Help Support RocketryForum by donating using the link above or becoming a Supporting Member.


  1. 13th September 2017
    Views:
    985
  2. 8th April 2014
    Views:
    13,972
Page 1 of 497 1 2 3 4 5 11 51 101 ... LastLast
Threads 1 to 20 of 9925

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: 9,547
    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: 35,396
    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: 4,353
    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: 13,994
    1st June 2013, 04:52 PM Go to last post
  1. Wildman Rocketry Blackhawk 38 build thread

    Started by rockets, 12th May 2018 07:34 PM
    2 Pages
    1 2
    • Replies: 40
    • Views: 1,016
    Today, 03:05 PM Go to last post
  2. pml ariel level 1 build

    Started by S10guy, 14th June 2017 08:42 AM
    • Replies: 22
    • Views: 1,372
    Today, 02:20 PM Go to last post
  3. Madcow Avlanche

    Started by FlyBy01, 19th March 2018 01:04 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 104
    • Views: 4,611
    Today, 11:06 AM Go to last post
    • Replies: 2
    • Views: 80
    Today, 06:08 AM Go to last post
  4. At what point does model rocketry have to morph into HPR?

    Started by majordude, 18th May 2018 04:31 AM
    2 Pages
    1 2
    • Replies: 54
    • Views: 1,135
    Today, 04:53 AM Go to last post
  5. L3 - really?? Tekcub 3L

    Started by les, 7th March 2018 03:04 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 113
    • Views: 5,070
    Today, 04:00 AM Go to last post
    • Replies: 23
    • Views: 849
    Today, 02:21 AM Go to last post
  6. L2 Certification Build -- Five Finned Folly

    Started by jlabrasca, 31st March 2018 02:32 PM
    2 Pages
    1 2
    • Replies: 48
    • Views: 2,094
    Today, 01:12 AM Go to last post
  7. Madcow Cowabunga Mammoth build

    Started by Nathan, 18th May 2018 01:31 AM
    • Replies: 6
    • Views: 273
    Yesterday, 10:16 PM Go to last post
  8. Level 2 project: "Long Tom" LOC Cruiser -> stretched Tomahawk CM

    Started by Nytrunner, 5th May 2018 07:19 PM
    2 Pages
    1 2
    • Replies: 37
    • Views: 1,010
    Yesterday, 09:41 PM Go to last post
  9. Madcow Formula 98 - L2 cert build

    Started by Rockethound, 30th April 2018 11:26 PM
    2 Pages
    1 2
    • Replies: 44
    • Views: 1,555
    Yesterday, 09:19 PM Go to last post
  10. 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: 228
    • Views: 14,222
    Yesterday, 07:58 PM Go to last post
  11. Rail buttons mount

    Started by roytyson, 13th May 2018 08:52 PM
    • Replies: 6
    • Views: 304
    Yesterday, 06:37 PM Go to last post
  12. PML Piston Info

    Started by OC_Rocket_Man, 24th April 2018 02:11 AM
    • Replies: 21
    • Views: 633
    Yesterday, 06:28 PM Go to last post
  13. Rail Buttons

    Started by Talmaar, 12th May 2018 11:25 PM
    • Replies: 5
    • Views: 227
    Yesterday, 06:17 PM Go to last post
  14. Unexpectedly high RASAero estimate for a two-stage rocket.

    Started by RGClark, 28th April 2018 03:43 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 118
    • Views: 4,342
    Yesterday, 05:11 PM Go to last post
  15. L3 4" Frenzy

    Started by mperegrinefalcon, 22nd April 2018 04:12 PM
    • Replies: 13
    • Views: 537
    Yesterday, 03:14 PM Go to last post
  16. Lubricating swivels

    Started by Rockethound, 9th May 2018 07:42 PM
    • Replies: 18
    • Views: 489
    18th May 2018, 11:18 AM Go to last post
  17. Roommate Got Sucked In!

    Started by UPscaler, 18th May 2018 04:02 AM
    • Replies: 2
    • Views: 183
    18th May 2018, 07:46 AM Go to last post
  18. Y.A.B.B. - my biggest build yet

    Started by EXPjawa, 31st January 2018 04:09 AM
    2 Pages
    1 2
    • Replies: 34
    • Views: 1,897
    17th May 2018, 09:30 PM Go to last post

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •