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Spin the Challenge Wheel, Mission Report. "Go to Bop and return with minimal mass, no Ion Engines"


Martian Emigrant

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Hello All.

 

The premise and decisions:

 

Go to Bop. This challenge is to myself. Fun first. I chose to go to Bop by way of F12.

Now minimal mass is an uncertain thing.

3 tons to me can be minimal and then I see a guy do the same missions with 300Kg using weird aerodynamic effects and game quirks.

So not to break records but to make it lean.

 

After doing a simulation I determined that (Using the LV-N "Nerv" Atomic Rocket Motor) that the Mk1 Liquid Fuel Fuselage (400 units) was overkill.

I settled on using 7 tanks of Mk0 Liquid Fuel Fuselage (7×50 units).

To save mass the ablator was cut from 200 to 100. I figured it would be plenty.....I got nervous on the actual proof of that.

The simulation showed that the pilot would survive.

 

The ship:

 

A lawnchair on a pizza pan.

The struts are only decorative. The hovering parachute was too odd-looking.

wE6qSE9.png

Positioning to Bop

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Go

02TwwRA.png

Jool rise

SDWhGsS.png

Orbiting Bop

e64TZEw.png

After a bit of messing around I got a Tylo-Tylo encounter that would get the ship out Jools SOI toward the sun for 104 m/s.

sBBYm7u.png

Had to do 2 corrections for the trajectory to work.

OV1D1BW.png

Passing by Tylo again

cPadlXw.png

The planned intercept to Kerbin

zDvJW9e.png

Burn baby burn

5gTtymh.png

Had to do a few corrections as I overshot a few times.

43Km good enough leave it alone.

S90Ob8q.png

Once in Kerbin SOI a short burn to correct the Pe to 40Km.

(In my simulations 40 was about right)

4mVp2fD.png

Back with 431 m/s left

LGwbeHN.png

Goodby engine and fuel

Y6KAPVQ.png

Regretting cutting the ablator budget

3kISBeg.png

Success. I never doubted it.

mKSRaxC.png

HRMXOy2.png

 

 

Conclusion:

 

That was fun and hard. Glad I did it.

 

ME

Edited by Martian Emigrant
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