D-CLASS ALTITUDE RECORDS
These are the UKRA altitude records for D-class model rockets powered by a single, commercially available rocket motor.
| Altitude | Rocket Name |
Name or Team |
Motor Total Impulse |
Airframe diameter |
Rocket mass |
Recovery System |
Date | Location | Altitude verification method |
|
| 1. | 2800 ft (849m) |
Scratchbuilt | Jonathan Lee (Black Knights) |
D12-7 Estes Single Use |
0.984" 25mm - 13mm |
- - |
Single Streamer | 20 February, 2005 | Milson, Worcestershire |
PicoAlt LO3 Altimeter |
| 2. | 2339 ft (709m) |
Scratchbuilt | Jonathan Lee (Black Knights) |
D12-7 Estes Single Use |
0.984" 25mm - 13mm |
- - |
Single Streamer | 6 March, 2005 | EARS, Cambridgeshire |
PicoAlt LO3 Altimeter |
| 3. | 1788 ft (542m) |
X-1 (Scratchbuilt) |
Phil Charlesworth (FOG) |
D12-7 Estes Single Use |
0.984" 25mm |
35g Dry |
- | 28 March, 2005 | FOG, Redwick, South Wales |
Perfectflite Alt15K Altimeter |
| 4. | 1274 ft (386m) |
Lurid Teapot Dew (Scratchbuilt) |
Sean Arrowsmith (Black Knights) |
D12-5 Estes Single Use |
0.984" 25mm |
57.288g / 2.02oz Dry |
Single Main Parachute | 19 September, 2004 | Milson, Worcestershire |
Perfectflite MiniAlt/WD Altimeter |



