Some more pics of the build
Identifying the frame bearings
Placed them in one of the frames. Bearings #D can be put later after joining the frame but before tightening all frame screws.
Main gear, one way gear, and tail drive gears.
Fit the front main gear and one way gear.
Fit the tail front pulley and gear.
Time for the spindle and rear main gear.
The above assembly won't go in the frame in one piece. You will have to place the gear in the frame and feed the spindle from top.
Tightened the mast collar with thread lock.