@ maomatic & all others contributors of this "H41 stern/skegg/shafts debate"
Because all the H41 drawings/refs were subject to cautious (& were dubious or subject to hotly debates)
Maybe a more austere (& realistic) version...
- Rudders with explosive charges to separate them from the hull in even of a torpedo-hit
- large skegs added to the outboard shafts