From: Vienna, Austria
The TF speed is is used when calculating the odds of success rolls in initiating/evading combat, so that might be critical before the attack (although
not so much for air attack AFAIK).
But when the attack already takes place and the individual plane elements make their runs, the individual flank speed is used in the combat calculations.
It is similar to surface combat. An escorting DD is considered to use flank speed during the engagement, even if theres slow xAKs in the TF.
I think this is not correct. My DDs rarely are hit when on their own, but if they're with slower ships they will be hit often. That's not just with transports but with slower combat ships as well, and faced with any kind of threat. Whether it is how it's supposed to work or not, slow ships make all others more vulnerable to attack.
For example I would never put a 12 knot TK with my fast 19 knot AOs. The AOs would be then moving at 12 knots and would be more vulnerable to sub, air or sea attacks. Or, for a combat ship, I would never put my DDs in the same TF with 20 knot Es.
Maybe they do move quicker in combat than the slower ships, but I certainly notice the faster ships die more often as well with this mix. So regardless of how the game is supposed to operate, putting CVEs in a TF with fast CVs will likely mean the fast CVs (being the primary target as well) will get hit more.
Obvert, ships in combat move at ship flank speed, thats a fact, not guesswork.
The reason why combat ships in an transport TF are more prone to damage than, for example, in an SAG, is not related to
individual ship speed, but instead because of a combination of different root causes:
This happens not because they are - as an individual ships - slowed down by the TF, but:
- Because they are usually the high priority targets in that TF
- Suffer from a penalty on ship combat caused by TF type (but unrelated to ship speed)
- Usually suffer from a weaker TF commander
- Usually suffer from worse tactical mvr ('crossing the T')
- Cannot disengage that easily in the face of superior numbers, because for disengaging the TF max speed is relevant again.
Your example with the TK/AO still is partly correct though, as the TK could increase, for example, a subs´ chance to
successfully intercept the convoy.
BUT this has nothing to do with the combat itself, just with the fact that combat takes place at all.
After the dice has set fate that the sub is able to engage, and your 19kts AO is selected as the potential target, the survival chances of
your AO are the same, independent on whether theres a 12kts TK in the TF of not.