Vern Estes Patent No 3114317

Discussion in 'Low Power Rocketry (LPR)' started by lakeroadster, Feb 10, 2020.

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  1. Feb 10, 2020 #1

    lakeroadster

    lakeroadster

    lakeroadster

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  2. Feb 10, 2020 #2

    lakeroadster

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    And an article from 2008 in which Vern Estes explains the history of the Scout.

    Verns Patent No 3114317 Article The Scout Over The Years Article Page 1.jpg Verns Patent No 3114317 Article The Scout Over The Years Article Page 2.jpg



    Vern Estes Early Scouts.jpg
    Early Scouts (battle tested)
     

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  3. Feb 10, 2020 #3

    lakeroadster

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    The original plans for the Orange Bullet

    Verns Orange Bullet.jpg
     
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  4. Feb 10, 2020 #4

    lakeroadster

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    Anybody here ever built the rocket shown in the patent? (Not the later version with the long external motor clip... the original patent rocket design)

    One thing that confuses me a bit.... on the original design in which the motor is, during powered flight, encased at it's nozzle by the body tube.

    Would it fly or just sit on the pad and smoke due to Krushnic Effect?
     
  5. Feb 15, 2020 at 1:00 AM #5

    GlenP

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    The Krushnic effect had not been invented yet! :)

    If you look closer, that lower section of body tube is not minimum diameter. Those rails that hold the engine in place also allow some venting for air ingestion and mixing with the rocket exhaust, an "air inflow ring." Kind of like a little Augie, but the diameter is just barely larger than the engine.
     
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