Brief Description: F-706 BH - Drill a critical hole.
This log entry is all about drilling a single hole that needs special care. It's not that it's a structual rivet, I just want to get it right and if you egnore a couple of things or rush, you'll get it wrong, regret, hate youself, loose sleep and buy new parts.
Image 1 is pointing to this hole with my red pen. It goes through 2 angles. 2 things have to be assured before this hole is drilled.
1.) The forward flages on the 729A bell crank rib must be adjusted to 90 degress to the web. 2.) The 729A bell crank rib must be perpindicular to the 706B fusalage bulkhead.
If either of these 2 things are not adjusted, then the hole alaigning the 2 angles will be wrong. Crash and burn will be the result. Not really. Lets just be prudent in getting it right.
Adjust the flange of the 729A first, then use a square to line things up. Mark the location and drill both angles at once.
