Hi! Richard.
I'm sorry but I disagree with your statement below that "the throttle is
always a power lever."
It is always the lever which regulates the intake of fuel and normally
associated with RPM. However if a Constant Speed Prop is restraining the RPM
to a fixed level then although the lever performs the same fuel control
function it is actually now controlling the POWER output of the engine
against the fixed RPM.
So Rotax or not you can be inflicting a call for an impossible(and therefore
damaging) power demand against the fixed constant RPM course pitched
propeller unless you have known manifold pressure parameters within which to
stay.
I will be very interested how you present your case and the outcome of the
argument you are destined to have.
Regards
Bob Harrison G-PTAG
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com]On Behalf Of Richard
Holder
Subject: Europa-List: G-OWWW first flight.
> On the Manifold Pressure question, without one you will never know whether
> you are running the engine constantly overloaded or not, with the CS
> prop.your throttle becomes a power lever since the RPM control is done by
> the prop.
Actually the throttle is ALWAYS a power lever, CS or no. What you mean, I
think, is that with CS the tacho is NOT a measure of power.
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