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  1. 13th September 2017
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  2. 8th April 2014
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Threads 1 to 20 of 9935

Forum: High Power Rocketry (HPR)

Rockets using motors from H impulse upwards.

  1. Sticky Thread Sticky: L3 Certification Documentation Links - No Third Party Comments Please

    Started by bobkrech, 24th November 2016 05:45 PM
    2 Pages
    1 2
    • Replies: 34
    • Views: 9,754
    13th May 2018, 04:18 PM Go to last post
  2. Sticky Thread Sticky: Properly bonding composites and what your government doesn't want you to know.

    Started by flynfrog, 15th September 2013 01:52 AM
    3 Pages
    1 2 3
    • Replies: 67
    • Views: 35,645
    19th March 2018, 01:06 PM Go to last post
  3. Sticky Thread Sticky: Discussions of Amateur Rocket Motors belong in the Reseach Forum

    Started by bobkrech, 13th September 2015 05:07 AM
    • Replies: 0
    • Views: 4,381
    13th September 2015, 05:07 AM Go to last post
  4. Sticky Thread Sticky: How To Build A "Stock" 3IN DARKSTAR CJ Step By Step

    Started by Green Jello, 30th May 2013 10:07 PM
    • Replies: 1
    • Views: 14,037
    1st June 2013, 04:52 PM Go to last post
  1. Princeton University attempt at a suborbital space shot?

    Started by RGClark, 21st April 2018 07:43 PM
    2 Pages
    1 2
    • Replies: 39
    • Views: 1,939
    Yesterday, 10:44 PM Go to last post
  2. Madcow Cowabunga Mammoth build

    Started by Nathan, 18th May 2018 01:31 AM
    • Replies: 19
    • Views: 835
    Yesterday, 10:15 PM Go to last post
  3. Unexpectedly high RASAero estimate for a two-stage rocket.

    Started by RGClark, 28th April 2018 03:43 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 140
    • Views: 5,564
    Yesterday, 05:22 PM Go to last post
  4. Madcow Avlanche

    Started by FlyBy01, 19th March 2018 01:04 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 129
    • Views: 5,750
    Yesterday, 04:59 PM Go to last post
  5. Charge Wells

    Started by roytyson, 26th May 2018 07:21 PM
    • Replies: 5
    • Views: 226
    Yesterday, 01:49 PM Go to last post
  6. Darkstar Ultimate

    Started by egp, 21st April 2018 02:32 PM
    2 Pages
    1 2
    • Replies: 35
    • Views: 1,764
    Yesterday, 12:57 PM Go to last post
  7. At what point does model rocketry have to morph into HPR?

    Started by majordude, 18th May 2018 04:31 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 112
    • Views: 3,034
    Yesterday, 02:20 AM Go to last post
  8. Crossloading?

    Started by mperegrinefalcon, 26th May 2018 02:07 AM
    • Replies: 18
    • Views: 433
    Yesterday, 02:19 AM Go to last post
  9. Y.A.B.B. - my biggest build yet

    Started by EXPjawa, 31st January 2018 04:09 AM
    2 Pages
    1 2
    • Replies: 46
    • Views: 2,312
    Yesterday, 01:42 AM Go to last post
  10. Wildman Rocketry Blackhawk 38 build thread

    Started by rockets, 12th May 2018 07:34 PM
    3 Pages
    1 2 3
    • Replies: 64
    • Views: 1,942
    26th May 2018, 05:21 PM Go to last post
  11. MAC 4" Black Fly Build Thread

    Started by Barkley, 7th February 2018 07:02 PM
    2 Pages
    1 2
    • Replies: 50
    • Views: 2,074
    26th May 2018, 03:25 PM Go to last post
  12. From NASA to L3, a short build thread

    Started by AndrewW, 25th May 2018 04:24 AM
    • Replies: 14
    • Views: 433
    26th May 2018, 01:00 PM Go to last post
  13. Madcow Tembo flight video

    Started by MikeyDSlagle, 25th May 2018 08:09 PM
    • Replies: 0
    • Views: 86
    25th May 2018, 08:09 PM Go to last post
  14. Re-birth of PML Callisto

    Started by UPscaler, 18th May 2018 04:02 AM
    • Replies: 3
    • Views: 293
    25th May 2018, 05:02 PM Go to last post
  15. Help on selecting a first two stage high power rocket kit

    Started by Bobfly, 14th July 2017 10:18 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 235
    • Views: 14,630
    25th May 2018, 06:24 AM Go to last post
  16. Polecat Chaos 4 Build! Thread

    Started by jd2cylman, 1st April 2017 03:26 AM
    2 Pages
    1 2
    • Replies: 52
    • Views: 4,960
    25th May 2018, 01:23 AM Go to last post
  17. Level 2 project: "Long Tom" LOC Cruiser -> stretched Tomahawk CM

    Started by Nytrunner, 5th May 2018 07:19 PM
    2 Pages
    1 2
    • Replies: 39
    • Views: 1,277
    25th May 2018, 12:30 AM Go to last post
  18. Estes 1376 NASA Pegasus 300% upscale

    Started by Charles_McG, 23rd April 2018 11:42 PM
    • Replies: 14
    • Views: 456
    24th May 2018, 08:19 PM Go to last post
  19. Sub-Min Contrail L800 Build

    Started by ArchitectOfSeven, 21st May 2018 08:58 AM
    • Replies: 17
    • Views: 543
    24th May 2018, 09:27 AM Go to last post
  20. GPS arming before going to the launch pad?

    Started by Clivus, 21st May 2018 10:58 PM
    • Replies: 11
    • Views: 462
    24th May 2018, 07:26 AM Go to last post

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