Adding the rear frame to the plug

Up to now all bonding has been done horizontally on a flat table to ensure the frame will be straight and level. To mount the rearframe the plug is put vertically onto a table using reference lines on the table surface.


Lots of weights and straight-edged objects are used to ensure that the frame will end up in one line.
From the front:

To the rear:

It should be one straight line.