Overflight Labs Prototype 101

The Prototype 101 is a continuation from its predecessor, featuring more power. It has been successfully flight-tested with mission Orbiter 1 and is capable of entering, sustaining, and exiting Kerbin orbit. It is also important as the first flight platform to be used in a non-developmental mission that had stakes.
Characteristics
Delta-V (at Kerbin sea level)
2,978 m/s
Stages
3
Personnel capacity
1
Engines
11
Payload carrying capability
None
Developed from
Prototype 100
Developed into
Prototype 102