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jsbsim.js

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JSBSim flight dynamics model ported to JavaScript

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<?xml version="1.0"?> <rocket_engine name="4 Segment Space Shuttle SRB"> <!-- This Space Shuttle Solid Rocket Booster (SRB) model is a standard four segment SRB, based on information publicly available at http://www.sworld.com.au/steven/space/shuttle/sim/, As well as on Wikipedia, and at www.astronautix.com. This table starts with a thrust of 3,060,000 lbs at no mass burned - which is an immediate thrust. However, the buildup of 0.2 seconds gives a sine wave ramp up of thrust from 0.0 to whatever the calculated value of thrust is. --> <isp> 268 </isp> <builduptime> 0.2 </builduptime> <variation> <thrust>0.02</thrust> <total_isp>0.00</total_isp> </variation> <thrust_table name="propulsion/thrust_prop_remain" type="internal"> <tableData> <!-- ========= ========= =========== ========= ===== Prop Burn Thrust Total Impls wdot Time ========= ========= =========== ========= ===== --> 0.0 3060000.0 <!-- 316699.9 11861.4 0.2 --> 1186.1 3060000.0 <!-- 316699.9 11861.4 0.2 --> 10675.3 3166999.3 <!-- 2850299.4 11861.4 1.0 --> 22519.8 3167999.3 <!-- 6012798.7 11827.7 2.0 --> 34368.2 3168999.3 <!-- 9176298.0 11868.9 3.0 --> 46280.1 3191999.3 <!-- 12356797.3 11955.1 4.0 --> 58293.2 3222999.3 <!-- 15564296.6 12071.2 5.0 --> 70429.9 3257999.3 <!-- 18804795.8 12202.2 6.0 --> 82671.5 3278999.3 <!-- 22073295.1 12280.9 7.0 --> 94976.8 3291999.3 <!-- 25358794.4 12329.6 8.0 --> 107326.9 3302999.3 <!-- 28656293.7 12370.8 9.0 --> 119709.0 3308999.3 <!-- 31962292.9 12393.3 10.0 --> 132106.0 3310999.3 <!-- 35272292.2 12400.7 11.0 --> 144506.7 3310999.3 <!-- 38583291.5 12400.7 12.0 --> 156909.3 3311999.3 <!-- 41894790.7 12404.5 13.0 --> 169315.7 3312999.3 <!-- 45207290.0 12408.2 14.0 --> 181729.5 3315999.3 <!-- 48521789.3 12419.5 15.0 --> 194156.5 3319999.3 <!-- 51839788.5 12434.5 16.0 --> 206598.5 3323999.3 <!-- 55161787.8 12449.4 17.0 --> 219055.4 3327999.3 <!-- 58487787.1 12464.4 18.0 --> 231525.4 3330999.3 <!-- 61817286.3 12475.7 19.0 --> 244002.9 3331999.3 <!-- 65148785.6 12479.4 20.0 --> 256482.3 3331999.3 <!-- 68480784.9 12479.4 21.0 --> 268937.4 3318999.3 <!-- 71806284.1 12430.7 22.0 --> 281257.6 3259999.3 <!-- 75095783.4 12209.7 23.0 --> 293349.4 3196999.3 <!-- 78324282.7 11973.8 24.0 --> 305222.0 3142999.3 <!-- 81494282.0 11771.5 25.0 --> 316903.7 3094999.3 <!-- 84613281.3 11591.8 26.0 --> 328413.0 3050999.3 <!-- 87686280.6 11427.0 27.0 --> 339763.2 3009999.3 <!-- 90716780.0 11273.4 28.0 --> 350965.5 2971999.3 <!