The Monospar S.T.25 has the following specs.

Wingspan: 26’4″
Length: 40’2″
Height: 7’10”
Maximum speed: 130 mph
Maximum altitude: 2.460 miles
Landing speed: 50 mph
Engine: 2 x Popjoy Niagara II (90 HP)

So far, all existing 3-views are total crap (possibly with the exception of the one from the guy who didn’t send it to me). Problems include wing profile and aileron shape.

Scale Size at 1:5:

Wingspan: 1605.3 mm
Length: 2448.6 mm
Height: 477.5 mm