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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: 9,710
    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: 35,621
    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: 4,374
    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: 14,031
    1st June 2013, 04:52 PM Go to last post
  1. Y.A.B.B. - my biggest build yet

    Started by EXPjawa, 31st January 2018 04:09 AM
    2 Pages
    1 2
    • Replies: 45
    • Views: 2,261
    Yesterday, 11:58 PM Go to last post
  2. Crossloading?

    Started by mperegrinefalcon, Yesterday 02:07 AM
    • Replies: 17
    • Views: 315
    Yesterday, 11:58 PM Go to last post
  3. Madcow Avlanche

    Started by FlyBy01, 19th March 2018 01:04 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 128
    • Views: 5,626
    Yesterday, 11:53 PM Go to last post
  4. Charge Wells

    Started by roytyson, Yesterday 07:21 PM
    • Replies: 3
    • Views: 80
    Yesterday, 08:53 PM Go to last post
  5. Wildman Rocketry Blackhawk 38 build thread

    Started by rockets, 12th May 2018 07:34 PM
    3 Pages
    1 2 3
    • Replies: 64
    • Views: 1,909
    Yesterday, 05:21 PM Go to last post
  6. MAC 4" Black Fly Build Thread

    Started by Barkley, 7th February 2018 07:02 PM
    2 Pages
    1 2
    • Replies: 50
    • Views: 2,053
    Yesterday, 03:25 PM Go to last post
  7. From NASA to L3, a short build thread

    Started by AndrewW, 25th May 2018 04:24 AM
    • Replies: 14
    • Views: 381
    Yesterday, 01:00 PM Go to last post
  8. 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: 136
    • Views: 5,364
    Yesterday, 10:41 AM Go to last post
  9. 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: 111
    • Views: 2,872
    Yesterday, 05:09 AM Go to last post
  10. Madcow Tembo flight video

    Started by MikeyDSlagle, 25th May 2018 08:09 PM
    • Replies: 0
    • Views: 75
    25th May 2018, 08:09 PM Go to last post
  11. Re-birth of PML Callisto

    Started by UPscaler, 18th May 2018 04:02 AM
    • Replies: 3
    • Views: 280
    25th May 2018, 05:02 PM Go to last post
  12. Madcow Cowabunga Mammoth build

    Started by Nathan, 18th May 2018 01:31 AM
    • Replies: 15
    • Views: 765
    25th May 2018, 02:53 PM Go to last post
  13. 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: 14,577
    25th May 2018, 06:24 AM Go to last post
  14. Polecat Chaos 4 Build! Thread

    Started by jd2cylman, 1st April 2017 03:26 AM
    2 Pages
    1 2
    • Replies: 52
    • Views: 4,947
    25th May 2018, 01:23 AM Go to last post
  15. 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: 1,257
    25th May 2018, 12:30 AM Go to last post
  16. Estes 1376 NASA Pegasus 300% upscale

    Started by Charles_McG, 23rd April 2018 11:42 PM
    • Replies: 14
    • Views: 443
    24th May 2018, 08:19 PM Go to last post
  17. Sub-Min Contrail L800 Build

    Started by ArchitectOfSeven, 21st May 2018 08:58 AM
    • Replies: 17
    • Views: 533
    24th May 2018, 09:27 AM Go to last post
  18. GPS arming before going to the launch pad?

    Started by Clivus, 21st May 2018 10:58 PM
    • Replies: 11
    • Views: 453
    24th May 2018, 07:26 AM Go to last post
  19. L3 4" Frenzy

    Started by mperegrinefalcon, 22nd April 2018 04:12 PM
    • Replies: 14
    • Views: 662
    24th May 2018, 06:43 AM Go to last post
    • Replies: 2
    • Views: 152
    23rd May 2018, 07:34 PM Go to last post

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