-- 93707779.3 11131.1 29.0 --> 362031.0 2936999.4 <!-- 96662278.6 11000.0 30.0 --> 372965.5 2901999.4 <!-- 99581778.0 10868.9 31.0 --> 383770.7 2867999.4 <!-- 102466777.4 10741.6 32.0 --> 394450.5 2834999.4 <!-- 105318276.7 10618.0 33.0 --> 405008.5 2802999.4 <!-- 108137276.1 10498.1 34.0 --> 415448.6 2771999.4 <!-- 110924775.5 10382.0 35.0 --> 425774.4 2741999.4 <!-- 113681774.9 10269.7 36.0 --> 435987.9 2711999.4 <!-- 116408774.3 10157.3 37.0 --> 446089.0 2681999.4 <!-- 119105773.7 10044.9 38.0 --> 456079.7 2652999.4 <!-- 121773273.1 9936.3 39.0 --> 465963.6 2624999.4 <!-- 124412272.5 9831.5 40.0 --> 475744.5 2597999.4 <!-- 127023771.9 9730.3 41.0 --> 485429.9 2573999.4 <!-- 129609771.4 9640.4 42.0 --> 495029.1 2551999.4 <!-- 132172770.8 9558.1 43.0 --> 504547.8 2530999.4 <!-- 134714270.2 9479.4 44.0 --> 513991.6 2511999.4 <!-- 137235769.7 9408.2 45.0 --> 523368.0 2494999.4 <!-- 139739269.1 9344.6 46.0 --> 532675.2 2474999.5 <!-- 142224268.6 9269.7 47.0 --> 541881.2 2440999.5 <!-- 144682268.0 9142.3 48.0 --> 550965.4 2409999.5 <!-- 147107767.5 9026.2 49.0 --> 559952.3 2388999.5 <!-- 149507267.0 8947.6 50.0 --> 568877.4 2376999.5 <!-- 151890266.4 8902.6 51.0 --> 577770.7 2371999.5 <!-- 154264765.9 8883.9 52.0 --> 586656.4 2372999.5 <!-- 156637265.4 8887.6 53.0 --> 595557.2 2379999.5 <!-- 159013764.9 8913.9 54.0 --> 604489.8 2389999.5 <!-- 161398764.3 8951.3 55.0 --> 613465.4 2402999.5 <!-- 163795263.8 9000.0 56.0 --> 622489.8 2415999.5 <!-- 166204763.3 9048.7 57.0 --> 631562.8 2428999.5 <!-- 168627262.7 9097.4 58.0 --> 640684.5 2441999.5 <!-- 171062762.2 9146.1 59.0 --> 649853.0 2453999.5 <!-- 173510761.7 9191.0 60.0 --> 659066.5 2465999.5 <!-- 175970761.1 9236.0 61.0 --> 668326.8 2478999.5 <!-- 178443260.6 9284.6 62.0 --> 677632.1 2489999.4 <!-- 180927760.0 9325.8 63.0 --> 686974.8 2498999.4 <!-- 183422259.5 9359.5 64.0 --> 696349.3 2506999.4 <!-- 185925258.9 9389.5 65.0 --> 705755.6 2515999.4 <!-- 188436758.4 9423.2 66.0 --> 715199.5 2526999.4 <!-- 190958257.8 9464.4 67.0 --> 724684.5 2537999.4 <!-- 193490757.3 9505.6 68.0 --> 734205.1 2545999.4 <!-- 196032756.7 9535.6 69.0 --> 743755.6 2553999.4 <!-- 198582756.1 9565.5 70.0 --> 753332.4 2559999.4 <!-- 201139755.6 9588.0 71.0 --> 762931.7 2565999.4 <!-- 203702755.0 9610.5 72.0 --> 772551.5 2570999.4 <!-- 206271254.4 9629.2 73.0 --> 782188.2 2574999.4 <!-- 208844253.9 9644.2 74.0 --> 791839.9 2578999.4 <!-- 211421253.3 9659.2 75.0 --> 801500.9 2579999.4 <!-- 214000752.7 9662.9 76.0 --> 811169.5 2582999.4 <!-- 216582252.2 9674.2 77.0 --> 820832.4 2576999.4 <!-- 219162251.6 9651.7 78.0 --> 830441.0 2553999.4 <!