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Description
Ultra simple crewed spacecraft with just an engine, a fuel tank, a single strut, and a command seat?
Simple dirt cheap launcher to bring it to orbit for under 1,800 Funds?
Done and Done!
A stock rocket called ChairSat Sb. Built with 11 of the finest parts, its root part is externalTankRound.
Built in the VAB in KSP version 1.11.1.
Details
- Type: VAB
- Class: ship
- Part Count: 11
- Pure Stock
- KSP: 1.11.1
(The flag used can be obtained, along with a bunch of my other flags, here.)
The ChairSat Sb’s first stage consists mainly of a half-fuelled Thumper SRB derated to 75% thrust, plus three basic fins (offset mostly into the booster body to reduce drag) to keep it pointed in the right general direction, a fairing to cover up the orbital vehicle during atmospheric flight, and the ever-useful decoupler.
The orbital vehicle on top is incredibly small and simple even by ChairSat standards; its main component is a single Dumpling fuel tank, which serves as the mounting point for the forward-facing command seat, the single tiny Spider engine, and a lone cubic octagonal strut to provide an attachment node for the decoupler. The Spider’s gimballing capability allows it to be provide full pitch and yaw control when running; this eliminates the need for a reaction wheel to provide SAS, which, in turn, eliminates the need to carry a battery to supply electrical power. The mass and weight thereby saved allowed for the Baguette fuel tank used on the ChairSat Sa to be replaced with the lighter, more compact Dumpling, allowing for a slimmer (and lighter, and less draggy) fairing configuration.
