Quote:
Originally Posted by ikalugin
I would remind the people here that the sole serving submarine of Yasen class is not representative of the upcomming Yasen class boats for the simple reason of having a different powerplant.
During the 90s we couldn't get the 4th generation powerplant built for the Severodvinsk, hence Severodvinsk has the reactor from the 3rd gen subs.
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Quote:
Originally Posted by ikalugin
Yasen did get the new power train, with hybrid electro-mechanical transmission.
Ie at low speeds the submarine is propelled using the electric motor driving the main propeller, with the main turbine and it's gears disconnected.
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That is interesting as that would reduce the signature quite a bit at slow speeds but how long would they need to re engage the gearing if they need to make a run for it ?
im not sure and i doubt it would be confirmed here that the USA France and UK have thought about this system