Build The Red Baron's Fighter Plane is a magazine published by Hachette Partworks.  It'a weekly magazine, with the main aim being to complete a 1/8 scale model of the the Red Baron's Fokker Dr1 Triplane, which will take 100 issues, or 2 years

Here are the sizes of the original aircraft and the model.

original Fokker DR1

Model Wingspan 7.19 m (23 ft 7in) 90 cm (35 in) Length 5.77 m (18 ft 11 in) 72 cm (28 in) Height 2.95 m (8 ft 6 in) 37 cm (15 in)

Just in case anybody is thinking of it - it is not possible to convert this model to radio control.  The construction is too heavy to not strong enough.