Diary March 14

Some of you just aren’t getting this, are you? OK – let me explain. The thickness of our tinware is measured in Standard Wire Gauge, or SWG for short. All of our bolt fixings are either BA or UNF. Our material spec’s are to DTD or the old L-standards and our rivets are in sizes ranging from 3/32nd of an inch to 5/32nd. Our aeroplane was built and then forcibly dismantled again…