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- Type: VAB
- Class: ship
- Part Count: 33
- Mods: 4
- Bluedog DB
- Procedural Parts
- TweakScale - Rescale Everything!
The goal of the Ranger program was to provide detailed imagery of the Moon in preparation for the eventual Apollo landings. None of the probes succeeded in their mission until Ranger 7 but by Ranger 9 they had a much firmer understanding of the Moon and verified that manned lunar exploration was in fact possible. Ranger 7 through 9 is represented by my probe, the Rorat-III which is build on BDB’s Rorat probe core and is carried by the Muo-Belle B, BDB’s build of the Atlas-Agena B.
The probe itself is designed for potentially long-term missions around either the Mun or Minmus and has a set of solar wings, several batteries, and RCS thrusters with enough monopropellent to provide around 800-850 dV. The excess is meant to act as a backup in case the Belle B booster fails at any point after the TMI (Trans Munar Injection) burn although the MOI (Munar Orbital Insertion) burn should be handled by the Belle-B booster under normal circumstances.
The lifter’s first stage is the Muo stage-and-a-half rocket used in several of my builds and somewhere near the upper mid-atmosphere you should ejected the booster fairings, although ejecting it later doesn’t have too much of an effect on typical missions. The second stage is the Belle B booster which has more than enough delta-v to handle any of the necessary burns. However the intention is to eject it after either the MOI burn or after you have settled on your more-or-less permanent orbital parameters.
A camera sits towards the top of the probe and is meant to be aimed towards the Moon with two sets of antennae to provide transmissions, the dish one meant for longer distance transmissions once the probe is in munar orbit. The solar wings do not track the sun so you may, from time to time, have to adjust the probe’s positioning so it can properly recharge. I recommend allowing both the Belle B control unit and the probe’s core to hibernate during warp or turning them off entirely during the injection process.
Built in the VAB in KSP version 1.3.0.
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