ring fin

  1. Ahpla

    Ahpla

    The Ahpla Rocket - A Scratch Design/Build: 2 Stage Utilizing 24mm Motors a Ring Finned Magnus Effect Booster in a BT-55 Upscaled Alpha That Has the Fins Mounted Backwards Circa November 2021 - Link to Build Thread: https://www.rocketryforum.com/threads/lakeroadsters-2-stage-alpha-variant.169368
  2. etsakimoto

    Ring Tail Issues in RockSim

    I picked up a couple of parts from a free parts bin at my local launch, and want to build a ring tail rocket with them. My current plan has a 4 inch body tube and a 5 inch ring tail that is 1 inch long. However, I am dubious of RockSim's accuracy on the matter. Adding a ring tail to the rocket...
  3. grapetang

    Moonbug 2 Build

    The scratch-built, tube-fin, goony Moonbug of my youth (the original in my current avatar) was lost recently so I'm building a modified replacement. A lot of things seem backwards on this design. Some possible challenges: engine/motor mount axis alignment (2.75" with only one centering ring)...
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