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Whats that sound?


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When spooling down the MiG-15 engine, you will notice an annoying sound, like someone has left a tool withing the engine. :huh:

 

I would like to know what causes that noise. I bet it's another awesome detail, Belsimtek has put into this module :)

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Its pretty realistic, sadly only the Mig15 has it.

 

This sound is made by the blades of the turbine, since they are only completely fixed in position if they are spinning.

 

So once the RPM is too slow, the blades can move a little litte bit, and thats the sound you hear.

 

btw. this sound can be heard at any airport worldwide. Every plane makes that noise.

 

Cheers

HeTzeR

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It's actually a relaxing sound :) mission accomplished... all OK.

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Its pretty realistic, sadly only the Mig15 has it.

 

This sound is made by the blades of the turbine, since they are only completely fixed in position if they are spinning.

 

So once the RPM is too slow, the blades can move a little litte bit, and thats the sound you hear.

 

btw. this sound can be heard at any airport worldwide. Every plane makes that noise.

 

Cheers

HeTzeR

 

Yep. Here's a good video how the blades are fixed and why they might rattle a bit:

 

The locking pin prevents them from moving fore and aft, but there's still a bit room to move up/down and sideways.

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That guy does awesome vids!!!!

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  • 2 weeks later...
  • 2 weeks later...

sitzt, wackelt und hat Luft :)

 

it really sounds like someone forgot a 1" wrench....

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