H-CLASS ALTITUDE RECORDS
These are the UKRA altitude records for H-class high power 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. | 7979 ft (2418m) |
Way of the Dragon (Scratchbuilt) |
Ben Jarvis (MARS) |
H-153 244 Ns Pro-38 2-grain |
38mm | 600g | Single Streamer | June 2004 | UKRA 2004, Lincolnshire |
Perfectflite Alt15K Altimeter Traxa RF Beacon |
| 2. | 7326 ft (2220m) |
St George II (Scratchbuilt) |
Ady Waters (EARS) |
H-153 244 Ns Pro-38 2-grain |
38mm | June 2005 | UKRA 2005, Lincolnshire |
G-Wiz LC Deluxe 800 Altimeter / Accelerometer Traxa RF Beacon |
||
| 3. | 6941 ft (2103m) |
Hellfire II (Scratchbuilt) |
Ady Waters (EARS) |
H-153 244 Ns Pro-38 2-grain |
38mm | 510g | Single Parachute | May 2004 | Big EARS, Cambridgeshire |
G-Wiz LC Deluxe 800 Altimeter / Accelerometer Traxa RF Beacon |
| 4. | 6871 ft (2082m) |
06 Special (Scratchbuilt) |
Ady Waters (EARS) |
H-153 244 Ns Pro-38 2-grain |
42mm | Single Parachute | June 2006 | UKRA 2006, Lincolnshire |
G-Wiz LC Deluxe 800 Altimeter / Accelerometer Traxa RF Beacon |
|
| 5. | 6566 ft (1990m) |
2xtreme (Scratchbuilt) |
Steve Randall (EARS) |
H-180W 240 Ns Aerotech (29/240) |
29mm | September 2000 | K-Lob, Lincolnshire |
G-Wiz LC Deluxe Altimeter / Accelerometer | ||
| 6. | 5946 ft (1802m) |
Hellfire II (Scratchbuilt) |
Ady Waters (EARS) |
H-153 244 Ns Pro-38 2-grain |
38mm | April 2005 | Big EARS, Cambridgeshire |
Perfectflite MiniAlt W/D Altimeter Traxa RF Beacon |
||
| 7. | 4584 ft (1389m) |
Hellfire (Scratchbuilt) |
Ady Waters (EARS) |
H-153 Pro-38 2-grain |
38mm | 793g | Single Parachute | September 2003 | K-Lob, Lincolnshire |
G-Wiz LC Deluxe 800 Altimeter / Accelerometer Traxa RF Beacon |
| 8. | 4410 ft (1336m) |
Mako Shark (Scratchbuilt) |
Roy Treciak-Hicks (EARS) |
H-180W 240 Ns Aerotech (29/240) |
38mm | September 2000 | K-Lob, Lincolnshire |
BSR ALTACC Altimeter / Accelerometer | ||
| 9. | 4269 ft (1294m) |
Troy Mk IV HPR (Scratchbuilt) |
Ady Waters (EARS) |
H-110 265 Ns (265H110-13A) |
2" 54mm |
910g (dry) | 1 stage, 36" chute | April 2003 | EARS, Cambridgeshire |
G-Wiz LC Deluxe 800 Traxa RF Beacon |
| 10. | 4116 ft (1247m) |
Minor Malfunction (Scratchbuilt) |
Richard Osborne (MARS) |
H-153 244 Ns Pro-38 2-grain |
1.5" 38mm |
1 stage, Streamer | June 2004 | UKRA 2004, Heckington, Lincolnshire |
Perfectflite Alt15K Altimeter JAROSS RF Beacon |
|
| 11. | 3976 ft (1205m) |
Hope HPR (Scratchbuilt) |
Ady Waters (EARS) |
H-110 265 Ns (265H110-13A) |
2" 54mm |
1 stage, 36" chute | June 2003 | UKRA 2003, Heckington, Lincolnshire |
G-Wiz LC Deluxe 800 Traxa RF Beacon |
|
| 12. | 3907 ft (1184m) |
Troy Mk IV HPR (Scratchbuilt) |
Ady Waters (EARS) |
H-110 265 Ns (265H110-13A) |
2" 54mm |
910g (dry) | 1 stage, 36" chute | June 2003 | EARS, Cambridgeshire |
G-Wiz LC Deluxe 800 Traxa RF Beacon |
| 13. | 2523 ft (765m) |
Callisto (Modified Kit) |
Colin Rowe (WRS) |
H-180W 240 Ns Aerotech (29/240) |
2" 54mm |
2 stage, Drogue and 36" chute | June 2003 | EARS, Cambridgeshire |
G-Wiz LC Deluxe 400 | |
| 14. | 1750 ft (530m) |
PML Quasar (Kit) |
Hugh Gemmell (SRA) |
H-123W 240 Ns Aerotech (38/240) |
2.6" | June 1998 | Thrust, Staffordshire |
Transolve P2 Altimeter | ||
| 15. | 1550 ft (470m) |
PML Quasar (Kit) |
Hugh Gemmell (SRA) |
H-123W 240 Ns Aerotech (38/240) |
2.6" | July 1998 | Thrust, Staffordshire |
Transolve P2 Altimeter |


