To note the summary of model specifications taken off the plans (and inventory lists being made):

Cosmos 20

Length: 46” (1173 mm)
Wing Span: 52-1/3” (1330 mm)
Wing Area: 472 sq in (30.5 sq dm)
Weight: 4.0 – 4.4 lbs (1.8 – 2.0 kg)
Engine: 25 – 35 cu in (4.0 – 6.0 cu cm)
Radio: 4 – 5 channels
Design: G. Naruke & M. Kato

Skymaster 20

Length: 43-1/4” (1103 mm)
Wing Span: 47-1/4” (1200 mm)
Wing Area: 419 sq in (27.0 sq dm)
Weight: 3.0 – 3.5 lbs (1.4 – 1.6 kg)
Engine: 25 cu in (4.1 cu cm) RE
Radio: 4 – 6 channels
Design: M. Kato

Curare 20

Length: 43” (1090 mm)
Wing Span: 47-1/4” (1200 mm)
Wing Area: 428 sq in (27.6 sq dm)
Weight: 3.0 – 3.5 lbs (1.4 – 1.5 kg)
Engine: 19 – 25 cu in (3.0 – 4.0 cu cm)
Radio: 3 – 5 channels
Design: Hans & Hanno Prettner

Magic 20

Length: 43-3/4” (1110 mm)
Wing Span: 50” (1270 mm)
Wing Area: 434 sq in (28.0 sq dm)
Weight: 3.0 – 3.5 lbs (1.4 – 1.6 kg)
Engine: 19 – 25 cu in (3.0 – 4.0 cu cm)
Radio: 3 – 5 channels
Design: Hans & Hanno Prettner

If anyone has digital versions of any MK 20 size plans other than those listed here, a copy would be appreciated in support of the project (even a picture showing the specifications would be helpful in the absence of a digital scan).

Thanks in advance.

David.