912 performance
Posted: Sat Feb 18, 2012 10:10 am
Ian, I changed the thread line as tyhe discussion has gone away from "fuel
sight gauges.
While I'm running the 912 and not 912S, it sounds like you're missing out on
at least 20% of you're power range at 5400. While you will notice some
difference in fuel consumption, climbing at 5800 and cruising at 5400, you
will like the added performance/speed when you need or want it. Of course
when you just want to soar and explore, you can always throttle back.
I use a 3-blade Ivoprop, in-flight adjustable, but it is not recommneded for
the 100hp. Too bad because you get great performance range and fuel economy
and all that for about $1000 US.
I regularly push my rpm to 6000 on take off to get off the water in short
distances and ease back within a minute or two max, then 5800 to altitude
for up to 5 minutes and cruise at 5400.
I read an article a few years ago by a company who operated a fleet of 912's
and one common problem they reported was that their pilots babied these
engines too much.
Like Bob said, we get 90kts cruise with the 80hp.
Hope this helps,
Aurele
R063
P.S. I assume you have the airbox with your 100hp, and if so would
appreciate any pics on that set-up, with corresponding cold and hot air
intake setup. Just send to me offllist if you can.
----- Original Message -----
From: "IAN DONALDSON" <allsure@bigpond.net.au>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, February 15, 2005 6:20 AM
Subject: Re: Rebel- fuel sight gauges
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sight gauges.
While I'm running the 912 and not 912S, it sounds like you're missing out on
at least 20% of you're power range at 5400. While you will notice some
difference in fuel consumption, climbing at 5800 and cruising at 5400, you
will like the added performance/speed when you need or want it. Of course
when you just want to soar and explore, you can always throttle back.
I use a 3-blade Ivoprop, in-flight adjustable, but it is not recommneded for
the 100hp. Too bad because you get great performance range and fuel economy
and all that for about $1000 US.
I regularly push my rpm to 6000 on take off to get off the water in short
distances and ease back within a minute or two max, then 5800 to altitude
for up to 5 minutes and cruise at 5400.
I read an article a few years ago by a company who operated a fleet of 912's
and one common problem they reported was that their pilots babied these
engines too much.
Like Bob said, we get 90kts cruise with the 80hp.
Hope this helps,
Aurele
R063
P.S. I assume you have the airbox with your 100hp, and if so would
appreciate any pics on that set-up, with corresponding cold and hot air
intake setup. Just send to me offllist if you can.
----- Original Message -----
From: "IAN DONALDSON" <allsure@bigpond.net.au>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, February 15, 2005 6:20 AM
Subject: Re: Rebel- fuel sight gauges
G'day
So, if I fly to the north of Australia nearer the equator the Rebel won't
spin at all?
RegardsActually, it means you spin to the left instead of the right!
Ian>
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