SUBSIM Radio Room Forums - View Single Post - Contacts speed determining via turn count historically correct?

raduz · 04-15-07, 05:54 AM

Did the american sonarmen get the speed of contact using some kind of RPM reference chart, counting the RPM? Or it was only an utopia that had no real use?

04-15-07, 05:54 AM	#1
raduz Engineer Join Date: Sep 2006 Location: Slovakia Posts: 205 Downloads: 3 Uploads: 0	Contacts speed determining via turn count historically correct? Did the american sonarmen get the speed of contact using some kind of RPM reference chart, counting the RPM? Or it was only an utopia that had no real use?