I have about 1000 hrs on the Pressurized Navajo, may be the worst of all.
425 hp per engine but useless at heavy weights.
I used to rotate the aircraft at 95 kts, because the manual says to forget to expect any climb below that speed on one engine. So in the briefing i was always telling to my copilot that as long as we are on the ground (below 95 kts) we abort in case of engine failure, it didn't matter how long the remainig runway was
I also used to take off with the cowl flaps closed (except in very high temperature) beacause they were real speedbrakes