I'd appreciate advice on this persistent problem.
Am I doomed to drop the chain if 3 three conditions are present:
1. chain on inside (largest) 1 or two rear cogs
2. I run my chain tension loose as specified by Sheldon Borwn (large large while skipping derailleur and adding 1 link (3 pins)).
3. panic shift front - shifting the front derailleur from the large chain ring to the small in one complete depressing of the front brifter lever.
I realize that none of the 3 probably help to avoid dropping the chain and I try not to panic shift but sholdn't the proper front derailleur setting eliminate this problem? How much is the problem influenced by chain tension. Also, I find the drive train behaves entirely differently when under load than on the work stand. load introduces more hesitation so this has been challenging to troubleshoot.
I have been periodically dropping my chain off the inside of the small ring -while using the inside (largest) 1 or 2 rear cogs - when shifting from the large to the small chain ring. I have adjusted both the inside and outside positions (for small and large rings) of the front derailleur to be as close as possible without rubbing but the problem persists.