The D21T (D21) is a 96% D single-use motor from Aerotech.
Aerotech's Blue Thunder propellant produces a bright violet-blue flame with a minimum of exhaust smoke. These motors provide a higher level of thrust than White Lightning or Black Jack motors of the same total impulse.
| Average Thrust: | 20.8410 N |
| CSFM Classification: | Model Rocket Motor |
| Certified By: | National Association of Rocketry |
| Class: | 96% D |
| Delays: | 4,7 seconds |
| Designation: | D21T |
| Diameter: | 18.0000 mm |
| Formula: | Blue Thunder |
| Length: | 70.0000 mm |
| Letter: | D |
| Manufacturer: | Aerotech |
| Name: | D21 |
| Peak Thrust: | 32.1200 N |
| Status: | In-Production |
| Thrust Duration: | 0.9400 s |
| Total Impulse: | 19.5900 Ns |
| Total Weight: | 25.0000 g |
| Type: | Single-Use |
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