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Minimum craft to Mars and back !

Posted by: topspeed - Tue Apr 11, 2017 7:09 pm
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Minimum craft to Mars and back ! 
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Post Re: Minimum craft to Mars and back !   Posted on: Tue May 02, 2017 2:30 pm
Now the T-Bird is liquid fuel only.


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Post Re: Minimum craft to Mars and back !   Posted on: Wed May 03, 2017 2:56 am
Folks !

Feel free to aski if interested and want to be part of this.

Here are some ideas to it.

Solar output is 3 x more than on Solar Impulse and batterypower is used to accompany it...unlike in SI II.


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Post Re: Minimum craft to Mars and back !   Posted on: Thu May 04, 2017 5:25 am
More explained here.


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Post Re: Minimum craft to Mars and back !   Posted on: Thu May 04, 2017 5:25 am
...and here.


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Post Re: Minimum craft to Mars and back !   Posted on: Thu May 04, 2017 10:59 am
I think I have to think the mission profile all over again.

I don't need to have this big launchbooster / mothership with rockets if the parasite has delta-c of 7500 m/s. It is enough to get it at 50 km at M10 or similar speed.


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Post Re: Minimum craft to Mars and back !   Posted on: Thu May 04, 2017 11:01 am
This is now bigger than HK-1.


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Post Re: Minimum craft to Mars and back !   Posted on: Sun May 07, 2017 5:05 am
Slight modification...to be able to gain more momentum for the parasite.


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Post Re: Minimum craft to Mars and back !   Posted on: Mon May 08, 2017 12:16 am
With orbital propellant depots at both departure and arrival points a single reusable rocket stage could do all steps from LEO departure to Mars orbital insertion, to Mars landing, to liftoff up to Mars orbit, to return back to Earth:

Propellant depots for interplanetary flight.
http://exoscientist.blogspot.com/2015/0 ... etary.html

Bob Clark

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Post Re: Minimum craft to Mars and back !   Posted on: Mon May 08, 2017 2:21 am
RGClark wrote:
With orbital propellant depots at both departure and arrival points a single reusable rocket stage could do all steps from LEO departure to Mars orbital insertion, to Mars landing, to liftoff up to Mars orbit, to return back to Earth:

Propellant depots for interplanetary flight.
http://exoscientist.blogspot.com/2015/0 ... etary.html

Bob Clark


Cool link thanks Bob Clark.

What is you opinion on DS4G system seems to be at least 10 x more efficient than the Ion-thruster on Dawn probe ?

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Last edited by topspeed on Mon May 08, 2017 2:37 am, edited 1 time in total.



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Post Re: Minimum craft to Mars and back !   Posted on: Mon May 08, 2017 2:36 am
Some tweaking on my carrier craft that brings the orbiter for depature for LEO.

If reloaded on LEO this ( T-bird ) may just make it to MARS but apparently not capable to make it back...is that so Bob ? I counted it misses 3.6 km/s worth delta-v. This does not count in the landing on Mars.

Also noteworthy is that if you are able to fly in 36 km altitude on Earth you most certaily can fly on Mars atmosphere.


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Last edited by topspeed on Mon May 08, 2017 3:19 am, edited 3 times in total.



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Post Re: Minimum craft to Mars and back !   Posted on: Mon May 08, 2017 2:42 am
This was missing here.

T-bird here ( lower craft )has capability to depart Earth gravity and use the DS4G.


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Post Re: Minimum craft to Mars and back !   Posted on: Mon May 08, 2017 3:04 am
We can all count it.

Solar power on MARS is 43% of the Earth equivalent.


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Post Re: Minimum craft to Mars and back !   Posted on: Mon May 08, 2017 5:59 pm
Here is the re-entry / orbiter vehicle.


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Post Re: Minimum craft to Mars and back !   Posted on: Mon May 15, 2017 3:59 am
An other 5% increase in size. This is able to carry an orbiter which if refuelled and attached with solar arrays can reach Mars in weeks. The rocket itself has been increased by 17% in size.


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Post Re: Minimum craft to Mars and back !   Posted on: Mon Nov 20, 2017 9:12 am
New plane's rudder assembly.


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