maybe thats a bit off topic. but the crash of the AA A306 made me ask myself whether there is a relation between engine size and the potential damage the engine does to the plane if theres a failiure.
sometimes, blades of the fan come off and damage the plane. take the UA DC-10, in sioux city. there the no2 engines blade came off and damaged hydraulic linings causing the crash landing. the larger the engine the larger the damage?
take vibrations that might be caused by the moving parts getting out of balance. the lager the engine the more damage?
take the case that an engine fails during take off. the force pushing the plane in one direction (the spin) will be the larger if the failing engine is larger.
and, of course, if the whole engine falls off the plane, might it cause more damage if it is larger?
im not sure. could it be that large engines are unsafer than small ones?