High Power Rocketry (HPR)

Rockets using motors from H impulse upwards.

Help Support The Rocketry Forum by donating:

Page 1 of 363
Sort By:
Title Start Date
Replies Views
Last Message ↓
  1. bobkrech
    Sticky

    L3 Certification Documentation Links - No Third Party Comments Please

    bobkrech, Nov 24, 2016 ... 2
    Replies:
    48
    Views:
    21,230
    curtisheisey
    Feb 5, 2020
  2. flynfrog
    Sticky

    Properly bonding composites and what your government doesn't want you to know.

    flynfrog, Sep 15, 2013 ... 2 3
    Replies:
    88
    Views:
    45,046
    slothead
    Mar 10, 2019
  3. bobkrech
    Locked Sticky

    Discussions of Amateur Rocket Motors belong in the Reseach Forum

    bobkrech, Sep 13, 2015
    Replies:
    0
    Views:
    5,923
    bobkrech
    Sep 13, 2015
  4. Green Jello
    Sticky

    How To Build A "Stock" 3IN DARKSTAR CJ Step By Step

    Green Jello, May 30, 2013
    Replies:
    1
    Views:
    19,039
    Wayco
    Jun 1, 2013
  5. jmmome

    Marvin Martian Jr. Build

    jmmome, Dec 21, 2019
    Replies:
    12
    Views:
    841
    Funkworks
    Apr 6, 2020 at 12:18 AM
  6. Chuck Rogers

    New Version of the Free RASAero II Software Released

    Chuck Rogers, Aug 10, 2016
    Replies:
    24
    Views:
    1,812
    H_Rocket
    Apr 5, 2020 at 10:47 PM
  7. Tobor

    Madcow AGM-33 Pike

    Tobor, Jul 17, 2019 ... 2 3
    Replies:
    87
    Views:
    5,693
    timbucktoo
    Apr 5, 2020 at 5:50 PM
  8. JoeTekcor

    LOC Mega Magg build thread

    JoeTekcor, Mar 21, 2020 ... 2
    Replies:
    37
    Views:
    934
    JoeTekcor
    Apr 5, 2020 at 4:39 PM
  9. Off Grid Gecko

    L1 Scratch Build - First Draft

    Off Grid Gecko, Apr 4, 2020 at 5:34 PM
    Replies:
    4
    Views:
    64
    Speaknoevil
    Apr 5, 2020 at 6:16 AM
  10. g.pitts

    4" Electronics Bay Design for my Level 2 Cert Flight

    g.pitts, Jan 7, 2020 ... 2
    Replies:
    59
    Views:
    2,380
    g.pitts
    Apr 5, 2020 at 4:03 AM
  11. Joe Bruce

    Advice needed on LOC Deployer ground testing

    Joe Bruce, Apr 4, 2020 at 1:18 AM
    Replies:
    26
    Views:
    195
    Joe Bruce
    Apr 4, 2020 at 10:25 PM
  12. Mrgbus

    Have a chance to buy Real Flight Systems Basestation 2 and Accessories

    Mrgbus, Apr 4, 2020 at 9:40 PM
    Replies:
    3
    Views:
    94
    mikec
    Apr 4, 2020 at 10:15 PM
  13. Andy Greene

    L-2 Build Thread / MadCow Rogue

    Andy Greene, Mar 22, 2019 ... 2
    Replies:
    40
    Views:
    2,262
    Andy Greene
    Apr 4, 2020 at 7:22 PM
  14. Alan R

    Apogee Zephyr L1 Build

    Alan R, Mar 21, 2020 ... 2 3
    Replies:
    69
    Views:
    1,296
    Alan R
    Apr 4, 2020 at 2:20 PM
  15. wsume99

    3" Punisher - L2 build

    wsume99, Apr 3, 2020 at 5:49 PM
    Replies:
    5
    Views:
    110
    crossfire
    Apr 3, 2020 at 11:12 PM
  16. downhill_D

    Caliber ISP - Level 2 build

    downhill_D, Feb 2, 2019 ... 2
    Replies:
    55
    Views:
    2,821
    downhill_D
    Apr 3, 2020 at 5:02 PM
  17. jmmome

