... in the mid-1980s (as the BAe Hotol), using pre-cooler cycle air-breathing engines to achieve a reusable single-stage-to-orbit spaceplane. In the subsequent third of a century, every one of the many formal external reviews with access to the project...
... passenger transport continues to evolve, it may one day use a vehicle like Skylon, the futuristic design for a single-stage-to-orbit spaceplane that grew out of the Rolls-Royce/British Aerospace HOTOL project of the 1980s. The current iteration...
...space activity. There are still issues of how to classify and register truly hybrid craft such as single-stage-to-orbit spaceplanes and what happens in respect of the liability of spaceflight participants for accidents or injury on board a suborbital...