J-CLASS ALTITUDE RECORDS
These are the UKRA altitude records for J-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. | 12,234ft (3729m) |
I am Darticus (Scratch Built) |
Hugh Gemmell (SRA) |
J-570W 1080 Ns 38/1080 Aerotech |
42mm 1.6" |
760g | Single parachute | June 2006 | UKRA 2006, Heckington, Lincolnshire |
G-Wiz LC Deluxe 800 Altimeter / Accelerometer |
| 2. | 11,117ft (3369m) |
Thrust III SSR (Scratch Built) |
Ady Waters (EARS) |
J-330 765 Ns 6-grain Pro-38 Cesaroni |
42mm 1.5" |
Single parachute | 4th Dec, 2005 | EARS, Cambridgeshire |
Perfectflite Alt15K Altimeter Traxa Tracker |
|
| 3. | 10,840ft (3285m) |
Thrust III SSR (Scratch Built) |
Ady Waters (EARS) |
J-360 800 Ns 6-grain Pro-38 Cesaroni |
42mm 1.5" |
Single parachute | July 2005 | LOBster LARF, Heckington, Lincolnshire |
Perfectflite Alt15K Altimeter Traxa Tracker |
|
| 4. | 10,653ft (3228m) |
Thrust III SSR (Scratch Built) |
Ady Waters (EARS) |
J-330 765 Ns 6-grain Pro-38 Cesaroni |
42mm 1.5" |
977g Dry |
Single parachute | August 2006 | LOBster LARF, Heckington, Lincolnshire |
Perfectflite Alt15K Altimeter Traxa Tracker |
| 5. | 10,180ft (3085m) |
Thrust HPR (Scratch Built) |
Ady Waters (EARS) |
J-330 765 Ns 6-grain Pro-38 Cesaroni |
2" 54mm |
977g Dry |
Single parachute | May 2004 | Big EARS, Cambridgeshire |
G-Wiz LC Deluxe 800 Altimeter / Accelerometer Traxa Tracker |
| 6. | 9740 ft (2952m) |
Tiny Pterodactyl (Kit) |
Paul Brooks (SPASE) |
J-360 800 Ns 6-grain Pro-38 Cesaroni |
2" 54mm |
Single parachute | June 2004 | UKRA 2004, Lincolnshire |
Compact R-DAS Altimeter / Accelerometer Traxa Tracker |
|
| 7. | 9650 ft (2924m) |
Wave Rider (Scratch Built) |
Gary Meakin (SPASE) |
J295 1195 Ns Pro-54 |
2" 54mm |
1.36 Kg Dry |
2-Stage Recovery Drogueless 24" Main |
June 2005 | UKRA 2005, Lincolnshire |
Perfectflite MiniaAlt W/D Traxa Tracker |
| 8. | 9475 ft (2871m) |
Troy MKV HPR (Scratch Built) |
Ady Waters (EARS) |
J-360 800 Ns 6-grain Pro-38 Cesaroni |
2" 54mm |
961g Dry |
Single parachute | September 2003 | EARS, Cambridgeshire |
G-Wiz LC Deluxe 800 Altimeter / Accelerometer Traxa Tracker |
| 9. | 9471 ft (2870m) |
Carbonara (Scratch Built) |
Iain Banks | J295 1195 Ns Pro-54 |
2" 54mm |
66oz Dry |
2-Stage Recovery | June 2005 | UKRA 2005, Lincolnshire |
Perfectflite MiniaAlt W/D Traxa Tracker |
| 10. | 9441 ft (2861m) |
Thrust HPR (Scratch Built) |
Ady Waters (EARS) |
J-330 765 Ns 6-grain Pro-38 Cesaroni |
2" 54mm |
977g Dry |
Single parachute | September 2003 | K-Lob, Lincolnshire |
G-Wiz LC Deluxe 800 Altimeter / Accelerometer Traxa Tracker |
| 11. | 9248 ft (2802m) |
Stratosword (Scratch Built) |
Richard Osborne (MARS) |
J-285 649 Ns 5-grain Pro-38 Cesaroni |
1.5" 38mm |
595g Dry |
Single Streamer | February 2006 | Brass BALLS, Lincolnshire |
Perfectflite Alt15K Altimeter Traxa Tracker |
| 12. | 8447 ft (2560m) |
PML Nimbus (Kit) |
Richard Banks | J-415W 1299 Ns (54/1280) |
2" (54mm) |
2 Stage | 9th of May 2000 | Pilling Sands, U.K. |
Black Sky Research ALTACC Altimeter / Accelerometer | |
| 13. | 7904 ft (2395m) |
Acusatory Finger of Suspicion (Modified Kit) |
Darren J Longhorn (NSRG) |
J-415W 1280 Ns (54/1280) |
3" (75mm) |
2 Stage | June 2002 | UKRA 2002, Heckington, Lincolnshire |
Compact R-DAS Flight Computer | |
| 14. | 7643 ft (2316m) |
Grand Slam 2003 (Scratchbuilt) |
Paul Brooks (SPASE) |
J-360 800 Ns (800J360-15A) |
2" (54mm) |
2 Stage, drogueless to 24" main | June 2003 | UKRA 2003, Heckington, Lincolnshire |
Compact R-DAS Flight Computer | |
| 15. | 7497 ft (2272m) |
Kry 2 (Scratchbuilt) |
Cath Bashford (MARS) |
J-135W 1100 Ns (54/1280) |
3" (75mm) |
1 Stage | July 2001 | EARS, Cambridgeshire |
