Re: those jet backbacks?

Space/Science » in reply to Re: Remember those jet backbacks?

Johannes — 4/12/2003 2:59:00 PM (archived)

Hey John, you said that;
"Cold gas thrusters for compressed air have an Isp of around 70."
I was wondering if the exhaust gas was heated in some type of a 'venturi augmentor' using propane as a fuel. Could such an addition increase the Isp to a level where the device would become 'interesting'?

The whole thread (17 posts)

Remember those jet backbacks? - Jacob Samorodin - 4/11/2003 4:40:22 PM
- Two problems immediately with increasing more gas into tanks. - Chris Taggert - 8/29/2003 6:19:56 AM
- re: Remember those jet backbacks? - Chris Taggert - 8/28/2003 5:57:46 AM
  - re: Remember those jet backbacks? - Larry J - 8/28/2003 3:38:05 PM
    - re: Remember those jet backbacks? - Chris Taggert - 9/4/2003 5:39:30 AM
    - re: Remember those jet backbacks? - Chris Taggert - 8/29/2003 2:18:03 AM
    - re: Remember those jet backbacks? - Chris Taggert - 8/29/2003 2:13:34 AM
- Re: "useful thrust for something like 30-40seconds" - alcaray - 4/11/2003 7:28:20 PM
- Yup, even used in early episodes of LIS - Carl - 4/11/2003 5:07:07 PM
- Re: Remember those jet backbacks? - John Carmack - 4/11/2003 8:15:14 AM
  - Re: Remember those jet backbacks? - Jacob Samorodin - 4/12/2003 7:39:10 PM
  - Re: those jet backbacks? - Johannes - 4/12/2003 2:59:00 PM
    - Re: those jet backbacks? - John Carmack - 4/13/2003 7:51:29 PM
      - re: Re: those jet backbacks? - Chris Taggert - 8/28/2003 6:01:21 AM
      - Re: those jet backbacks? - Nick Hoffman - 4/13/2003 7:44:02 PM
        
        Black Helicopters and Carmack? Are you kidding me? - Davin L. - 4/14/2003 7:25:20 PM
      - Re: Thank you John: Very informative answer n/t (n/t) - Johannes - 4/13/2003 11:34:38 AM

Recent posts

On this day in Space/Science

The whole thread (17 posts)