An turbo charged engine that loses upper deck is NOT a naturally aspirated engine. A turbocharged TSIO 550 develops 100% takeoff power at 38.5 inches and 2700 RPM. If you lose a hose coupling at sea level the most you might get out of this engine is 29 inches-- making a go around rather interesting.

engiengine just becomes a naturally
aspirated IO550.

Jeff

-----Original Message-----
From: Ron Laughlin <ronlaughlin@gmail.com>
To: lml@lancaironline.net
Sent: Mon, Sep 13, 2010 7:34 am
Subject: [LML] Re: Engine failure ATC Transcript Super Legacy Twin Turbo TSIO 580

> Has anyone heard of the Turbo sr22 Cirrus having this sort of problem. It
> does not have the exhaust interconnect that the typical tsio-550 has. It has

Yes. This has happened a few times in SR22TN's. Usually it occurs
right after maintenance work has been done and the hose clamps were
not tightened correctly.  The engine just becomes a naturally
aspirated IO550. I am not aware of any accidents or forced landings
associated with the event....just some minor underwear damage.

Ron

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