Mid Power Rocketry (MPR)

Rockets using motors from E through G impulse.

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  1. KermieD
    Locked Sticky

    Clarification on TRF Rules and Guidelines

    KermieD, Apr 13, 2007
    Replies:
    0
    Views:
    5,711
    KermieD
    Apr 13, 2007
  2. BSNW

    Estes Prowler ready for flight!

    BSNW, Nov 16, 2018 at 3:14 PM
    Replies:
    9
    Views:
    155
    Jozef
    Nov 19, 2018 at 2:20 PM
  3. Ryan Thompson

    Can I still use this motor?

    Ryan Thompson, Nov 18, 2018 at 7:36 AM
    Replies:
    3
    Views:
    131
    grouch
    Nov 19, 2018 at 5:43 AM
  4. Tobor

    Wildman DarkStar Jr Build

    Tobor, Feb 22, 2018
    Replies:
    13
    Views:
    1,100
    Pepe Le Pew
    Nov 19, 2018 at 5:17 AM
  5. JordanT

    Does anyone discount Hobbyline anymore?

    JordanT, Nov 18, 2018 at 2:19 AM
    Replies:
    4
    Views:
    184
    jd2cylman
    Nov 18, 2018 at 9:03 PM
  6. Tyler P

    24mm Minimum Diameter scratch build

    Tyler P, Nov 14, 2018 at 2:24 PM
    Replies:
    20
    Views:
    424
    Tyler P
    Nov 18, 2018 at 8:13 PM
  7. Designer Fly

    Mach1 Rockets Breaking Records?

    Designer Fly, Nov 6, 2018
    Replies:
    6
    Views:
    417
    tOD
    Nov 18, 2018 at 3:04 AM
  8. mjstech

    Sheri's Hot Rockets - Space Shuttle - Needing build instructions

    mjstech, Nov 15, 2018 at 5:48 PM
    Replies:
    2
    Views:
    201
    KenECoyote
    Nov 18, 2018 at 2:04 AM
  9. dmgrime

    Upscale 3" Big Bertha

    dmgrime, Nov 11, 2018
    Replies:
    13
    Views:
    306
    dmgrime
    Nov 17, 2018 at 9:40 PM
  10. Brian Kirksey

    Custom inspired Blackfly

    Brian Kirksey, Nov 17, 2018 at 12:59 AM
    Replies:
    8
    Views:
    190
    Brian Kirksey
    Nov 17, 2018 at 7:18 PM
  11. tfrielin

    Estes Big Daddy---Making it a two E-Engine Cluster?

    tfrielin, Nov 15, 2018 at 9:54 PM
    Replies:
    13
    Views:
    336
    gdjsky01
    Nov 17, 2018 at 5:21 AM
  12. Tomflysrc

    I wanna break records! BT60/38mm Size limits

    Tomflysrc, Nov 11, 2018
    Replies:
    19
    Views:
    440
    NateB
    Nov 16, 2018 at 9:31 PM
  13. tfrielin

    Engines for Estes Maxi Alpha 3

    tfrielin, Nov 9, 2018
    Replies:
    11
    Views:
    259
    ThirstyBarbarian
    Nov 16, 2018 at 4:38 PM
  14. DankMemes

    Found a pack of Estes E9-6 in the garage, circa 2004, safe to fly?

    DankMemes, May 30, 2018 ... 2
    Replies:
    38
    Views:
    1,638
    Tyler P
    Nov 15, 2018 at 4:09 PM
  15. base890

    G10 3/32” fin warp fix

    base890, Nov 8, 2018
    Replies:
    28
    Views:
    483
    base890
    Nov 15, 2018 at 8:07 AM
  16. Jack Hydrazine

    3D Printed Rail Buttons and Guides

    Jack Hydrazine, Sep 2, 2018 ... 2
    Replies:
    46
    Views:
    1,295
    base890
    Nov 14, 2018 at 3:44 PM
  17. cbrarick

    BadAzz Myzztic rocksim

    cbrarick, Nov 11, 2018
    Replies:
    0
    Views:
    63
    cbrarick
    Nov 11, 2018
  18. Nytrunner

    The road to L2 is paved with practice. PSII trainer fleet

    Nytrunner, Jun 4, 2017 ... 2 3
    Replies:
    72
    Views:
    8,225
    Tyler P
    Nov 8, 2018
  19. Nytrunner

    N-1 builder kit from new manufacturer

    Nytrunner, Jan 16, 2018 ... 3 4 5
    Replies:
    141
    Views:
    11,601
    Nytrunner
    Nov 8, 2018
  20. PoweredBySoy

    Tailcone for a 54mm rocket...?

    PoweredBySoy, Nov 7, 2018
    Replies:
    2
    Views:
    115
    PoweredBySoy
    Nov 7, 2018
  21. downhill_D

    Mach One brand: “Antigravity” build

    downhill_D, Oct 14, 2018
    Replies:
    17
    Views:
    613
    Designer Fly
    Nov 6, 2018
  22. Jozef

    Super Big Bertha... Awesome kit

    Jozef, Oct 10, 2018 ... 2
    Replies:
    32
    Views:
    1,279
    PhlAsh
    Nov 6, 2018
  23. Pull_and_Twist

    ESTES PSII Super Big Bertha - Build Thread

    Pull_and_Twist, Mar 18, 2018 ... 2 3
    Replies:
    63
    Views:
    5,362
    scott johnson
    Nov 6, 2018
  24. Tyler P

    Rocketarium Black Brant IVb Mod1

    Tyler P, Nov 4, 2018
    Replies:
    1
    Views:
    120
    Tyler P
    Nov 6, 2018
  25. Joe Rocket 97

    Rail Button Hardware

    Joe Rocket 97, Nov 4, 2018
    Replies:
    4
    Views:
    182
    Nytrunner
    Nov 5, 2018
  26. Tom Zachman

    Estes F Class BLack Powder Cato Risk v. Composite

    Tom Zachman, Oct 28, 2018
    Replies:
    14
    Views:
    513
    shreadvector
    Nov 5, 2018
  27. James Simpson

    RMS 180 g75j got the jiggles

    James Simpson, Nov 2, 2018
    Replies:
    6
    Views:
    238
    swatkat
    Nov 5, 2018
  28. Tyler P

    Estes Saturn V

    Tyler P, Oct 2, 2018
    Replies:
    4
    Views:
    510
    Tyler P
    Nov 4, 2018
  29. scott johnson

    Openrocket question

    scott johnson, Oct 11, 2018
    Replies:
    6
    Views:
    292
    stantonjtroy
    Nov 4, 2018
  30. kavel_r

    3D Printed BT-70 Nose Cone + Altimeter Bay

    kavel_r, Nov 4, 2018
    Replies:
    0
    Views:
    104
    kavel_r
    Nov 4, 2018
  31. ActingLikeAKid

    Rail Buttons, Lugs, and Primer

    ActingLikeAKid, Oct 12, 2018
    Replies:
    6
    Views:
    286
    BDB
    Nov 2, 2018
Showing threads 1 to 30 of 5,376

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