User contributions for Vincent
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29 December 2012
- 00:5800:58, 29 December 2012 diff hist +123 N Category:Rocket rocket category current
- 00:5600:56, 29 December 2012 diff hist +21 m Rocket:First approximations adding rocket category
- 00:5400:54, 29 December 2012 diff hist +607 Rocket:First approximations New introduction
25 December 2012
- 00:3600:36, 25 December 2012 diff hist +792 Rocket:First approximations →The gravity drag and overall thrust-to-weight ratio issue: smaller engine is better
20 December 2012
- 03:0903:09, 20 December 2012 diff hist +630 Rocket:First approximations →Delta V achievement: simplifed rocket equation issue
- 02:2402:24, 20 December 2012 diff hist +340 m Rocket:First approximations adding "the Thrust and Specific Impulse" reference
- 02:1202:12, 20 December 2012 diff hist +478 Rocket:First approximations →Delta V achievement: more about thrust
13 December 2012
- 02:0102:01, 13 December 2012 diff hist −78 MediaWiki:Sidebar reverting: dispayed as sections current
- 02:0102:01, 13 December 2012 diff hist +78 MediaWiki:Sidebar trying to put subsections
- 01:5001:50, 13 December 2012 diff hist +248 Rocket:First approximations →Effects of parameter changes: text fixes
- 01:3201:32, 13 December 2012 diff hist −220 Rocket:First approximations →Our first approximation: updating the example with graph's values
12 December 2012
- 23:0323:03, 12 December 2012 diff hist +2 m Rocket:First approximations →Gravity drag: updated link for selenianboondocks
- 18:0618:06, 12 December 2012 diff hist +60 m Rocket:First approximations →The gravity drag and overall thrust-to-weight ratio issue: small fixes
- 15:4615:46, 12 December 2012 diff hist +89 Main Page →News: about the gravity drag issue
- 04:0804:08, 12 December 2012 diff hist +1,393 Rocket:First approximations →Effects of parameter changes: the answer to the question of gravity drag and t/w ratio
- 03:3303:33, 12 December 2012 diff hist 0 File:Gravity drag and thrust to weight.png uploaded a new version of "File:Gravity drag and thrust to weight.png": Updated with the gravity drag curve and make the image larger. current
- 03:0503:05, 12 December 2012 diff hist +90 N File:Gravity drag and thrust to weight.png Made with File:Rocket_mass.c v3 plus a gravity drag evaluation added in the iteration.
- 01:4201:42, 12 December 2012 diff hist 0 File:Rocket mass.c uploaded a new version of "File:Rocket mass.c": clarification about the propellant mass. vehicle_wet_mass is the dry mass + the burnt propellant mass, but it doesn't include the propellant taken aboard and evaporated during the ascent. The output current
11 December 2012
- 23:1423:14, 11 December 2012 diff hist +230 Rocket:First approximations →Our first approximation: warning message
- 21:0621:06, 11 December 2012 diff hist +560 Rocket:First approximations →Effects of parameter changes: graphs update
- 20:5920:59, 11 December 2012 diff hist 0 File:Isp.png uploaded a new version of "File:Isp.png": starting at 280 instead of 270 current
- 20:5420:54, 11 December 2012 diff hist +4 m File:Isp.png fix link
- 20:5320:53, 11 December 2012 diff hist +172 N File:DeltaV.png Graph representing rocket dry and wet mass as function of the Delta V. Done with version 3 of File:Rocket_mass.c, overall thrust-to-weight ratio is 2.5 and Isp is 340s. current
- 20:5220:52, 11 December 2012 diff hist +297 N File:Isp.png Graph representing rocket dry and wet mass as function of the Isp. This is clearly exponential on the left because a too low Isp means that orbit cannot be reached, the mass ratio gets too high. Done with version 3 of File:Rocket_mass.c. Delta V is 8300 m
- 20:0920:09, 11 December 2012 diff hist 0 File:Mass ratio.png uploaded a new version of "File:Mass ratio.png": Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too, and overall thrust-to-weight ratio is 2.5 instead of 1.25. current
- 20:0820:08, 11 December 2012 diff hist 0 File:Engine thrust to weight.png uploaded a new version of "File:Engine thrust to weight.png": Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too, and overall thrust-to-weight ratio is 2.5 instead of 1.25. current
- 20:0620:06, 11 December 2012 diff hist 0 File:Overall thrust to weight.png uploaded a new version of "File:Overall thrust to weight.png": Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too. current
- 20:0420:04, 11 December 2012 diff hist 0 File:Final acceleration.png uploaded a new version of "File:Final acceleration.png": Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too. current
- 20:0220:02, 11 December 2012 diff hist 0 File:Payload 0-80kg.png uploaded a new version of "File:Payload 0-80kg.png": fixing update current
- 19:5819:58, 11 December 2012 diff hist 0 File:Payload 0-80kg.png uploaded a new version of "File:Payload 0-80kg.png": Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too.
