German-built MEKO 200 frigate going from full ahead to emergency stop.
Previously:
Independence-class littoral combat ship - photo and video
JMSDF Mogami-class frigate - photo
Contra-rotating variable pitch propellers - GIF
Miniature variable pitch propellers and engines - video
Propeller feathering - GIF
carloski (Nov 8, 2022), durrelltn (Nov 15, 2022), Inner (Nov 12, 2022), mwmkravchenko (Nov 9, 2022), nova_robotics (Nov 8, 2022), Ralphxyz (Nov 8, 2022), Rangi (Nov 8, 2022), that_other_guy (Nov 12, 2022)
Could make for an interesting car cleaning service.
That must cause cavitation like crazy.
mwmkravchenko (Nov 9, 2022)
Poor transmission and propeller shafts too!
![](https://pinterest.com/pin/create/button/?url=https%3A%2F%2Fwww.homemadetools.net%2Fforum%2Fshowthread.php%3Fp%3D213449%23post213449&media=https%3A%2F%2Fs3.amazonaws.com%2Fhmt-newsletter%2Fhmt_avatar_200.jpg&description=Frigate Going from Full Ahead to Emergency Stop - GIF by motorhead - the shafts on these types of ships rarely change direction. What does change is the pitch of the propellor blades. This is what enables the reduction in speed to be done with less possibility of damage. Back in my steaming days it was done by reversing the direction of the steam turbine or the main diesel engines. This was often referred to as a "crash back.=" It was easy to break things and knocked loose everything t= "Pin It")
the shafts on these types of ships rarely change direction. What does change is the pitch of the propellor blades. This is what enables the reduction in speed to be done with less possibility of damage. Back in my steaming days it was done by reversing the direction of the steam turbine or the main diesel engines. This was often referred to as a "crash back." It was easy to break things and knocked loose everything that wasn't bolted down.
mwmkravchenko (Nov 13, 2022)
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