Impossible Drives
EM-Drive
This is the EM-Drive or the impossible drive(It works in KSP anyway)
It is based after the real world model but I gave it a bit more thrust(1kN), just to make it a bit more Kerbal ;P. The engine uses a massless propellant what makes it have an infinite amount of delta V.
There is also a cooler because this engine produces a lot of heat.
GyroDrive
This engine produces thrust by swinging the fuel in the tanks around and pumping it to the other tank at the same moment. It produces 1.5kN thrust but it is bigger than the EM-Drive.
It even got the swing animation :)
-SuperPenguin160