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:
    15,407
    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:
    41,530
    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:
    5,252
    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:
    16,772
    Wayco
    Jun 1, 2013
  5. gregvose

    Broken Arrow Build?

    gregvose, Jul 23, 2019 at 4:28 PM
    Replies:
    9
    Views:
    175
    jadebox
    Jul 24, 2019 at 4:20 AM
  6. dwightr

    38MD Carbon Sleeved Paper Build

    dwightr, Jul 7, 2019
    Replies:
    9
    Views:
    362
    dwightr
    Jul 24, 2019 at 3:08 AM
  7. mperegrinefalcon

    L3 Build

    mperegrinefalcon, Apr 16, 2019 ... 2 3
    Replies:
    69
    Views:
    2,737
    Ez2cDave
    Jul 24, 2019 at 3:08 AM
  8. jmuck78

    LOC Hawk 7.5'' Build Thread

    jmuck78, Jan 2, 2019 ... 2 3
    Replies:
    76
    Views:
    3,724
    jmuck78
    Jul 24, 2019 at 1:08 AM
  9. KC3KNM

    Madcow Level-2 Build

    KC3KNM, Jul 19, 2018 ... 2
    Replies:
    31
    Views:
    2,364
    hobie1dog
    Jul 23, 2019 at 11:44 PM
  10. mrwalsh85

    LDRS Project - Marvin the Martian

    mrwalsh85, Jun 7, 2019
    Replies:
    28
    Views:
    1,354
    mrwalsh85
    Jul 23, 2019 at 5:14 PM
  11. Ian A Dalton

    Mach1 3" Daedalus Build Thread

    Ian A Dalton, Jul 7, 2019 ... 2
    Replies:
    31
    Views:
    762
    neil_w
    Jul 23, 2019 at 3:55 PM
  12. Swany

    Motor Ejection Delay Issue

    Swany, Jul 22, 2019 at 6:59 PM
    Replies:
    10
    Views:
    200
    Theory
    Jul 23, 2019 at 12:06 PM
  13. ECayemberg

    Loc Custom 7.675" Saturn V

    ECayemberg, Mar 11, 2019 ... 2 3
    Replies:
    73
    Views:
    5,686
    BABAR
    Jul 23, 2019 at 5:03 AM
  14. David Schwantz

    Aero pack 98mm to 75mm adapter

    David Schwantz, Jul 20, 2019 at 10:42 PM
    Replies:
    6
    Views:
    195
    AHansom
    Jul 23, 2019 at 1:18 AM
  15. richP

    Madcow Terminator L3 Build

    richP, Jul 22, 2019 at 7:50 PM
    Replies:
    6
    Views:
    156
    richP
    Jul 22, 2019 at 9:30 PM
  16. OKTurbo

    High Powered Flis Praetor? Will the fins stay on?

    OKTurbo, Nov 16, 2018 ... 4 5 6
    Replies:
    153
    Views:
    4,408
    Wallace
    Jul 22, 2019 at 5:19 PM
  17. mperegrinefalcon

    website that makes fin guides to print out?

    mperegrinefalcon, Jul 21, 2019 at 2:37 AM
    Replies:
    8
    Views:
    201
    SammyD
    Jul 22, 2019 at 5:06 PM
  18. Bowmy

    Ejection question

    Bowmy, Jul 19, 2019 at 10:04 PM
    Replies:
    2
    Views:
    140
    Theory
    Jul 22, 2019 at 1:50 PM
  19. TSMILLER

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

    TSMILLER, Jun 17, 2019 ... 2
    Replies:
    43
    Views:
    1,116
    TSMILLER
    Jul 22, 2019 at 5:52 AM
  20. dmgrime

    4" Bertha Upscale

    dmgrime, Jul 15, 2019
    Replies:
    5
    Views:
    230
    UnwrittenZero
    Jul 22, 2019 at 4:00 AM
  21. Theory

    Limit of birch ply

    Theory, Jul 20, 2019 at 3:05 PM
    Replies:
    14
    Views:
    360
    Theory
    Jul 21, 2019 at 8:36 PM
  22. Rail Dawg

    An "R"-powered rocket build

    Rail Dawg, Nov 30, 2018 ... 70 71 72
    Replies:
    2,150
    Views:
    97,564
    Ez2cDave
    Jul 21, 2019 at 7:32 PM
  23. Cameron Anderson

    Simming camera shroud in Rocksim

    Cameron Anderson, Jul 11, 2019
    Replies:
    12
    Views:
    227
    Cameron Anderson
    Jul 21, 2019 at 3:53 PM
  24. Tobor

    Madcow AGM-33 Pike

    Tobor, Jul 17, 2019
    Replies:
    16
    Views:
    432
    crossfire
    Jul 21, 2019 at 1:53 PM
  25. Frederocket

    Who Makes Rocketpoxy

    Frederocket, Jul 19, 2019 at 9:50 PM
    Replies:
    3
    Views:
    288
    Wallace
    Jul 21, 2019 at 12:17 PM
  26. Wallace

    Stability with fixed vs freely pivoting forward mounted canards

    Wallace, Jun 20, 2019 ... 2 3
    Replies:
    85
    Views:
    1,669
    Wallace
    Jul 20, 2019 at 8:58 PM
  27. Stephen Henderson

    Questions: Madcow MIM-23B HAWK (FG)

    Stephen Henderson, Jul 16, 2019
    Replies:
    22
    Views:
    513
    Wallace
    Jul 20, 2019 at 2:53 PM
  28. jmmome

    Apollo 11 High Power Rocket Launch Tribute

    jmmome, Jul 19, 2019 at 11:05 AM
    Replies:
    2
    Views:
    168
    aerostadt
    Jul 19, 2019 at 7:18 PM
  29. Mugs914

    LOC Forte paint job...

    Mugs914, May 26, 2019
    Replies:
    18
    Views:
    592
    Mugs914
    Jul 19, 2019 at 2:24 PM
  30. 8thPaladin

    8" AGM-33 Pike Question

    8thPaladin, Jul 18, 2019 at 4:33 AM
    Replies:
    2
    Views:
    208
    8thPaladin
    Jul 19, 2019 at 5:39 AM
  31. spigalau

    Build : MAC Performance - 3" Scorpion XL on 38mm

    spigalau, Jun 22, 2019
    Replies:
    17
    Views:
    665
    spigalau
    Jul 19, 2019 at 12:51 AM
  32. John Feller

    About Speed Limits of Rocket

    John Feller, Jul 17, 2019
    Replies:
    6
    Views:
    329
    OverTheTop
    Jul 18, 2019 at 4:00 AM
  33. Bat-mite

    My quest for an O motor launch.

    Bat-mite, Apr 17, 2019 ... 2 3 4
    Replies:
    100
    Views:
    4,859
    MClark
    Jul 17, 2019
  34. Theory

    Build Thread - Loc Caliber ISP-38

    Theory, Apr 18, 2019 ... 2
    Replies:
    45
    Views:
    1,308
    Theory
    Jul 16, 2019
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