Wow, many thanks Easy

I've been reading about these things for a couple of days and still didn't understand!

I made a mock-up where the stuffing tube actually bent with the wire. Surprisingly that didn't bind that much .. just about slightly more than my solid shaft.

I see the light.

Now I have to decide if I want to do my bend in the hull or after the transom. If I do it internally my drive angle will be fixed at 0 degrees. If I go external I'll need to strengthen my rudder stand-off to act as a strut bracket.

Do Mono's really need positive strut angle (prop face pointing to the sky)? I'd initially planned on a fixed set up.

Actually an external bend might not be possible on a 15" mono without setting the prop way back .....

Conversley an internal set up might leak a sieve.