G-Wiz LC | |
| 16. | 7086 ft (2147m) |
PML Thunder 'n Lightning (Modified kit) |
Hugh Gemmell (SRA) |
J-570W 1080 Ns (38/1080) Aerotech |
2.6" (68mm) |
1 Stage | Sept 2001 | Heckington, Lincolnshire |
Transolve P2 Altimeter | |
| 17. | 6944 ft (2104m) |
Ramel (Scratchbuilt) |
Mel Sharpe & Ray Hancox (Black Knights) |
J-210 866 Ns 2-grain Pro-54 Cesaroni |
2.5" 63mm |
18" Drogue, 36" Main Chute | 20th Nov, 2005 | Black Knights, Milson Airstrip |
G-Wiz LC Deluxe 400 Altimeter / Accelerometer | |
| 18. | 6550 ft (1985m) |
NEO (Scratchbuilt) |
Steve Gibbings (SWARM / EARS) |
J-330H 990 Ns (835-172-J) |
2.6" (68mm) |
1 Stage | February 2002 | Folly Gate, North Devon |
Compact R-DAS Flight Computer | |
| 19. | 6525 ft (1977m) |
PML Thunder 'n Lightning (Modified kit) |
Hugh Gemmell (SRA) |
J-350W 698 Ns (38/720) |
2.6" (68mm) |
1 Stage | January 2000 | Heckington, Lincolnshire |
Transolve P2 Altimeter | |
| 20. | 6490 ft (1967m) |
PML Pterodactyl (Kit) |
Paul Brooks (SPASE) |
J-360 800 Ns (800J360-15A) |
4" (101mm) |
1 Stage, 46" Skyangle chute | October 2002 | K-Lob 2002, Heckington, Lincolnshire |
G-Wiz LC Deluxe 400 Altimeter / Accelerometer | |
| 21. | 5869 ft (1779m) |
Jabiru (Scratchbuilt) |
Bob Arnott (EARS) |
J-570W 1080 Ns (38/1080) |
2.6" (68mm) |
1 Stage | June 2002 | UKRA 2002, Heckington, Lincolnshire |
Compact R-DAS Flight Computer | |
| 22. | 5430 ft (1645m) |
PML Endeavour (Modified kit) |
Steve Gibbings (EARS) |
J-415W 1280 Ns (54/1280) |
4" (101mm) |
1 Stage | November 2001 | EARS, Cambridgeshire |
Compact R-DAS Flight Computer | |
| 23. | 5314 ft (1610m) |
PML Sudden Rush (kit) |
Darren Longhorn (NSRG) |
J-275W 852 Ns (54/852) |
3" (75mm) |
2 Stage | August 2001 | IRW, Largs Scotland |
Compact R-DAS Flight Computer | |
| 24. | 5239 ft (1588m) |
PML Nimbus (kit) |
Pete Davy | J-190H 614 Ns (440-110-J) |
2" (54mm) |
2 Stage | December 31st, 2001 | Heckington, Lincolnshire |
Black Sky Research ALTACC Altimeter / Accelerometer | |
| 25. | 5167 ft (1566m) |
GPI (scratchbuilt) |
Marcus Lauder (MARS) |
J-275W 1280 Ns (54/1280) |
3" (75mm) |
1 Stage | July 2001 | EARS, Cambridgeshire |
G-Wiz LC Deluxe | |
| 26. | 5095 ft (1544m) |
PML Nimbus (kit) |
Pete Davy | J-115H 614 Ns (440-076-J) |
2" (54mm) |
2 Stage | January 1st, 2002 | Heckington, Lincolnshire |
Black Sky Research ALTACC Altimeter / Accelerometer | |
| 27. | 5086 ft (1541m) |
Rocketman Praying Mantis (kit) |
Mike Crewe (NSRG) |
J-415W 1299 Ns (54/1280) |
4" (101mm) |
1 Stage | September 2000 | K-Lob, Heckington, Lincolnshire |
R-DAS Altimeter / Accelerometer | |
| 28. | 4685 ft (1420m) |
PML Nimbus (kit) |
Pete Davy | J-250H 614 Ns (440-125-J) |
2" (54mm) |
2 Stage | December 4th, 2001 | Heckington, Lincolnshire |
Black Sky Research ALTACC Altimeter / Accelerometer | |
| 29. | 4642 ft (1407m) |
PML Eclipse (Modified kit) |
Rob O'Brien (WLRS) |
J-415W 1299 Ns (54/1280) |
4" (101mm) |
2 Stage | June 2000 | UKRA 2000, Thrust, Staffordshire |
Black Sky Research ALTACC Altimeter / Accelerometer | |
| 30. | 4495 ft (1362m) |
Kendo Magic (Scratchbuilt) |
Ken Lau (MARS) |
J-350W 698 Ns (38/720) |
2.6" (68mm) |
Single Stage | August 1997 | IRW, Largs, Scotland |
Black Sky Research ALTACC Altimeter / Accelerometer | |
| 31. | 4494 ft (1362m) |
Europa (Scratchbuilt) |
Gary Meakin (SPASE) |
J-210 Pro-54 |
3" (75mm) |
Single Stage | June 2004 | UKRA 2004, Lincolnshire |
Compact R-DAS Altimeter / Accelerometer | |
| 32. | 4322 ft (1310m) |
Raptor (Scratchbuilt) |
Zigi Sinnette Kklynowski | J-460T 867 Ns (54/852) |
3" (75mm) |
Single stage | January 2000 | Heckington, Lincolnshire |
G-Wiz LC Deluxe Altimeter / Accelerometer |
