Original scale of prints ~ 1:100
TIFFs marked with *_300 for 300dpi, *_600 - for 600dpi
original resolution (for scans - 600dpi) - 233d/m
scale 1:17 - 100dpi
scale 1:20 - 118dpi
For parts marked with scale 1:50 and 1:25 resolution 
during vectorisation - *2 amd *4 .

DWG - scale 1:17, oriented for RC design with two geared (about 1:2-1:3) Speed-400.
Construction - balsa (3-4mm thick, directly over the scale drawings). 
Covering - better - paper, but may be something, like Solarfilm, ... 
In the first case - painted by "Tamiya" or similar airpaint. 
For Solarfilm covering - wing must be reinforsed (or may be comlpetely sheeted
with light 0,8-1mm balsa).
The goal - flying weight under 1000g (maximum-1200g).
Frame weight (not covered) - about 350g