-- 221727751.0 9565.5 79.0 --> 839942.9 2519999.4 <!-- 224264750.5 9438.2 80.0 --> 849339.9 2497999.4 <!-- 226773749.9 9355.8 81.0 --> 858660.1 2478999.5 <!-- 229262249.4 9284.6 82.0 --> 867894.2 2451999.5 <!-- 231727748.8 9183.5 83.0 --> 877015.9 2418999.5 <!-- 234163248.3 9059.9 84.0 --> 886021.5 2389999.5 <!-- 236567747.7 8951.3 85.0 --> 894926.0 2364999.5 <!-- 238945247.2 8857.7 86.0 --> 903716.3 2328999.5 <!-- 241292246.7 8722.8 87.0 --> 912362.3 2287999.5 <!-- 243600746.2 8569.3 88.0 --> 920849.2 2243999.5 <!-- 245866745.7 8404.5 89.0 --> 929195.7 2212999.5 <!-- 248095245.2 8288.4 90.0 --> 937457.8 2198999.5 <!-- 250301244.7 8236.0 91.0 --> 945675.1 2188999.5 <!-- 252495244.2 8198.5 92.0 --> 953845.5 2173999.5 <!-- 254676743.7 8142.3 93.0 --> 961950.3 2153999.5 <!-- 256840743.3 8067.4 94.0 --> 969965.3 2125999.5 <!-- 258980742.8 7962.5 95.0 --> 977866.1 2092999.5 <!-- 261090242.3 7838.9 96.0 --> 985643.2 2059999.5 <!-- 263166741.9 7715.4 97.0 --> 993309.9 2033999.6 <!-- 265213741.4 7618.0 98.0 --> 1000886.7 2011999.6 <!-- 267236741.0 7535.6 99.0 --> 1008377.3 1987999.6 <!-- 269236740.5 7445.7 100.0 --> 1015770.6 1959999.6 <!-- 271210740.1 7340.8 101.0 --> 1023055.2 1929999.6 <!-- 273155739.7 7228.5 102.0 --> 1030225.6 1898999.6 <!-- 275070239.2 7112.4 103.0 --> 1037270.6 1862999.6 <!-- 276951238.8 6977.5 104.0 --> 1044175.1 1823999.6 <!-- 278794738.4 6831.5 105.0 --> 1050935.3 1785999.6 <!-- 280599738.0 6689.1 106.0 --> 1057570.2 1756999.6 <!-- 282371237.6 6580.5 107.0 --> 1064109.5 1734999.6 <!-- 284117237.2 6498.1 108.0 --> 1070581.4 1720999.6 <!-- 285845236.9 6445.7 109.0 --> 1076954.1 1681999.6 <!-- 287546736.5 6299.6 110.0 --> 1083109.5 1604999.6 <!-- 289190236.1 6011.2 111.0 --> 1088905.4 1489999.7 <!-- 290737735.8 5580.5 112.0 --> 1094158.2 1314999.7 <!-- 292140235.5 4925.1 113.0 --> 1098646.9 1081999.8 <!-- 293338735.2 4052.4 114.0 --> 1102249.9 841999.8 <!-- 294300735.0 3153.6 115.0 --> 1105083.3 670999.9 <!-- 295057234.8 2513.1 116.0 --> 1107349.2 538999.9 <!-- 295662234.7 2018.7 117.0 --> 1109163.8 429999.9 <!-- 296146734.6 1610.5 118.0 --> 1110607.6 340999.9 <!-- 296532234.5 1277.2 119.0 --> 1111740.6 263999.9 <!-- 296834734.4 988.8 120.0 --> 1112598.3 194000.0 <!-- 297063734.4 726.6 121.0 --> 1113218.1 137000.0 <!-- 297229234.3 513.1 122.0 --> 1113656.3 97000.0 <!-- 297346234.3 363.3 123.0 --> 1113965.3 68000.0 <!-- 297428734.3 254.7 124.0 --> 1114092.6 0.0 <!-- 297462734.3 0.0 125.0 --> </tableData> </thrust_table> <function name="propulsion/engine[#]/chamber-pressure_psia" type="post"> <product> <p>propulsion/engine[#]/thrust-lbs</p> <v>0.000314</v> </product> </function> </rocket_engine>