A consortium of five European technology companies is developing a single-stage suborbital spaceplane. Called Project Enterprise, the Swiss, German, and Austrian industrial group designed a 2 to 5 passenger vehicle powered by three liquid oxygen/kerosene rocket engines.
Original proposal for spaceplane developed under Project Enterprise envisioned aircraft taking-off from an airfield. After take-off, the Enterprise performs a vertical climb that takes it outside of the effective atmosphere at top speed of more than Mach 3.
Burnout is at a flight altitude of approximately 50 to 80 km, which is then followed by a ballistic ascent to a maximum flight altitude of 100 to 130 km. After burnout, the passengers will experience weightless-ness for a period of 5 to 8 minutes before re-entry back into the lower atmosphere.
Credits: Talis Enterprise GmbH
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