These drawings were produced to scale by Gosling. It would be perfectly feasible to produce an accurate model from them. The large 'squares' are 1" x 1" Somewhere I have seen Gosling's 'Price List' for these models!
As one might expect, I know of no examples of these early models so am unable to include photographs.
RFLG No 4
RFLG No 5.
RFLG with No. 5 in 1911
RFLG No 6. At this point in time 'distance' was seen as the main criteria by which a model's success was judged - Rather than 'endurance'.