User contributions for Vincent
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7 November 2012
- 18:4918:49, 7 November 2012 diff hist +392 File:Rocket mass.c →Features: mass ratio stuff
- 18:4118:41, 7 November 2012 diff hist +476 Rocket:First approximations →Minimum mass evaluation: text update and graph parameters
- 18:2918:29, 7 November 2012 diff hist +1,873 File:Rocket mass.c documentation
- 03:5703:57, 7 November 2012 diff hist +112 LOX →Liquid Oxygen: latent heat of vaporization
- 03:5103:51, 7 November 2012 diff hist 0 File:Rocket mass.c uploaded a new version of "File:Rocket mass.c": composite skirts, propellant venting and tank insulation (given data, not computed), mass ratio computed from delta V and Isp.
- 03:4603:46, 7 November 2012 diff hist −220 Rocket:First approximations →Our first approximation: 8.0 delta V instead of 9.0, lox venting, composite skirts, foam insulation
- 03:0403:04, 7 November 2012 diff hist +396 Rocket Main Tank →Thermal insulation: table and densities
6 November 2012
- 04:3704:37, 6 November 2012 diff hist +1,174 Rocket Main Tank more things to say about tanks
- 03:5403:54, 6 November 2012 diff hist +24 m Propellants →Oxidizers: LOX page link
- 03:5403:54, 6 November 2012 diff hist +25 m LOX →Liquid Oxygen: propellants link
- 03:5203:52, 6 November 2012 diff hist +129 m Rocket:First approximations →Our first approximation: 1kg payload hint
- 00:1700:17, 6 November 2012 diff hist +1,635 Propellants propellants basic data
5 November 2012
- 21:5121:51, 5 November 2012 diff hist +1,226 N Propellants starting propellants
- 19:2319:23, 5 November 2012 diff hist +6,020 N Aircraft Mission page creation current
- 16:3316:33, 5 November 2012 diff hist +847 Main Page →N-Prize and reflections on low-cost access to space: text fixes and adding main pages links
4 November 2012
- 02:5902:59, 4 November 2012 diff hist +26 Main Page →How to escape from Earth?: text fixes
- 02:1102:11, 4 November 2012 diff hist +50 Main Page →What is the LCAS project?: project info corrections
- 01:4801:48, 4 November 2012 diff hist +702 Main Page →News: nov 2012 news: rocket mass, graphs and twitter
2 November 2012
- 02:5402:54, 2 November 2012 diff hist +22 Rocket:First approximations →Minimum mass evaluation: source code link
- 02:4702:47, 2 November 2012 diff hist +357 N File:Rocket mass.c Program that iterates to compute an SSTO rocket's dry and wet mass (and other parameters). Compile with gcc -O2 -Wall rocket_mass.c -o rocket_mass -lm for normal use, and add -DMAKE_GRAPH after gcc on the command line if you want to create graph data as
- 02:3702:37, 2 November 2012 diff hist +2,624 Rocket:First approximations →Minimum mass evaluation: fifth graph: thrust and final acceleration, new close up graph for payload mass, and first approximation.
- 02:1502:15, 2 November 2012 diff hist +143 N File:Payload 0-6k.png Graph representing rocket dry and wet mass as function of the payload mass (or any other fixed mass subsystem), ranging from 0 to 6 kg payload.
- 01:4101:41, 2 November 2012 diff hist +131 N File:Final acceleration.png Graph representing final acceleration and engine's thrust as function of the initial acceleration (overall thrust-to-weight ratio).
1 November 2012
- 05:1205:12, 1 November 2012 diff hist +3,048 Rocket:First approximations algorithm for the iterative process and first graphs
- 04:4704:47, 1 November 2012 diff hist +175 N File:Overall thrust to weight.png Graph representing rocket dry and wet mass as function of the vehicle (overall) initial thrust-to-weight ratio. There is an equivalence with the acceleration in number of G's.
- 04:4504:45, 1 November 2012 diff hist +94 N File:Engine thrust to weight.png Graph representing rocket dry and wet mass as function of the engine's thrust-to-weight ratio.
- 04:4404:44, 1 November 2012 diff hist +100 N File:Mass ratio.png Graph representing rocket dry and wet mass as function of the mass ratio (fixed by Isp and Delta V).
- 04:4304:43, 1 November 2012 diff hist +111 N File:Payload 0-80kg.png Graph representing rocket dry and wet mass as function of the payload mass (or any other fixed mass subsystem).
- 01:2901:29, 1 November 2012 diff hist +464 RocketEngines →Rocket Engine: page summary and link to the approximations
- 01:2201:22, 1 November 2012 diff hist −264 m Aero formulas →List of equations: fixed formulas images colors
- 01:1901:19, 1 November 2012 diff hist +12 m Rocket:First approximations →Delta V achievement: fix formulas images color
28 October 2012
- 04:2204:22, 28 October 2012 diff hist +649 Rocket:First approximations →Systems design for minimum mass: more mass-related text
- 03:3303:33, 28 October 2012 diff hist +645 N LOX about LOX
- 00:1900:19, 28 October 2012 diff hist +1,984 Rocket:First approximations →Systems design for minimum mass: more about mass for all subsystems
27 October 2012
- 20:3620:36, 27 October 2012 diff hist +4 m RocketEngines →Cooling for a LOX/E85 engine: typo
23 October 2012
- 01:4201:42, 23 October 2012 diff hist +459 Turbofan:Bearings →Oil displacement without external pumping: discussion about the method
15 October 2012
- 03:1903:19, 15 October 2012 diff hist +23 Flight at high altitude →Gas properties and altitude: typo
- 03:0503:05, 15 October 2012 diff hist +806 Turbofan:Bearings text fixes and https wikipedia links
- 02:2002:20, 15 October 2012 diff hist +8 m Build a cheap turbofan https for wikipedia
3 September 2012
- 17:4617:46, 3 September 2012 diff hist +5 m Rocket:First approximations →Systems design for minimum mass: fixing reference
27 August 2012
- 02:5902:59, 27 August 2012 diff hist +480 Rocket:First approximations fixing multiple references and moving text in related new subsections
- 02:0002:00, 27 August 2012 diff hist +2,755 Rocket:First approximations ref to Francis's master and adding new minimal mass section
18 August 2012
- 03:4903:49, 18 August 2012 diff hist +872 Rocket:First approximations →Delta V requirements: gravity drag estimation link and first delta V sums
- 03:2003:20, 18 August 2012 diff hist +466 Rocket:First approximations →Delta V achievement: orca rocket links
16 August 2012
- 02:2002:20, 16 August 2012 diff hist +425 Rocket:First approximations →Delta V achievement: bold keywords, few fixes
- 02:0502:05, 16 August 2012 diff hist +331 Rocket:First approximations thrust to weight ratio
- 01:4701:47, 16 August 2012 diff hist +165 Resources →Web pages: +selenian boondocks
- 01:2201:22, 16 August 2012 diff hist +116 Rocket:First approximations →Delta V achievement: finishing a forgotten sentence ending.
15 August 2012
- 03:4003:40, 15 August 2012 diff hist +506 Rocket:First approximations →Delta V requirements: fixes and adding forgotten latitude
14 August 2012
- 17:5117:51, 14 August 2012 diff hist +722 Rocket:First approximations →Delta V achievement: example mass ratios
