Hello CMDR´s
I have been thinking about this question and i cant find the satisfactory answer to it.
For me pirating should be about getting the cargo you are looking in the fastest and the easier way possible without trouble/ fighting. In case of the odds against you in a fight you shouldnt engage, because you are there for the cargo and not for any unprofitable glory

So, having that in mind there are 3 main features we would need in our ship that should the decisive factor when choosing it:
1- Mass to mass lock potential target.
2- Enough firepower to be a threat and been able to disable a well defended target.
3- Possibility to escape without any trouble and damage if needed.
So for me with these points I can only think at this list of candidates.
Cobra:
1- It lack mass to lock many targets and can only prey on smaller traders ships
2- Enough to have the job done, but not against big well defended traders
3- It excel at running away thanks to hits speed
Clipper:
1- Its is big enough to mass almost everything
2- It has everything it need for the job
3- Also very fast, so it could jump away in case of trouble
Python:
1- Big enough to mass lock almost everything
2- Again enough
3- Even if its not too fast it could stand enough fire until jump.
Asp: For me this ship is a big question which I would like to know
1- It lack mass for locking many ships but is way bigger than the cobra, so i dont know where its stand at the moment
2- it has enough but would struggle against well defended traders
3- Not to great, not to bad
All The federal ships look like good candidates for this but i know very little about them
So what are your thoughts about it? On papers it look to me the best ships for pirating would be the Clipper, the Python and maybe the Asp.
Edit: I pirated with the cobra and the FDL a lot just for the fun. And while they are fun there are far from enough to be good at it. The cobra because of its limitations, and the FDL because with an ideal pirate load out only could carry 16 tons of cargo, so the profit wouldn´t be too big and its a little pain in the ass to travel fast around systems as the pirates normally do.
its seems about