picture of India's first Scorpene-class submarine KALVARI in tri colour and water

[Ankit Kumar]

Have the Germans actually officially offered the Type 214 under P75I?

And is SAAB partnering any shipyard?

 

[kaykay]

Sorry to ask this stupid question but Why it is red in color?

View attachment 268446

Earlier it was like

View attachment 268447


It should be like

View attachment 268443


.............................

black anechoic tiles are not placed right now. Will be done before induction.

 

[TimeTraveller]

black anechoic tiles are not placed right now. Will be done before induction.

Ok Thanks Sir.............. Also tell me if these submarines have AIP ?............

 

[kaykay]

Ok Thanks Sir.............. Also tell me if these submarines have AIP ?............

First 4 submarines will come without AIP but will get them during first upgrade, though last 2 will come with indigenous AIP since start.

 

[Penguin]

Final offering is only by RFP then evaluation.
Adding VLS and AIP on a smaller sub like U214 will reduce performance considerably.

@Penguin Can you explain advantages X-shaped tail planes and double hulled design on SSks.Looks like all modern ssks have those.

Double v single hull:
Submarine hull - Wikipedia, the free encyclopedia
Double Hulled vs Single Hulled Submarines
Unravelling a Cold War Mystery — Central Intelligence Agency

X planes

Aft Hydroplanes
Figure 8 shows the positioning of the aft hydroplanes as used by military submarines. Type A is the configuration applied by many modern military submarines. The hydroplanes are located in front of the screw. Note that the rudder blades are of different size. The bottom plane is smaller than the top one so that the boat can be put on the bottom of the sea (bottoming). Types B and C have the hydroplanes behind the screw. This is a configuration used by older submarines. The hydroplanes behind the screw are still used by the double screw Russian Tango and India class boats. The arrangement of D has the rudder behind the screw but has the dive planes in front of it. This type of arrangement was used for the German 205 and 206 class boats. Type E has the hydroplanes tilted 45 degrees, the so called X-tail configuration. No distinction between the rudder and the dive planes can be made. To steer and dive the boat, all of the four hydroplanes are used. In old submarines each set of hydroplanes, fore dive, aft dive and rudder, were operated by a separate person that manually turned a control wheel to the desired angle. It is obvious that an X-tail can only be operated by electronics or computer control. Because all four planes are used for both horizontal and vertical movement, the control of the boat is more subtle. Due to the 45 degrees tilting of the hydroplanes, bottoming is made possible without having to decrease the size of the lower dive planes. The X-tail configuration is used by the Dutch Walrus (Figure 9), the Swedish Vatergotland and the Australian Type 471.

Figure 8: Positioning of the aft hydroplanes for single screw boats. (side, aft and top view).

 

[TimeTraveller]

First 4 submarines will come without AIP but will get them during first upgrade, though last 2 will come with indigenous AIP since start.

Thanks Sir....

 

[Ind4Ever]

Why do everyone here is damn sure it is U214 is on offer considering only RFI is out?.
Also IN has specifically asked for larger displacement and possible VLS.

ThyssenKrupp Marine Systems
Type 216 U-216 Conventional Submarine SSK AIP TKMS HDW Submarine Class 216 Howaldtswerke-Deutsche Werft ThyssenKrupp Marine Systems Royal Australian Navy datasheet pictures images photos video specification
Type 216 submarine - Wikipedia, the free encyclopedia

Thats correct bro. Type-216 suits Indian requirements more than Type-214. Anyway if Type-214 is selected, it will be with huge modifications like adding VLS etc which is not making sense as Germans could have offered Type-216 instead of Type-214.

And who said we won't go for 216? Our tilt is towards German. That may not mean 214!!! We need to wait. Remember our requirements converged towards Sorayu Japanese subs? That's one big *** submarine with top notch technologies. 214 with non magnetic hull could be our choice... Anything less than this will be a blunder. 216 is still a new sub. German boats and French boats make huge difference between IN and PLAN in very good margin

Sorry to ask this stupid question but Why it is red in color?

View attachment 268446

Earlier it was like

View attachment 268447


It should be like

View attachment 268443


.............................

Primer and more coating been applied. I think it will undergo few more coating before the final product

 

[sathya]

Some one had explained non magnetic hulls can't submerge deeper,
while it's suited to around 50 meters depth of Mediterranean Sea.

So it's not a match for us

 

[TimeTraveller]

And who said we won't go for 216? Our tilt is towards German. That may not mean 214!!! We need to wait. Remember our requirements converged towards Sorayu Japanese subs? That's one big *** submarine with top notch technologies. 214 with non magnetic hull could be our choice... Anything less than this will be a blunder. 216 is still a new sub. German boats and French boats make huge difference between IN and PLAN in very good margin



Primer and more coating been applied. I think it will undergo few more coating before the final product

Coating or Tiles ?...................BTW thanks Sir.........

 

[Ind4Ever]

Coating or Tiles ?...................BTW thanks Sir.........

It should start with tiles