Slipstream engine

Slipstream engine
Type:	Spacecraft engine
Place of origin:	Raxacoricofallapatorians
Appearances:	DW: Aliens of London(mentioned)

Slipstream engines are a form of faster-than-light travel utilised by the Raxacoricofallapatorians of Raxacoricofallapatorius. Little is known about the engine but it can probably allow access to hyperspace. (DW: Aliens of London)