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:
    14,620
    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:
    40,881
    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:
    5,129
    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:
    16,311
    Wayco
    Jun 1, 2013
  5. Glasspack

    Level II Certification design & build

    Glasspack, May 20, 2019 at 5:08 AM
    Replies:
    1
    Views:
    34
    Glasspack
    May 20, 2019 at 5:12 AM
  6. Tobor

    Mach-1 RIM-66 Std (2.6 ")

    Tobor, Apr 30, 2019
    Replies:
    10
    Views:
    437
    Tobor
    May 20, 2019 at 4:15 AM
  7. TimothyG

    Fin Span defenition

    TimothyG, May 20, 2019 at 12:59 AM
    Replies:
    4
    Views:
    78
    TimothyG
    May 20, 2019 at 4:13 AM
  8. Henry Hird

    Help with liquid rocket engine

    Henry Hird, May 18, 2019 at 9:51 PM
    Replies:
    8
    Views:
    233
    Andrew_ASC
    May 20, 2019 at 3:15 AM
  9. Igotnothing

    Madcow Humpday Demon Sale

    Igotnothing, May 20, 2019 at 3:01 AM
    Replies:
    0
    Views:
    58
    Igotnothing
    May 20, 2019 at 3:01 AM
  10. yucel

    making rocket motors

    yucel, May 19, 2019 at 9:57 AM
    Replies:
    8
    Views:
    222
    G_T
    May 20, 2019 at 12:32 AM
  11. Ben Martin

    "Starship" - L3 Build Thread

    Ben Martin, Mar 4, 2019 ... 3 4 5
    Replies:
    123
    Views:
    4,571
    Ben Martin
    May 19, 2019 at 11:13 PM
  12. JoeTekcor

    Build Thread - Loc Nuke Pro Maxx

    JoeTekcor, May 1, 2019
    Replies:
    7
    Views:
    285
    JoeTekcor
    May 19, 2019 at 9:45 PM
  13. Rob702Martinez

    Advice needed, Minimum Diameter, Conformal Rail guides or Fly away rail guides?

    Rob702Martinez, May 17, 2019 at 6:39 PM
    Replies:
    14
    Views:
    317
    Binder Design
    May 19, 2019 at 4:56 PM
  14. jmmome

    Source for Plywood Custom Redstone Fins- 6" Dia Rocket?

    jmmome, May 17, 2019 at 11:02 PM
    Replies:
    7
    Views:
    152
    jmmome
    May 19, 2019 at 1:55 PM
  15. Viperfixr

    Kudos to LOC & BuyRocketMotors.com

    Viperfixr, May 18, 2019 at 11:13 PM
    Replies:
    1
    Views:
    110
    Theory
    May 19, 2019 at 12:23 AM
  16. Rail Dawg

    An "R"-powered rocket build

    Rail Dawg, Nov 30, 2018 ... 54 55 56
    Replies:
    1,672
    Views:
    70,353
    Ez2cDave
    May 18, 2019 at 7:48 PM
  17. Theory

    Build Thread - Loc Caliber ISP-38

    Theory, Apr 18, 2019
    Replies:
    14
    Views:
    421
    Theory
    May 18, 2019 at 3:09 PM
  18. David Schwantz

    A big thanks to LOC

    David Schwantz, May 12, 2019
    Replies:
    5
    Views:
    357
    David Schwantz
    May 18, 2019 at 12:08 PM
  19. troj

    Some old (new!) motor hardware....

    troj, May 13, 2019
    Replies:
    28
    Views:
    813
    manixFan
    May 18, 2019 at 2:13 AM
  20. Thundercloud

    Wanted - Ultimate Wildman rocksim/OR file

    Thundercloud, May 17, 2019 at 10:12 PM
    Replies:
    2
    Views:
    51
    Thundercloud
    May 17, 2019 at 11:28 PM
  21. Mike Haberer

    L1 Build Question

    Mike Haberer, May 17, 2019 at 3:48 PM
    Replies:
    4
    Views:
    140
    David Schwantz
    May 17, 2019 at 6:26 PM
  22. OKTurbo

    High Powered Flis Praetor? Will the fins stay on?

    OKTurbo, Nov 16, 2018 ... 2 3
    Replies:
    73
    Views:
    2,406
    Wallace
    May 17, 2019 at 3:35 AM
  23. TJohn

    Epoxy problems

    TJohn, May 12, 2019
    Replies:
    19
    Views:
    606
    Rail Dawg
    May 16, 2019 at 8:40 PM
  24. spigalau

    38mm Kit opinion need for dual deployment

    spigalau, May 13, 2019
    Replies:
    10
    Views:
    381
    David Schwantz
    May 16, 2019 at 5:50 PM
  25. dhbarr

    Madcow Molded Nike Smoke

    dhbarr, May 4, 2019
    Replies:
    5
    Views:
    453
    dhbarr
    May 15, 2019 at 9:18 PM
  26. markfsanderson

    Successful NAR Level One Flight Completed

    markfsanderson, May 12, 2019
    Replies:
    14
    Views:
    260
    ouisconsin rocket
    May 15, 2019 at 6:40 PM
  27. jcantalupo

    CTI early ejection charge?

    jcantalupo, May 14, 2019 at 5:48 AM
    Replies:
    14
    Views:
    350
    Steve Shannon
    May 15, 2019 at 4:46 PM
  28. Ez2cDave

    L3 Certification - NAR vs. TRIPOLI . . . What's Required for Each ?

    Ez2cDave, May 13, 2019 ... 2 3
    Replies:
    67
    Views:
    1,500
    David Schwantz
    May 15, 2019 at 12:17 PM
  29. tfish

    98mm min dia high altitude deployment

    tfish, May 6, 2019 ... 2
    Replies:
    32
    Views:
    1,153
    plugger
    May 15, 2019 at 5:18 AM
  30. Magin

    Reloadable motor

    Magin, May 15, 2019 at 2:32 AM
    Replies:
    3
    Views:
    178
    dhbarr
    May 15, 2019 at 3:28 AM
  31. HyperSonic

    CF Fin attachment

    HyperSonic, Jan 11, 2018 ... 2 3 4
    Replies:
    98
    Views:
    6,516
    OverTheTop
    May 15, 2019 at 1:25 AM
  32. ECayemberg

    Loc Goblin Thread

    ECayemberg, Mar 13, 2018 ... 3 4 5
    Replies:
    139
    Views:
    10,060
    BayouRat
    May 14, 2019 at 3:25 PM
  33. farsidius

    Brant's Brant - My TRA L3 build of the Rocketry Warehouse BBII

    farsidius, Jan 17, 2017 ... 2 3 4
    Replies:
    95
    Views:
    11,519
    Scramjet
    May 14, 2019 at 7:59 AM
  34. jahall4

    Your experience certifying L3 with a 4” (or smaller) fiberglass rocket…

    jahall4, Apr 6, 2019 ... 2 3
    Replies:
    64
    Views:
    2,206
    James Darnell
    May 13, 2019
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