High Power Rocketry (HPR)

Rockets using motors from H impulse upwards.

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  1. flynfrog
    Sticky

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

    flynfrog, Sep 15, 2013 ... 2 3
    Replies:
    78
    Views:
    38,982
    Paulb06
    Jan 14, 2019 at 2:22 AM
  2. bobkrech
    Sticky

    L3 Certification Documentation Links - No Third Party Comments Please

    bobkrech, Nov 24, 2016 ... 2
    Replies:
    43
    Views:
    13,252
    krislhull
    Jan 3, 2019
  3. bobkrech
    Locked Sticky

    Discussions of Amateur Rocket Motors belong in the Reseach Forum

    bobkrech, Sep 13, 2015
    Replies:
    0
    Views:
    4,891
    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:
    15,476
    Wayco
    Jun 1, 2013
  5. BackSeatBryce

    Availability of CTI Larger Motors

    BackSeatBryce, Jan 16, 2019 at 4:27 PM
    Replies:
    4
    Views:
    175
    tbonerocketeer
    Jan 17, 2019 at 3:42 AM
  6. NateB

    Another Level 1 Attempt for 2019

    NateB, Jan 15, 2019 at 4:05 AM
    Replies:
    16
    Views:
    420
    cerving
    Jan 17, 2019 at 2:44 AM
  7. base890

    Mach1 BT60 Alien Interceptor

    base890, Jan 16, 2019 at 3:04 PM
    Replies:
    26
    Views:
    168
    base890
    Jan 17, 2019 at 12:01 AM
  8. IceBerg

    Side Access into carbon fiber at mach 1.45?

    IceBerg, Jan 16, 2019 at 6:29 PM
    Replies:
    7
    Views:
    151
    DavidMcCann
    Jan 16, 2019 at 11:42 PM
  9. jmuck78

    LOC Hawk 7.5'' Build Thread

    jmuck78, Jan 2, 2019 ... 2
    Replies:
    32
    Views:
    981
    Nytrunner
    Jan 16, 2019 at 11:37 PM
  10. jmuck78

    LOC-VII Build Thread

    jmuck78, Jan 12, 2019 at 7:29 PM ... 2
    Replies:
    47
    Views:
    836
    Pyropetepete
    Jan 16, 2019 at 10:29 PM
  11. Tyler P

    Here we go! LOC IRIS 3" build.

    Tyler P, Oct 10, 2018 ... 2 3
    Replies:
    76
    Views:
    2,585
    Nytrunner
    Jan 16, 2019 at 4:00 PM
  12. David Schwantz

    3" Black Hole

    David Schwantz, Jan 13, 2019 at 2:51 AM
    Replies:
    9
    Views:
    293
    David Schwantz
    Jan 16, 2019 at 3:01 AM
  13. Rail Dawg

    An "R"-powered rocket build

    Rail Dawg, Nov 30, 2018 ... 24 25 26
    Replies:
    779
    Views:
    27,868
    Ez2cDave
    Jan 15, 2019 at 9:49 PM
  14. lowga

    JLCR in 38mm Rockets

    lowga, Nov 6, 2018
    Replies:
    16
    Views:
    699
    smugglervt
    Jan 15, 2019 at 5:27 PM
  15. ECayemberg

    Loc Magnum 3"-29

    ECayemberg, Jan 3, 2019 ... 2
    Replies:
    33
    Views:
    1,034
    Theory
    Jan 15, 2019 at 1:12 PM
  16. bibbster

    First HP Rocket: LOC IV (Major Tom)

    bibbster, Dec 3, 2018
    Replies:
    17
    Views:
    484
    scott johnson
    Jan 15, 2019 at 3:26 AM
  17. IceBerg

    Looking for info on RattWorks AARD

    IceBerg, Jan 14, 2019 at 6:38 PM
    Replies:
    8
    Views:
    174
    Ethan
    Jan 15, 2019 at 1:29 AM
  18. krislhull