    Nose Cone Suggestion for 6" Dia. Honest John?

    jmmome, Mar 30, 2020
    Replies:
    9
    Views:
    320
    jmmome
    Apr 3, 2020 at 3:32 AM
  18. Flyfalcons

    LOC Precision 5.5" Patriot Missile video build

    Flyfalcons, Feb 19, 2020
    Replies:
    13
    Views:
    624
    GaryT
    Apr 3, 2020 at 1:43 AM
  19. Glasspack

    Glasspacks' LVL II Build

    Glasspack, Feb 9, 2020 ... 2
    Replies:
    34
    Views:
    1,427
    Glasspack
    Apr 2, 2020 at 10:26 PM
  20. Josh Nyegard

    Madcow 4" Phoenix Missile Fixed Nose Weight ?

    Josh Nyegard, Apr 1, 2020 at 8:26 AM
    Replies:
    11
    Views:
    234
    Nytrunner
    Apr 2, 2020 at 4:02 PM
  21. Off Grid Gecko

    L1 attempt motor, little question

    Off Grid Gecko, Mar 26, 2020
    Replies:
    7
    Views:
    324
    Jon Dubrick
    Apr 2, 2020 at 6:10 AM
  22. Suborbital Maniac

    AGM Pike Decals ?

    Suborbital Maniac, Apr 1, 2020 at 12:44 AM
    Replies:
    0
    Views:
    74
    Suborbital Maniac
    Apr 1, 2020 at 12:44 AM
  23. ChicagoDave

    Help me recover from one of my more bone-headed things...

    ChicagoDave, Mar 30, 2020
    Replies:
    17
    Views:
    439
    ChicagoDave
    Mar 31, 2020 at 5:52 PM
  24. Jarhead

    LOC? Kit.

    Jarhead, Mar 21, 2020
    Replies:
    11
    Views:
    619
    Jarhead
    Mar 31, 2020 at 12:59 PM
  25. Skylark4

    Help with unlabled RMS Reload

    Skylark4, Mar 29, 2020
    Replies:
    16
    Views:
    397
    Voyager1
    Mar 31, 2020 at 8:22 AM
  26. downhill_D

    Hyperloc 835 Build (updated kit) - Level 2 kit

    downhill_D, Jan 7, 2020 ... 2
    Replies:
    56
    Views:
    2,542
    downhill_D
    Mar 31, 2020 at 1:30 AM
  27. Jon Dubrick

    Carbon fiber tubes

    Jon Dubrick, Mar 30, 2020
    Replies:
    4
    Views:
    220
    rfjustin
    Mar 30, 2020
  28. David Schwantz

    Winter builds

    David Schwantz, Mar 29, 2020
    Replies:
    12
    Views:
    225
    GalantVR41062
    Mar 30, 2020
  29. wsume99

    Aeropack retainer on thin walled fiberglass tubing

    wsume99, Mar 28, 2020
    Replies:
    8
    Views:
    256
    wsume99
    Mar 29, 2020
  30. GaryT

    Fiber Glassing The Inside Of Your Cardboard Av-Bay

    GaryT, Mar 29, 2020
    Replies:
    1
    Views:
    165
    Speaknoevil
    Mar 29, 2020
  31. slohand

    Help with a CATO

    slohand, Mar 16, 2020 ... 2
    Replies:
    34
    Views:
    1,417
    slohand
    Mar 28, 2020
  32. Ez2cDave

    DYNACOM KIT INSTRUCTIONS & MORE !

    Ez2cDave, Jan 28, 2019 ... 2
    Replies:
    49
    Views:
    2,650
    Rocketjunkie
    Mar 28, 2020
  33. tollyman

    Night Launch rocket - Aft Access

    tollyman, Mar 28, 2020
    Replies:
    10
    Views:
    238
    58pan
    Mar 28, 2020
  34. ECayemberg

    Loc Esoteric & Top Gunn: Dinosaur builds!

    ECayemberg, Feb 15, 2016 ... 6 7 8
    Replies:
    212
    Views:
    24,492
    berlinetta
    Mar 28, 2020
Showing threads 1 to 30 of 10,883

Thread Display Options

Loading...
Page 1 of 363
Group Builder