Drover has to be just 10% better for it to be more cost-efficient than Condor, when looking at maintenance and salaries.
cr recover cost( which is the bulk of the bills)
Due to Condor using 10% CR per deployment and 10 supplies to recover and Drover using 15% CR per deployment and 12 supplies per deployment, it takes 70 supplies to recover from 0% to 70% for Condor, but only 56 supplies for Drover. If you run out of PPT, Condor becomes more expensive per deployment after it loses 10% of CR. It's possible to get more PPT out of Condors than out of Drovers, though, by retreating and redeploying to renew PPT.
The way CR drain works is a bit counter intuitive and obscure, I hope Alex will do something with it.
But how often does that happen? From a credit point of view, running down your fleet to 0% is a terrible idea. If you are concerned about credits as a balancing point, you would never consider that situation, as its going to be 5-10 times worse than retreating and engaging with a fresh PPT timer. There's also the flip side of that CR stat. Condors are only at 50% CR on their 3rd deployment, and 40% CR on their 4th. A Drover is 40% on their 3rd, and 25% on their 4th.
In a multi-fight situation where you're running out of PPT on your destroyers multiple times in a few days, the Condors are 20% cheaper in terms of supplies, and on the 3rd and 4th deployments at significantly higher CR.
I suppose it is non-intuitive that letting ships with better CR costs per deployment (i.e. 10% versus 15 or 20%) are actually cheaper to restore from a fully broken state. From a deployment perspective though, if you've been deploying and retreating, a 0% CR implies you've deployed the Condor 7 times and the Drover only 5 times. I don't see a good way to avoid that with the mechanic.
Or are you saying that enemy Condors are more expensive than Drovers to recover in terms of supplies? That is certainly true, but in that case, we perhaps should be comparing D-mod performance of Condors and Drovers? Certainly a 4 d-mod Condor or Drover is going to be much cheaper to run (2 or 2.4 supplies per deployment) if credits are a concern. 800 credits or 960 credits difference per deployment compared to their pristine versions. Given their monthly running costs are something like 2300 or 2500 credits (ignoring crew losses), assuming 2 fights per month, thats cutting your running expenses by like 38% or so.
Actually, here's a semi-related question. When hyperspace storms deal damage and reduce CR, is it proportional to the CR per deployment (i.e. a 10% CR per deployment ship takes half the CR hit from a storm that a 20% CR per deployment ship) or is it some kind of flat supply value or what?
Credit balance also needs to consider the initial cost difference. A Black market Condor costs 43,400 credits. A Black market Drover costs 66,400 credits. That is a 23,000 credit difference. Throw on some moderately expensive fighters (i.e. ~10,000 per fighter), some crew (~3000), and maybe some PD guns (~500), and now its more like 67,000 versus 90,000. Say you've got a 400k budget, having just come back from some bounties, and you want to add some fighter wings. You could get 4 Drovers and 400 supplies. Or you could get 5 Condors and 650 supplies. Assuming you can find that many of each in the markets.
One thing I'm curious about is thus:
Condor vs Gemini.
Given the way fighters scale, Condor is going to outdo Gemini significantly simply because 2 fighter bays versus 1 at 10 DP versus 9 DP. However, if you're considering it from a purely trader perspective and getting the most cargo space while having significant protection, that is a different question.