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:
    39
    Views:
    10,668
    Frozenferrari
    Jul 14, 2018
  2. flynfrog
    Sticky

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

    flynfrog, Sep 15, 2013 ... 2 3 4
    Replies:
    67
    Views:
    36,466
    FlyBy01
    Mar 19, 2018
  3. bobkrech
    Locked Sticky

    Discussions of Amateur Rocket Motors belong in the Reseach Forum

    bobkrech, Sep 13, 2015
    Replies:
    0
    Views:
    4,523
    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:
    14,367
    Wayco
    Jun 1, 2013
  5. VonRecktofen

    MadCow 3" Sport X L1 Cert Build

    VonRecktofen, Jul 18, 2018 at 2:15 AM ... 2
    Replies:
    38
    Views:
    593
    VonRecktofen
    Jul 22, 2018 at 3:02 AM
  6. pendrin2020

    Attaching to the motor mount.

    pendrin2020, Jul 21, 2018 at 10:19 PM
    Replies:
    9
    Views:
    124
    blackjack2564
    Jul 22, 2018 at 2:53 AM
  7. Nytrunner

    Level 2 project: "Long Tom" LOC Cruiser -> stretched Tomahawk CM

    Nytrunner, May 5, 2018 ... 3 4 5
    Replies:
    88
    Views:
    3,231
    neil_w
    Jul 22, 2018 at 2:51 AM
  8. Wallace

    LOC PK-66 Ultimate

    Wallace, Jun 23, 2018 ... 2
    Replies:
    32
    Views:
    970
    Wallace
    Jul 22, 2018 at 2:28 AM
  9. Ccolvin968

    Creative Payloads for High Power Rockets

    Ccolvin968, Jul 15, 2018
    Replies:
    19
    Views:
    602
    SteveThatcher
    Jul 22, 2018 at 12:27 AM
  10. YodaMcFly

    My Level 1 Flight - Lessons Learned

    YodaMcFly, Jul 5, 2018 ... 2
    Replies:
    37
    Views:
    1,253
    8thPaladin
    Jul 21, 2018 at 7:05 PM
  11. Nathan

    Madcow Cowabunga Mammoth build

    Nathan, May 18, 2018 ... 2 3 4
    Replies:
    74
    Views:
    4,212
    Nathan
    Jul 21, 2018 at 2:55 PM
  12. KC3KNM

    Madcow Level-2 Build

    KC3KNM, Jul 19, 2018 at 12:12 AM
    Replies:
    9
    Views:
    411
    KC3KNM
    Jul 20, 2018 at 6:47 PM
  13. ColumbiaNX01

    Wanted Full Scale HV Arcas Rocksim????

    ColumbiaNX01, Jul 20, 2018 at 4:13 AM
    Replies:
    2
    Views:
    116
    ColumbiaNX01
    Jul 20, 2018 at 1:15 PM
  14. A-N-D-R-E-W

    Wildman "Mach 2" Electronics Bay

    A-N-D-R-E-W, Jun 25, 2018
    Replies:
    19
    Views:
    1,014
    blackjack2564
    Jul 20, 2018 at 5:17 AM
  15. krislhull

    To fiberglass or not?

    krislhull, Jun 22, 2018 ... 2
    Replies:
    22
    Views:
    694
    blackjack2564
    Jul 20, 2018 at 5:10 AM
  16. Said Emirmustafaoglu

    Very New Scratch High Power Build With Arduino Mega

    Said Emirmustafaoglu, Jul 19, 2018 at 12:24 AM
    Replies:
    12
    Views:
    257
    MikeyDSlagle
    Jul 19, 2018 at 11:34 PM
  17. cruck1000

    L2 Cert Flight- CTI J760 CATO

    cruck1000, Jul 17, 2018 at 8:14 PM ... 2
    Replies:
    36
    Views:
    850
    blackjack2564
    Jul 19, 2018 at 2:26 AM
  18. Wayco

    AMW Der Red Max

    Wayco, Jul 16, 2018 at 10:15 PM
    Replies:
    5
    Views:
    364
    Wayco
    Jul 19, 2018 at 2:18 AM
  19. VonRecktofen

    AMW ProX MDRM Clone Kit

    VonRecktofen, Jul 18, 2018 at 1:02 AM
    Replies:
    5
    Views:
    205
    VonRecktofen
    Jul 19, 2018 at 12:28 AM
  20. Ccolvin968

    54mm MD Falcon 9 Build Thread (pics included)

    Ccolvin968, Jul 17, 2018 at 5:06 AM
    Replies:
    1
    Views:
    165
    Ccolvin968
    Jul 18, 2018 at 5:11 AM
  21. DeeRoc29

    THOY

    DeeRoc29, Jul 26, 2017 ... 2
    Replies:
    25
    Views:
    1,700
    burkefj
    Jul 17, 2018 at 5:08 AM
  22. Kip_Daugirdas

    Workbench 2.0, Two-Stage 100K+ Build Thread and More

    Kip_Daugirdas, Mar 22, 2016 ... 7 8 9
    Replies:
    163
    Views:
    22,728
    Tim51
    Jul 16, 2018 at 5:54 AM
  23. Wallace

    Interesting paper on e-match safety

    Wallace, Jul 14, 2018 ... 2
    Replies:
    20
    Views:
    616
    OverTheTop
    Jul 15, 2018
  24. roytyson

    L2 with Loc 4" Goblin

    roytyson, Jul 5, 2018
    Replies:
    9
    Views:
    352
    crossfire
    Jul 15, 2018
  25. slothead

    Level 2 cert prerequisites

    slothead, Jul 6, 2018
    Replies:
    13
    Views:
    551
    Handeman
    Jul 14, 2018
  26. ECayemberg

    Loc Goblin Thread

    ECayemberg, Mar 13, 2018 ... 2 3 4
    Replies:
    69
    Views:
    4,755
    wighty44
    Jul 14, 2018
  27. ChrisAttebery

    The City Slicker: was The Space Cowboy rides again

    ChrisAttebery, Feb 13, 2015 ... 2 3
    Replies:
    59
    Views:
    11,137
    ChrisAttebery
    Jul 14, 2018
  28. rAiN_Twist

    Mid flight shimmy

    rAiN_Twist, Jul 9, 2018
    Replies:
    5
    Views:
    265
    Rex R
    Jul 14, 2018
  29. ChrisAttebery

    Insanity Plea: A sub minimum diameter M2245 project.

    ChrisAttebery, Dec 20, 2017 ... 2 3 4
    Replies:
    71
    Views:
    6,596
    mpitfield
    Jul 14, 2018
  30. jahall4

    Where can I purchase an ACME 38mm fincan? Alternatives to the ACME?

    jahall4, Jul 11, 2018 ... 2
    Replies:
    22
    Views:
    642
    jahall4
    Jul 13, 2018
  31. Tim51

    Please help me identify these rail buttons..

    Tim51, Jul 11, 2018 ... 2
    Replies:
    22
    Views:
    575
    Tim51
    Jul 13, 2018
  32. dhkaiser

    Dog Barf in larger rockets

    dhkaiser, Jul 10, 2018
    Replies:
    18
    Views:
    496
    dshmel
    Jul 12, 2018
  33. downhill_D

    Back in the Hobby! Battery requirements for launching HPR rockets...

    downhill_D, Jul 8, 2018
    Replies:
    17
    Views:
    357
    falingtrea
    Jul 12, 2018
  34. G2Rockets

    Ultimate Drago Build

    G2Rockets, Dec 27, 2017
    Replies:
    3
    Views:
    447
    G2Rockets
    Jul 12, 2018
Showing threads 1 to 30 of 10,007

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