    L3 Build: LOC 5.5" Sandhawk

    krislhull, Jan 3, 2019
    Replies:
    22
    Views:
    700
    krislhull
    Jan 15, 2019 at 12:49 AM
  19. KDA

    Howdy, Leviathan Build, and some questions

    KDA, Jan 1, 2019 ... 2
    Replies:
    45
    Views:
    957
    kjkcolorado
    Jan 14, 2019 at 10:44 PM
  20. Rob Adlard

    Getting hold of Cesaroni 75 and 98 hardware and re-loads

    Rob Adlard, Jan 12, 2019 at 1:08 PM
    Replies:
    5
    Views:
    307
    Pyropetepete
    Jan 14, 2019 at 8:20 PM
  21. markfsanderson

    Poll: Thinking ahead for my Level One - which rocket?

    markfsanderson, Jan 11, 2019 at 9:27 PM ... 2
    Replies:
    30
    Views:
    717
    Chad
    Jan 14, 2019 at 8:19 PM
  22. David Schwantz

    Madcow

    David Schwantz, Dec 25, 2018 ... 2
    Replies:
    49
    Views:
    2,182
    slothead
    Jan 14, 2019 at 5:03 PM
  23. Oscar S.

    Getting Started

    Oscar S., Jan 6, 2019
    Replies:
    27
    Views:
    683
    Oscar S.
    Jan 14, 2019 at 2:46 PM
  24. cerving

    Flyaway Rail Guide Durability

    cerving, Oct 25, 2017
    Replies:
    15
    Views:
    1,669
    CoyoteNumber2
    Jan 14, 2019 at 5:16 AM
  25. Precision3D

    Level 1 Build: The Zephyr!

    Precision3D, Jan 9, 2019 ... 2
    Replies:
    39
    Views:
    782
    Precision3D
    Jan 14, 2019 at 4:32 AM
  26. Nathan

    Madcow Cowabunga Mammoth build

    Nathan, May 18, 2018 ... 3 4 5
    Replies:
    137
    Views:
    9,494
    MaxQ
    Jan 14, 2019 at 1:58 AM
  27. Performance nut

    Mach 2 with min diameter

    Performance nut, Jan 12, 2019 at 2:37 PM
    Replies:
    9
    Views:
    377
    manixFan
    Jan 13, 2019 at 10:18 PM
  28. ArthurSull

    Best way to mount rail buttons

    ArthurSull, Jul 9, 2013 ... 2
    Replies:
    46
    Views:
    6,400
    Ez2cDave
    Jan 13, 2019 at 4:06 AM
  29. OKTurbo

    High Powered Flis Praetor? Will the fins stay on?

    OKTurbo, Nov 16, 2018
    Replies:
    7
    Views:
    415
    OKTurbo
    Jan 13, 2019 at 3:05 AM
  30. Pyropetepete

    LOC-VII anyone got one?

    Pyropetepete, Dec 19, 2018 ... 2
    Replies:
    45
    Views:
    1,043
    Ez2cDave
    Jan 12, 2019 at 11:53 PM
  31. rharshberger

    Rich's GLR Nuclear Sledgehammer...continuation of original build thread

    rharshberger, Dec 29, 2018
    Replies:
    29
    Views:
    923
    mcderek
    Jan 12, 2019 at 7:24 PM
  32. Banzai88

    OR/RS file request RW Reaper 3

    Banzai88, May 12, 2017
    Replies:
    4
    Views:
    294
    Banzai88
    Jan 12, 2019 at 12:16 AM
  33. Who_Cares

    How Much Fiberglass Should I Use?

    Who_Cares, Aug 1, 2018 ... 2 3
    Replies:
    61
    Views:
    1,757
    AeroAggie
    Jan 11, 2019 at 11:43 AM
  34. UPscaler

    Wildman Punisher Build

    UPscaler, Jan 7, 2019
    Replies:
    7
    Views:
    417
    UPscaler
    Jan 11, 2019 at 6:34 AM
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