IXD2 outperforming IXB?
First patrol in a IXD2, and I noticed something amis.
As a regular IXB driver I've noted that the accend/decend rate, at 90 RPM (a hair under 2 knots), is 3 meters per minute.
This IXD2 has an accend/decend rate of over 5 meters per minute at the same RPMs and speeed.
Anybody have an idé of how I can correct this for future patrols?
IXB: From 50 meters to 20 meters takes 10 minutes.
IXD2: From 50 meters to 12 meters in 7 minutes?!
VIIB: Slightly faster than the IXB, but nothing near as fast as the IXD2.
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