Greetings!
This is a model of the frontrunner in the XPrize race to build the first cheap, commercial spacecraft. Designed by Burt Rutan of Scaled Composites, SpaceShipOne is carried aloft by WhiteKnight and is released after which it fires its rocket engine to boost itself to over 100km.
To download, see:
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In this 1/4th scale model, you take off as the WhiteKnight carrying SpaceShipOne as a conventional plane. Then press 'X' to release, then 'B' to fire the rocket booster on SpaceShipOne (assume a high-angle attitude first).
Booster rocket characteristics can be changed in Menu Model, Quick Edit, Engine Tab.
This could be the spaceship we fly on our first (affordable) holiday in space!
Regards,
Jose