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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 9934

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: 9,698
    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: 35,616
    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: 4,372
    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: 14,025
    1st June 2013, 04:52 PM Go to last post
  1. 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: 2,736
    Today, 05:09 AM Go to last post
  2. Crossloading?

    Started by mperegrinefalcon, Today 02:07 AM
    • Replies: 4
    • Views: 89
    Today, 04:59 AM Go to last post
  3. Madcow Avlanche

    Started by FlyBy01, 19th March 2018 01:04 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 127
    • Views: 5,569
    Today, 02:26 AM Go to last post
  4. 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: 134
    • Views: 5,242
    Yesterday, 11:34 PM Go to last post
  5. MAC 4" Black Fly Build Thread

    Started by Barkley, 7th February 2018 07:02 PM
    2 Pages
    1 2
    • Replies: 49
    • Views: 2,004
    Yesterday, 09:14 PM Go to last post
  6. Madcow Tembo flight video

    Started by MikeyDSlagle, Yesterday 08:09 PM
    • Replies: 0
    • Views: 59
    Yesterday, 08:09 PM Go to last post
  7. Wildman Rocketry Blackhawk 38 build thread

    Started by rockets, 12th May 2018 07:34 PM
    3 Pages
    1 2 3
    • Replies: 62
    • Views: 1,800
    Yesterday, 07:32 PM Go to last post
  8. From NASA to L3, a short build thread

    Started by AndrewW, Yesterday 04:24 AM
    • Replies: 13
    • Views: 293
    Yesterday, 07:15 PM Go to last post
  9. Re-birth of PML Callisto

    Started by UPscaler, 18th May 2018 04:02 AM
    • Replies: 3
    • Views: 259
    Yesterday, 05:02 PM Go to last post
  10. Madcow Cowabunga Mammoth build

    Started by Nathan, 18th May 2018 01:31 AM
    • Replies: 15
    • Views: 743
    Yesterday, 02:53 PM Go to last post
  11. Y.A.B.B. - my biggest build yet

    Started by EXPjawa, 31st January 2018 04:09 AM
    2 Pages
    1 2
    • Replies: 43
    • Views: 2,226
    Yesterday, 02:05 PM Go to last post
  12. 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: 14,549
    Yesterday, 06:24 AM Go to last post
  13. Polecat Chaos 4 Build! Thread

    Started by jd2cylman, 1st April 2017 03:26 AM
    2 Pages
    1 2
    • Replies: 52
    • Views: 4,935
    Yesterday, 01:23 AM Go to last post
  14. 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: 1,243
    Yesterday, 12:30 AM Go to last post
  15. Estes 1376 NASA Pegasus 300% upscale

    Started by Charles_McG, 23rd April 2018 11:42 PM
    • Replies: 14
    • Views: 434
    24th May 2018, 08:19 PM Go to last post
  16. Sub-Min Contrail L800 Build

    Started by ArchitectOfSeven, 21st May 2018 08:58 AM
    • Replies: 17
    • Views: 517
    24th May 2018, 09:27 AM Go to last post
  17. GPS arming before going to the launch pad?

    Started by Clivus, 21st May 2018 10:58 PM
    • Replies: 11
    • Views: 442
    24th May 2018, 07:26 AM Go to last post
  18. L3 4" Frenzy

    Started by mperegrinefalcon, 22nd April 2018 04:12 PM
    • Replies: 14
    • Views: 649
    24th May 2018, 06:43 AM Go to last post
    • Replies: 2
    • Views: 143
    23rd May 2018, 07:34 PM Go to last post
    • Replies: 3
    • Views: 178
    23rd May 2018, 12:59 PM Go to last post

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