Thanks for your comments. I use the normal log to give me STW and gps to give SOG both are very close it’s not a very strong tide we’re I am.
No the revs haven’t dropped at all it will still rev to 2600 and it gets there quite quickly and easily in
Thanks for the welcome and thank you both for your input. The boat is a Sealine 450S with twin Volvo Penta 71 380 hp each. I take the point...
Can anyone help. Am I right in thinking the relationship between engine rpm and boat speed so long as the gearbox is good should remain fairly...
