Cruising Speed - Volvo Penta D5 Operator's Manual

Operation
32

Cruising Speed

For best fuel economy operations at full speed must be
avoided. We recommend a cruising speed that is at
least 10% below the maximum engine revolutions at
top speed (full throttle).
Depending on hull type, the choice of propeller, the
load and sea state etc., the maximum revolutions at
top speed may vary, but they should be within the full
throttle range; refer to Technical Data, page 67.
If the engine is unable to reach its maximum throttle
range, this may be due to a number of factors
mentioned in Fault handling, page 36.
Select a propeller with greater pitch if actual engine
revolutions exceed the full throttle range. Contact your
Volvo Penta dealer for advice.
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