Benchy test stringing/ironing/bridge

Boost MeBenchytitanic (bridge -ironing - stringing - retraction) inspired by the titanicinspired by the titanic,in addition to the tests of good ventilation and overang of the basic model, this remix tests a larger bridge and tests retraction and stringing. The ship's exhausts are staggered to account for tilt.even the changes are evaluatedthe upper base can serve as a test for ironingthe hull contains all the other parameters of the original benchy such as holes, width distance etc etc..