Builders Tips: Where’s the Beef?

Written by Scott Manning, September 1995:
Beef doesn't always have to weight a lot. Here are a couple of "beef-ups" that add significant strength without a large weight penalty.
The first "beef-up" is along the FU62 bulkhead where the horizontal stabilator attaches. There have been documented cases of cracking and even one failure in this area, though without incident.
Add a mirror bulkhead of 0.32" 2024T3 aluminium behind the FU62 along with additional rivets. Additional rivets are also added along the FU62 where the skin attaches. If you ...