[Spktyr]

This is what the back end of a Virginia looks like:

Hm, looks like flat surfaces that cavitate if used more than few degrees.

[doorgunner69]

Wow, that is a helluva lot different than the old multiple blade screws!

I am sure it rides a lot lower in the water surfaced and underway so the fan is under water.

[texas booster]

Thanks. Would be interesting to understand the design characteristics that these weapon system designers were weighing before applying CAD to the problem.

Looks like there must be a good reason - beyond running out of quiet ways to turn a 13,000 ton sub.