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It doesn't need fins to move forwards, but fins are used to control rolling from side to side

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Q: Does a submarine need fins to move?
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Related questions

How do stabilizng fins help a submarine move?

Stabilising fins prevent a side to side rolling motion.


What do fins do for a submarine?

The fins help steer the submarine; making it be able to turn left or right.


What are the squids fins used for?

Fins are used by squids to move at low speeds. Their siphon is used when they need to move quickly.


What is are the fins called on a submarine?

fairwater planes


Why does a seahorse have small fins?

They just move with waves and float so they don't need huge fins.


Does a wobbegong have fins?

Yes. Wobbegongs are sharks, and need to be able to move freely in the water, so they do have fins. They have short caudal fins and much broader pectoral and pelvic fins.


What are stabilizing fins for a submarine?

what does the term stabilizing fin mean


What body part does a fish use to move?

Fins


Why are the fins on the submarines are used?

They are actually called "planes" on a submarine and allow it to maneuver underwater. Horizontal "planes" allow the submarine to go up/down, vertical "planes" allow the submarine to go left/right.


How sharks move in the water?

they move there fins and muscles to move in the water!


Which fins help the fish move slowly or in sculling motion?

ventral fins.


How submarine caused to submerge without use propulsion propeller and fins?

A submarine can submerge by filling ballast and trimmer tanks with sea water. The additional weight will take the submarine down. To resurface, the submarine will blow the sea water out of the tanks using compressed air. The air in the tanks make the submarine buoyant, so it rises and floats on the surface. Though a stationary submarine can submerge in this way, it usually submerges going forward and using diving plane (fins) to steepen the dive, so getting under the surface faster.