what was the differences between the titanic, olympic, and brittanic.

1. was the titanic the largest of the 3? did they make britanic bigger or smaller then titanic?

(in feet)

what was the lengths of all 3 ships,

and also,

wat was the differences made in the bulkheads?

how many of the first compartments could each ship be breached off and stay afloat? apart from titanic. and also wat was the maximum of any amounts flooded for each ship?

titanic : first 4 | any 2?

olympic : was 4 to 6? | ?

britanic? : ? | ?

any other differences apart from the deck cut outs, is welcome!