G78G/L Data (RASP)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
29 mm |
29 mm |
= |
| Length |
124 mm |
124 mm |
= |
| Prop. Weight |
60 g |
60 g |
= |
| Total Weight |
125 g |
125 g |
= |
| Avg. Thrust |
79.7 N |
79.9 N |
= |
| Max. Thrust |
102.2 N |
101.9 N |
= |
| Total Impulse |
109.8 Ns |
109.9 Ns |
= |
| Burn Time |
1.4 s |
1.4 s |
= |
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Data Graph
File Notes
| AT G78G
| Konrad J Hambrick
| May 22, 2025
| |
John's 2008 RASP File matches the Cert except for the Motor Length.
Changed the Motor Length from 146 mm to 124 mm and ran thru raspifix to check accuracy of the metadata and to reformat the ( time, thrust ) pairs
|
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Raw Data
; @File: G78G_Typ.txt, @Pts-I: 1001, @Pts-O: 31, @Sm: 0, @CO: 5%
; @TI: 109.776, @TIa: 109.5639, @TIe: 0.0%, @ThMax: 102.242, @ThAvg: 79.5671, @Tb: 1.377
; Exported using ThrustCurveTool, www.ThrustGear.com
; kjh started with John's 2008 RASP file.
; changed motor length from 146mm to 124mm in the header row
; reprocessed by: raspifix AeroTech_G78G_L.raw to calc metadata and reformat
;
G78G 29 124 4-7-10, 0.0597 0.1250 AT/RCS
0.004 2.762
0.006 34.771
0.008 44.326
0.010 41.279
0.012 28.593
0.014 27.393
0.016 38.057
0.020 47.704
0.022 48.201
0.030 56.434
0.042 61.403
0.060 65.883
0.212 84.526
0.266 88.922
0.404 95.593
0.430 98.975
0.466 100.536
0.580 102.242
0.694 101.319
0.860 95.453
1.100 90.419
1.132 82.562
1.156 72.638
1.168 64.903
1.194 42.339
1.216 28.342
1.226 24.980
1.256 17.401
1.286 13.047
1.382 5.053
1.472 0.000
; Total Impulse 109.78 (N-sec)
; Avg Thrust 74.59 (N)
; Max Thrust 102.24 (N) at 0.580 sec
; Specific Impulse 187.51 (sec)
;
You can also download the raw data points as a CSV file.
