D21T Data (RASP)
Accuracy of this data file:
| |
This File |
Certified |
± |
| Diameter |
18 mm |
18 mm |
= |
| Length |
70 mm |
70 mm |
= |
| Prop. Weight |
10 g |
10 g |
= |
| Total Weight |
25 g |
25 g |
= |
| Avg. Thrust |
22.2 N |
20.8 N |
+7% |
| Max. Thrust |
32.1 N |
32.1 N |
= |
| Total Impulse |
19.6 Ns |
19.6 Ns |
= |
| Burn Time |
0.9 s |
0.9 s |
−6% |
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Data Graph
File Notes
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Raw Data
;Aerotech D21 RASP.ENG file made from NAR published data
;File produced July 4, 2000
;Submitted to ThrustCurve.org by Chris Kobel (3/29/07)
;The total impulse, peak thrust, average thrust and burn time are
;the same as the averaged static test data on the NAR web site in
;the certification file. The curve drawn with these data points is as
;close to the certification curve as can be with such a limited
;number of points (32) allowed with wRASP up to v1.6.
D21T 18 70 4-7 0.0096 0.025 AT
0.01 1.367
0.021 19.367
0.029 32.12
0.037 31.667
0.051 30.528
0.094 30.074
0.115 31.213
0.133 30.074
0.177 30.76
0.189 29.842
0.203 30.528
0.226 29.842
0.275 28.935
0.296 29.389
0.331 28.027
0.421 25.971
0.478 24.146
0.579 20.728
0.659 17.774
0.739 14.356
0.799 9.569
0.852 4.557
0.899 1.139
0.94 0
You can also download the raw data points as a CSV file.
