Dolphin wrote:Me again. Photo of USS Los Angeles SSN-688 in Fremantle, Australia (HMAS Sterling) in 1999. A bottle shaped dunce cap, 7 blade prop with a 11 blade vortex attenuator aft, all turning as one in the same direction. Vortex attenuator blades stubby and rectangular in plan form. Other 688 subs use simular. Ringed props without attenuators common on 688I's.
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