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1. 11:48 AM - Rotax 912ULS overheating issues (Threadcharmer@cs.com)
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| Subject: | Rotax 912ULS overheating issues |
Is anyone else out there flying an Allegro 2000 with a 100 hp Rotax 912ULS?
I'm interested in finding out about any overheating issues. I just completed
my kit on amphibious Shark Floats after 18 months and can't get around the
pattern more than twice before having to land with the temp creeping up close to
275F. I've added more intake area to the front of the cowling, including one
set of openings that allows fresh air to flow directly over the cylinders.
I've also added a 2" naca vent to the top of the cowling with a hose flowing
directly to the radiator. In my last attempt, I removed the spinner (I was using
a 10" UHS) and the temperature came down about 10 degrees.
Most of the Allegros I've heard of are using the 80hp Rotax, which in my
opinion, can get away with the smaller radiator they left us space for. Any
further thoughts on the subject?
Dale Hackworth
splashlanding@comcast.net
Allegro 2000
N306AD
Hobe Sound, FL
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