3D snorkel in GWX

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Does anybody know where is the 3D model for the snorkel in GWX?
I deleted all the snorkels in the file sensors.dat, but when I start the game all the uboots have a snorkel in 1944/45. So it seems that the 3D model are in a different file.
Does anybody know that file?
Thanks in advance.

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I found it.
The 3D snorkel in GWX3 is in the file: 8Km_Sensors.dat.
3 models for each type of uboot.