Design and Development
The Nimbus-4 family is a direct derivative of its predecessors at the highest performance end of the Schempp-Hirth product range, the Nimbus-2 and Nimbus-3. In total as of 2010, 44 single-seat and 100 two-seat models had been produced. The wing has a multi-tapered planform and the wingspan was increased to 26.5 metres. The aspect ratio is 38.8. The fuselage was also lengthened, and a larger rudder was fitted.
The manufacturer claims this glider has a glide ratio of better than 60:1 at a best glide airspeed of 110 km/h (59 knots), meaning it can glide over 60 kilometres on course for every 1000 metres of altitude lost in still air.
There is a two seat version, the 4D, and motor glider versions with either turbo engines (designation T) or self-launching engines (designation M).
Read more about this topic: Schempp-Hirth Nimbus-4
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