Helicopter Technik München, HTM Skytrac D-HARB.

Second picture of Skytrack published again on request...
Previous picture with neg scanned at its maximum to show the important cooling fan grid-protected and located ahead the six cylinders Lycoming engine seeming housed in a castle...note also the righ part of the V tail mounted on a low beam rotorless, anti-torque resulting from contra-rotating twin rotor.