"After the landing gear are up, so the airplane will climb if an engine fails."
At the risk of stating the obvious, this is not necessarily the case with light twins. Especially on the older aircraft where the tired engines aren't producing as much thrust as they once did. Not to mention hot and high thrown in for good measure. And if you're especially unlucky you may experience a downdraught from mountain range or CB-associated vertical/tail gusts.
EU-OPS is now telling us to use maximum power for noise abatement purposes until reaching 800 aal. I wonder if this will reduce engine life and whether it will enhance safety or not?