- 19:5719:57, 11 December 2012 diff hist 0 File:Payload 0-6k.png uploaded a new version of "File:Payload 0-6k.png": Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too. current
- 13:3213:32, 11 December 2012 diff hist +552 File:Rocket mass.c v3 update
- 13:2613:26, 11 December 2012 diff hist 0 File:Rocket mass.c uploaded a new version of "File:Rocket mass.c": Refining the model: better structure, more realistic fairing, adding forgotten pipes and valves, tanks alignment on outer shell, composite skirts for non-structural or soft tanks.
- 03:3603:36, 11 December 2012 diff hist +77 File:Rocket mass.c Adding the picture and few details
- 03:1503:15, 11 December 2012 diff hist +684 Rocket:First approximations Refactoring the page
- 00:2600:26, 11 December 2012 diff hist +79 N File:Rocket model.png Rocket model illustration for the computed rocket model: File:Rocket_mass.c current
2 December 2012
- 01:1601:16, 2 December 2012 diff hist +1,111 Main Page →News: updates for the erroneous gravity drag and thrust
29 November 2012
- 03:1703:17, 29 November 2012 diff hist +95 m Resources →Web pages: adding gravity loss
- 02:1202:12, 29 November 2012 diff hist +173 m Main Page →How to escape from Earth?: gravityloss link to air breathers
28 November 2012
- 04:1204:12, 28 November 2012 diff hist +117 m RocketEngines →Cooling for a LOX/E85 engine: AA LOX film cooling
- 03:5603:56, 28 November 2012 diff hist +183 Rocket:First approximations →Delta V requirements: gravity drag evaluation
27 November 2012
- 03:4703:47, 27 November 2012 diff hist +255 m Rocket:First approximations fixes along the page
- 03:2003:20, 27 November 2012 diff hist +1,001 Rocket:First approximations →Rocket engine: overall thrust-to-weight: graph and text
- 03:1003:10, 27 November 2012 diff hist +225 N File:Rocket ignition.png Graph of the rocket trajectory for first moments after release, assuming ignition at the time of the release, a thrust vector with 45 deg pitch, and an overall thrust-to-weight ratio of 2. No atmosphere considered whatsoever. current
26 November 2012
- 23:3223:32, 26 November 2012 diff hist +1,072 Rocket:First approximations →Delta V requirements: more about gravity drag
25 November 2012
- 02:5802:58, 25 November 2012 diff hist +115 Main Page →News: november update update
- 02:5402:54, 25 November 2012 diff hist +1,181 Rocket:First approximations →Rocket engine: more about the two thrust-to-weight ratios
- 00:3200:32, 25 November 2012 diff hist +42 m Rocket:First approximations →Delta V achievement: text update
24 November 2012
- 02:1002:10, 24 November 2012 diff hist +36 m Heat transfer →Cases of application: source code link
- 02:0102:01, 24 November 2012 diff hist 0 m File:Heat transfer to rocket tank.c fixing code block current
