 2015-12-11T00:37:20.717

12 Do the propellants ionize in chemical rockets? 2016-01-03T10:34:43.010

12 Is atmospheric skimming for propellant feasible? 2017-01-13T15:56:21.377

12 Flying fuel tanks! Which deep-space spacecraft had the largest fuel mass fraction? 2017-09-14T15:09:38.603

12 How do rockets keep their fuel in a liquid state? 2018-01-23T18:53:10.017

11 At what travel distances are ion engines faster and more efficient than conventional fuel engines? 2013-07-16T21:09:51.883

11 Changes made to ISRO GSLV-D5's CUS and FBTP since GSLV-D3's LH2/LOX CUS failure to sustain ignition? 2013-08-10T23:22:16.147

11 Can a rocket motor be shut off after ignition? 2013-08-25T18:06:51.560

11 Nuclear thermal rocket specific impulse calculation uses 1 amu, is that wrong? 2013-09-18T14:02:33.577

11 Is it possible to use zinc powder as a NTR propellant? 2016-01-10T13:22:11.090

11 How long can a vehicle stay fueled before the liquid oxygen gets too warm? 2016-02-29T01:07:28.003

11 How would the Saturn V have differed if the first stage was also LH2/LOX? 2016-08-03T12:20:55.903

11 Do rockets deplete the oxygen on earth? 2017-09-29T09:28:36.947

10 How much fuel would one need to launch a 1kg object from 100,000 feet? 2013-07-19T06:04:25.783

10 How are fuel leaks discovered on a rocket? 2013-12-02T03:15:12.863

10 What kind of thrusters will the James Webb Space Telescope use for station keeping? 2015-01-14T23:41:57.267

10 Why is the Deep Space Industries Prospector 1 using water propellant instead of hydrazine? 2016-08-13T01:09:14.747

10 Why use Kerosene? 2016-11-09T22:44:07.620

10 Use of carbon monoxide as propellant on Mars 2017-04-23T09:56:37.173

10 Xenon vs Hydrazine, "Should I Stay or Should I go?" Dawn mission decisions 2017-06-18T11:13:19.670

9 What is this red gas at the exhaust of the Long March 3B rocket during liftoff? 2013-12-01T20:37:41.577

9 How much potential volume in a rocket's tank is actually used for fuel? 2014-05-03T19:32:29.260

9 Have launch system propellants evolved since RP1/LH2? 2014-08-13T13:45:18.277

9 What is the temperature inside a methane/oxygen rocket engine? 2015-07-01T17:08:07.183

9 Do any realistic rocket systems use different substances for propellant and fuel? 2016-01-09T00:52:51.730

9 How did the Space Shuttle keep its cryogenic fuel cold? 2016-03-23T04:22:58.953

9 What typically ends a satellite's life? 2016-06-25T18:24:38.293

9 What limits burning speed of solid propellant? 2016-06-27T12:19:36.767

9 Making propellants on Mars: Why not just LH2/LOX instead of methane? 2016-07-28T09:36:52.497

9 What do rockets eject? 2018-01-04T07:26:14.453

8 What creative orbital maneuvers might I do to save fuel for a geosynchronous spacecraft? 2013-07-16T21:02:28.733

8 Could waste methane be recycled as propellant on the ISS? 2013-08-11T10:32:51.993

8 Proportions of a reentering spacecraft as compared to fuel mass 2013-12-23T20:26:49.980

8 Could you protect a crew from space radiation with fuel? 2015-10-12T17:49:54.373

8 What's so hard about creating hydrazine? 2015-10-17T06:40:17.833

8 What is required to produce rocket quality methane fuel and oxygen from Mars' atmosphere? 2016-01-06T11:42:17.227

8 Is the Paramagnetism of Liquid Oxygen Ever Considered in Engine or Tank Design? 2016-03-03T05:23:22.847

8 What is the ortho/para issue with LH2 as a fuel? 2016-07-28T10:57:36.187

8 How much CO2 would city-to-city rocket flight produce compared to airliners? 2017-10-16T05:59:48.360

7 Is it safe to use a coilgun or railgun as an engine inside the solar system? 2013-07-27T10:59:42.857

7 Why do pressure-fed systems have to be pressurized with helium or nitrogen? 2015-06-03T02:55:01.767

7 How to find the optimum balance between amount of fuel and number of engines? 2017-02-28T14:03:40.517

6 What are the deal-breakers with a preheated Hydrogen gas tank orbital rocket? 2013-09-05T03:22:01.837

6 Approximately how much fuel will ISRO Mars Orbiter have available when it enter Mars' orbit? 2013-11-04T17:58:55.340

6 What temperature difference do the injectors in a cryo engine experience? 2014-01-27T06:16:26.173

6 SpaceX Falcon 9 Reusable first stage propellant for return 2014-07-24T03:02:39.783

6 Are oxidizer to fuel mixture ratios based on mass or volume? 2014-10-19T21:21:48.590

6 Will the Rocket Lab's Electron rocket really be an effective launch system? 2014-11-15T06:25:51.923

6 How is blow-back prevented in monopropellant chemical rockets? 2015-06-05T18:24:43.047

6 Which is overall more expensive to operate for a final rocket stage? LH2/LOX or hypergolics like UDMH/N2O4? 2015-07-18T21:04:12.043

6 How much energy does it take to extract water from silicate? 2016-01-15T18:32:52.660

6 Why were the Titan II's Flames Clear? 2016-02-19T21:05:35.847

6 Could oxygen be used in a resistojet in a vacuum environment? 2016-02-24T23:00:11.337

6 SpaceX Webcast - What is visible in this clip? 2016-03-05T17:40:54.233

6 Why is TEA-TEB chemical ignition used instead of spark ignition? 2016-05-25T04:43:40.940

6 Can Falcon 9's fuel be ignited by static discharge? 2016-09-11T18:06:18.473

6 Combination of liquid hydrogen and liquid oxygen 2016-10-10T22:37:40.203

6 Why does the BE-3 use hydrogen as fuel? 2016-10-28T18:19:15.473

6 Why don't rockets use propane? 2017-03-01T20:33:32.610

6 How do rocket propellant combinations rank in terms of "brightness"? 2017-03-11T17:01:24.810

6 Using asteroids as propellent source 2018-01-21T19:37:13.297

5 What does "self-pressurizing" mean in regards to propellant tanks? 2015-05-29T21:53:39.223

5 The practicalities of a rock sampling mission to Venus 2015-07-20T04:00:29.193

5 What was the first large rocket to use APCP solid fuel? 2015-08-30T22:52:25.847

5 Splitting water quickly to turn a water rocket into a H/O rocket at launch: could it work? 2015-10-18T19:42:37.290

5 What are the phases of ignition (and flameout) of a liquid fuel engine? 2015-12-19T23:05:52.057

5 chemical propulsion with separate fuel and propellant? 2016-03-28T15:07:17.417

5 How does an Electric Solid Propellant rocket actually work? 2016-07-01T09:32:48.847

5 Overcoming pressure differential to feed fuel into rocket engines 2017-01-03T03:30:38.370

5 Where is the Lithium-Fluorine-Hydrogen tripropellant currently? 2017-01-19T12:33:50.560