High Power Rocketry (HPR)

Rockets using motors from H impulse upwards.

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  1. bobkrech
    Sticky

    L3 Certification Documentation Links - No Third Party Comments Please

    bobkrech, Nov 24, 2016 ... 2
    Replies:
    44
    Views:
    16,381
    Bill Hanson
    May 12, 2019
  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:
    42,350
    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:
    5,418
    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:
    17,284
    Wayco
    Jun 1, 2013
  5. Cameron Anderson

    Pyrotechnic booster separation

    Cameron Anderson, Sep 16, 2019 at 7:10 PM
    Replies:
    19
    Views:
    292
    Cameron Anderson
    Sep 17, 2019 at 4:16 PM
  6. Nick Hutton

    SBR Fusion Level 2 Build

    Nick Hutton, Sep 4, 2019
    Replies:
    20
    Views:
    499
    Nytrunner
    Sep 17, 2019 at 4:09 PM
  7. Steven88

    Plugged fore closure

    Steven88, Sep 17, 2019 at 4:20 AM
    Replies:
    8
    Views:
    154
    Steve Shannon
    Sep 17, 2019 at 3:08 PM
  8. SteveNeill

    Another Zephyr Build

    SteveNeill, Aug 30, 2019
    Replies:
    15
    Views:
    465
    SteveNeill
    Sep 17, 2019 at 2:54 PM
  9. Steven88

    Loc Precision BIG NUKE 3E Kit

    Steven88, Sep 9, 2019 ... 2
    Replies:
    49
    Views:
    1,079
    Steven88
    Sep 17, 2019 at 2:32 PM
  10. wij

    4" Big Daddy

    wij, Sep 7, 2019
    Replies:
    23
    Views:
    851
    jbr
    Sep 17, 2019 at 1:42 PM
  11. JoeTekcor

    Patriot Redux build thread

    JoeTekcor, Sep 10, 2019
    Replies:
    6
    Views:
    166
    JoeTekcor
    Sep 17, 2019 at 1:14 PM
  12. ColumbiaNX01

    Wildman's MACH 2 rocket

    ColumbiaNX01, Jan 18, 2018 ... 3 4 5
    Replies:
    124
    Views:
    12,307
    Rob702Martinez
    Sep 17, 2019 at 6:58 AM
  13. UPscaler

    Wildman Punisher Build

    UPscaler, Jan 7, 2019 ... 2
    Replies:
    43
    Views:
    3,053
    UPscaler
    Sep 17, 2019 at 5:37 AM
  14. micro

    Scale Staged Black Brant XI 1:7.5

    micro, Sep 16, 2019 at 4:13 AM
    Replies:
    3
    Views:
    189
    Nytrunner
    Sep 16, 2019 at 9:12 PM
  15. Dustin Lobner

    Scratch built L3 - maybe this turns into a build log?

    Dustin Lobner, Sep 12, 2019 at 7:04 PM
    Replies:
    23
    Views:
    769
    Dustin Lobner
    Sep 16, 2019 at 6:29 PM
  16. ActingLikeAKid

    Excellent launch day - Video!

    ActingLikeAKid, Sep 16, 2019 at 3:06 PM
    Replies:
    4
    Views:
    115
    ActingLikeAKid
    Sep 16, 2019 at 3:40 PM
  17. Andrew_ASC

    Any word from OneBadHawk lately???

    Andrew_ASC, Sep 8, 2019 ... 2
    Replies:
    32
    Views:
    1,583
    Onebadhawk
    Sep 16, 2019 at 3:39 PM
  18. DeeRoc29

    Laser Loc 3.1 flight report (warning: graphic content)

    DeeRoc29, Sep 16, 2019 at 12:23 AM
    Replies:
    0
    Views:
    168
    DeeRoc29
    Sep 16, 2019 at 12:23 AM
  19. Rail Dawg

    An "R"-powered rocket build

    Rail Dawg, Nov 30, 2018 ... 79 80 81
    Replies:
    2,402
    Views:
    118,939
    Ez2cDave
    Sep 15, 2019 at 11:03 PM
  20. Chris_H

    Another Big Dumb Rocket

    Chris_H, Apr 30, 2019 ... 2
    Replies:
    44
    Views:
    1,989
    Chris_H
    Sep 15, 2019 at 1:21 AM
  21. Nathan

    Rocket Wagon

    Nathan, Sep 6, 2019
    Replies:
    12
    Views:
    679
    John Kemker
    Sep 14, 2019 at 9:11 PM
  22. Tobor

    Madcow AGM-33 Pike

    Tobor, Jul 17, 2019 ... 2
    Replies:
    49
    Views:
    2,268
    Tobor
    Sep 14, 2019 at 7:26 PM
  23. mrwalsh85

    Making new tail cone for Aeropack Retainer

    mrwalsh85, Sep 14, 2019 at 1:29 AM
    Replies:
    2
    Views:
    204
    mrwalsh85
    Sep 14, 2019 at 4:28 PM
  24. swatkat

    Madcow FG 2.6 Tomach Open Rocket Files, Single Deploy/Dual Deploy

    swatkat, Nov 30, 2018
    Replies:
    2
    Views:
    319
    swatkat
    Sep 14, 2019 at 3:36 PM
  25. richP

    Madcow Terminator L3 Build

    richP, Jul 22, 2019
    Replies:
    28
    Views:
    1,937
    richP
    Sep 13, 2019 at 10:28 PM
  26. Charlie1964

    LOC Precision 4" Iris

    Charlie1964, Sep 1, 2019
    Replies:
    16
    Views:
    662
    LOC
    Sep 13, 2019 at 1:48 PM
  27. Adrian A

    Violent Agreement: Two Stage 38mm to 33,290 feet

    Adrian A, Sep 6, 2019
    Replies:
    27
    Views:
    1,509
    Adrian A
    Sep 12, 2019 at 9:23 PM
  28. TSMILLER

    First High power build with PBL AMRAAM4, converting to CPR3000.

    TSMILLER, Jun 17, 2019 ... 2
    Replies:
    49
    Views:
    1,722
    TSMILLER
    Sep 12, 2019 at 4:26 AM
  29. Steven88

    Repair or retire?

    Steven88, Sep 4, 2019
    Replies:
    16
    Views:
    658
    Steven88
    Sep 12, 2019 at 4:25 AM
  30. Andy Greene

    Open Rocket ??

    Andy Greene, Sep 11, 2019 at 1:47 AM
    Replies:
    1
    Views:
    180
    rocketgeek101
    Sep 11, 2019 at 4:08 AM
  31. mperegrinefalcon

    Small Bulge in rocket motor casing

    mperegrinefalcon, Jan 1, 2018 ... 2 3
    Replies:
    79
    Views:
    5,164
    mperegrinefalcon
    Sep 10, 2019
  32. Adrian A

    Chute Cannon for 38mm (re)build thread

    Adrian A, Sep 10, 2019
    Replies:
    0
    Views:
    220
    Adrian A
    Sep 10, 2019
  33. DAllen

    For all you disc golfers out there

    DAllen, Sep 10, 2019
    Replies:
    2
    Views:
    163
    mcderek
    Sep 10, 2019
  34. David Schwantz

    2 stage

    David Schwantz, Feb 2, 2019
    Replies:
    13
    Views:
    764
    Cameron Anderson
    Sep 9, 2019
Showing threads 1 to 30 of 10,627

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