SSTO D-2 Scout Mk.2
by Val
uploaded 2015-09-27
147 downloads /
3
points
SPH
stock spaceplane
#Cargo #SSTO #Mk2 #Jet #Mun
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Description

The D-2 Scout is a small and reasonably cheap spaceplane SSTO that can carry up to 4.5 t cargo to a 80 km circular orbit, with a small amount of dV left for maneuvers and deorbit.

With no cargo, Mun or Minmus flybys are possible, and with or extra fuel in the cargo, orbit around Mun or Minmus and return to Kerbin are possible.

Low tech requirements. Powered by 2 Turbo Ramjets and 2 LV-909s.

Update

The improved Mk.3 and Mk.4 are now available.

For a RAPIER version, check out the D-3 Ranger

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Details

  • Type: SPH
  • Class: spaceplane
  • Part Count: 35
  • Pure Stock
  • Built in the SPH
  • KSP version 1.0.4
  • Cost: 26,231
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  • No external docking port or RCS.
  • Liquid Fuel: 2060
  • Oxidizer: 1540
  • Dry Weight: 9.8 t.
  • Wet Weight: 27.8 t.
  • Max Payload (LKO): 4.5 t.
  • Max Payload (Mun orbit): <1 t.
  • Max Payload (Minmus orbit): <1 t.
  • Max Take-off weight: 32.3 t.
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Ascent Profile

New ascent profile. Pictures no longer depict the exact ascent profile

  1. Full throttle, Stage and SAS to get going.
  2. Lift the nose wheel when speed is above 120 m/s.
  3. As soon as the tail is clear of the runway pitch up to 15° above horizon.
  4. At 18 km engage LV-909s. (Stage)
  5. Keep going at 15° pitch above horizon.
  6. At 25 km the Jets will have run out of Air. Shut them down with right click menu.
  7. At 30-32 km, the craft may stop climbing or even descend a little. It will start climbing again around 1750-1800 m/s.
  8. When AP is 60 km point the nose Prograde.
  9. When AP is 85 km throttle down.
  10. Coast to space and circularize.
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Take-off speed 120-160 m/s

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Climb 15° right after take-off

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Descent Profile

  1. 80 km orbit. In Map mode, focus Kerbin and turn camera so KSC is facing towards you right above the Navball.
  2. Time warp until your spaceplane is right behind Kerbin.
  3. Put a maneuver node right where you orbit appears from behind Kerbin on the left side.
  4. Pull the retrograde marker until the maneuver is ~135 m/s dV.
  5. Move the maneuver node until the planned orbit intersects the surface through KSC.
  6. Perform the maneuver.
  7. Turn Prograde and time warp till you enter atmosphere.
  8. Keep nose 40° above horizon until your speed is around 1400 m/s. (May need to move fuel around to keep stable)
  9. You should be nearing the coast of the landmass where KSC is at 25-30 km altitude.
  10. Pitch down 5°-10° below horizon and aim to pass the mountains at 10 km, at 650-750 m/s.
  11. Pitch down further, if needed, and aim for a point about half the runway length in front of the runway.
  12. At 200 m, flare and aim for the runway.
  13. Touch down with less than 3 m/s vertical speed.
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