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Space/Science » in reply to Why not launch one from a high altitude balloon?

It was done in 1997.

RobVG — 7/28/2022 1:04:03 AM (archived)

They set a worlds record for an amateur rocket. 36 miles.

Here a good read on the project and one of it's engineers. It also follows his progress in designing an engine for Dick Rutan.

https://www.smithsonianmag.com/air-space-magazine/in-thrust-we-trust-18284054/?fbclid=IwAR2Zk2FMfQf-tpX_vpZuuslrkJjyKCD4McR_3YxLOP52UbjfzzEooYfr9FQ

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The whole thread (13 posts)

Question - RobVG - 7/16/2022 8:17:26 AM
- A vacuum has no temperature. - ER - 7/16/2022 11:55:52 AM
  - Question revisited - RobVG - 7/22/2022 2:49:34 PM
    - yes. - ER - 7/22/2022 5:12:36 PM
      - The cool thing is, modern high power model rockets can easily reach lunar escape velocity. - RobVG - 7/23/2022 10:15:29 PM
        
        Why not launch one from a high altitude balloon? - ER - 7/24/2022 12:30:35 AM
        
        It was done in 1997. - RobVG - 7/28/2022 1:04:03 AM
        
        Air density would probably be an issue. - RobVG - 7/24/2022 7:58:41 PM
        
        How about big fins for the thin air. - ER - 7/25/2022 12:35:34 AM
        
        That's a possibility. Fall away boosters with larger fins are commonplace. - RobVG - 7/25/2022 2:49:35 AM
        
        Good idea! - RobVG - 7/24/2022 1:59:53 AM
      - Great answer. Thanks again ER. - RobVG - 7/23/2022 3:02:25 AM
  - Thanks. it was one of those bedtime thoughts. - RobVG - 7/16/2022 4:54:35 PM

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