Projected aircraft for Ernst Udet with full aerobatic capability. Two versions were discussed: 1) A biplane like the M 21 2) A high wing monoplane with a span of 9 m and a BMW X engine. After the purchasing of two Curtiss dive bombers Udets interest was lost. The work was cancelled
Type Single seat biplane for Aerobatics Single seat monoplane for Aerobatics
Engine 1 BMW X
Dimensions Length  , height  ,  span  , wing area   , Length  , height  ,  span 7,0 m , wing area   ,
Weights Empty , loaded  , max. take off weight  
Performance Max.. speed  , cruising speed  , range , endurance  , service ceiling   , climb