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Canovaro · 04-24-07, 04:40 AM

I am trying out Greyrider's en Raduz' hydrophone stuff.
Now I'm wondering, I read about listening on the hydrophone to propeller sounds, but I believe it's actually the engine you are hearing.

For example:
- A C2 has three prop blades. Yet you hear: Chug-chug-chug-chug.
- Shoot off the propeller with a torpedo or deck gun. The ship comes to a stop, but you still hear it on the hydrophone. Shoot up the engine compartment and it will silence.

:hmm:

04-24-07, 04:40 AM	#1
Canovaro Ace of the Deep Join Date: Mar 2007 Location: Netherlands Posts: 1,062 Downloads: 34 Uploads: 0	Hydrophone RPM: propeller or engine? I am trying out Greyrider's en Raduz' hydrophone stuff. Now I'm wondering, I read about listening on the hydrophone to propeller sounds, but I believe it's actually the engine you are hearing. For example: - A C2 has three prop blades. Yet you hear: Chug-chug-chug-chug. - Shoot off the propeller with a torpedo or deck gun. The ship comes to a stop, but you still hear it on the hydrophone. Shoot up the engine compartment and it will silence. :hmm: