Safe assumption on your part. I was alluding to the accessory pad, which on
the Rotax 912/914 is available for (pick one, and only one) a vacuum pump, a
hydraulic governor, or an alternator. When ordering the Rotax you get to
specify either a vacuum pump or a constant speed prop as accessories, and
the B&C alternators (8 or 20 Amp) will fit the same pad according to the B&C
reps at AOPA Expo. Although I am planning to mount the 20 Amp B&C on my 914
I can not confirm from personal experience that it will actually fit.
Best regards,
Rob Housman
A070
-----Original Message-----
Behalf Of Paul Boulet
Subject: Re: 18 amps from a 914 !!!
Rob; when you said it would interfere with the constant speed prop is it
safe to presume you meant it would interefere with a hydraulic prop and not
an electric constant speed prop like the Air Master which I ordered? Thanks
Paul
Rob Housman <RobH@hyperion-ef.com> wrote: Subscribe to the
AeroElectric-List at http://www.matronics.com/subscription
and browse (or search) for a recent thread on "electric gyros" and you will
soon be convinced that it is beneficial to get rid of the unreliable vacuum
pump in favor of a second alternator for your all-electric panel. If you
plan to fly in the clouds this should be a no-brainer decision, but the
other trade-off is the constant speed prop you'll not have.
Browse the list some more and you will realize that 18 A is probably
adequate, but redundancy requires the second alternator anyway.
Best regards,
Rob Housman
A070
-----Original Message-----
Behalf Of Paul Boulet
Subject: 18 amps from a 914 !!!
Hi All;
I'm sorry to say that I've buried my head in the sand regarding the
relatively small amp output from the Rotax 914 I'm considering. It seems
unbelievable to me that a $15,000 turbo charged engine would have such low
amperage output...I mean geez.... the landing lights, strobe and
nav/position lights alone eat up 15 amps.
Is it true that the only option is to add a second alternator (in lieu of
vacuum so goodbye vacuum instruments)?
I'm planning my panel and seems that space in the 3/4 length panel isn't the
only limiting factor. Comments would sure be appreciated. Thanks
Paul Boulet, A212
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