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Let's Do Some Rocketry !?

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  • topspeed
    started a topic Let's Do Some Rocketry !?

    Let's Do Some Rocketry !?

    I have calculated several interesting scenarios and recently found out that if you have Xenon and an MPDT ( magnetoplasmadynamic thruster ) drive you can actually reach the famous " ludicrous" speed.

    For this 3rd stage ( or after the third stage ) it can accelerate to an almost 1 000 000 km/h speed ( with no fuel to brake ). It needs also 200 m2 solar panels ( origami like in the fuse ).
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  • topspeed
    replied
    Here's some tuning to to it...80 m span...both for the tow plane and the space plane.
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  • topspeed
    replied
    Merry Christmas everyone !
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  • topspeed
    replied
    I counted some WAYPOINT figures for the crafts ascent to orbit.

    Interesting is that the craft has to reach almost orbital speed below 100 km to be able to fly to orbit.

    M3 at 60 km and weight 56 metric tons.

    M15 at 85 km and 31 tons weight ( rocket fuel burned away ). Plane is now a SSTO with 120 m long wings.


    Needs fuel dopots enroute if LOX/LH2 ship.

    Bob counted those; http://exoscientist.blogspot.fi/2015...planetary.html

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  • topspeed
    replied
    Here is the actual space ship. Braking system idea.
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  • topspeed
    replied
    Then grinding again....elevator moved back and nose shortened.

    Who wants to see the side view ?
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  • topspeed
    replied
    Sharpening the concept a bit.
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  • topspeed
    replied
    Igniting...in english...if you insist.

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  • topspeed
    replied
    This enables 35 km ( 110 000 ft ) drop altitude. Thus M2 before inginting the engines.
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  • topspeed
    replied
    Here is the engine that it needs 18 pieces.

    Siemens 260 kW.

    https://en.wikipedia.org/wiki/Spaceplane
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  • topspeed
    replied
    Stars are closing us fast with DSG; https://en.wikipedia.org/wiki/Dual-Stage_4-Grid

    ISP is 21 500 s !!!!

    Using DS4G + the solar panels on my system and the new smaller rocket inside the Solar Eagle the delta -v can be even 206 -250 depending how much Xenon you can afford...heck even1000 km/s ( if as much volume as normal rocket fuel takes as liquid xenon is 16,4 x more dense).

    Yes yes yes ! We are to chasing the " impossible ". ( Proxima Centaur system )

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  • topspeed
    replied
    To make that design soar with less energy it was tweaked like this.
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  • topspeed
    replied
    My previous design with long wings did not look good in 3D so I switched to an alternate design.
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  • topspeed
    replied
    Space Shuttle weighed 2 060 000 kg almost as much as Apollo did. I am proposing a craft that is fully reusable that weighs just 21 metric tons...around 100 x less. I has an effect on the fares too. I figure 260 000 euros per ticket to ISS ( fuel is just 8000 euros per person ).

    I am inclined to assume even James Bond ( 007 ) might like this ??
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  • topspeed
    replied
    Explained here.
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  • topspeed
    replied
    Turned to LH2/LOX fuel...it is lighter but bigger and thus the structure can be lite as well.
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  • topspeed
    replied
    More tweaking. No the cost to put men on the orbit is just 120 000 Euros per person. The plane + rocket will bring also satellites to orbit with les than a 3 million.

    T-Bird can take off like an aeroplane now...as it has more wing area and less mass.
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  • topspeed
    replied
    This is totally different bird here now.

    This is the minimum 2 seater to orbit Earth at LEO.

    Unlike Solar Impulse this uses full solar power and the battery capacity.
    Attached Files

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  • topspeed
    replied
    Afore mentioned set up could serve the Mothership on orbit...which could be made into a space lab ( LH2/LOX tank refurbished with B-29 type "wind screen " ).
    Attached Files

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  • topspeed
    replied
    I realized one thing today. This could made really simple with only SRBs. Just that it is then heavier and has no throttle and is not reusable.
    Attached Files

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