Tuesday, May 26, 2009
Mooney Ovation 3: Turbo Performance Without The Turbo
The Ovation 3 is the fastest normally aspirated production single ever—period
Take, for instance, the Mooney M20R Ovation 3. The current M20R is a third-generation Mooney, the beneficiary of a half century of development. Designer Al Mooney inarguably got it right the first time out of the box back in the 1950s when he created his four-seat M20. While today's airplane is light-years ahead of its ancestor in performance, comfort, systems, aerodynamics and electronics, you can still see the heritage of design—the arrogant, vertical tail; short, rubber doughnut gear; and tall baggage compartment.
Though it may not be the airplane Luke Skywalker would fly, the basic four-seat Mooney has aged at least as well as Christie Brinkley (who, more than coincidentally, is the same age) while nearly doubling climb rate and adding almost 100 knots to cruise speed.
In fact, Mooneys have consistently enjoyed speed disproportionate to their horsepower. The type has been among the world's fastest and most efficient personal airplanes since its inception. Today, the Mooney Acclaim S is the acknowledged leader in the turbocharged class, notching near-turboprop speeds on a measly 280 hp.
Similarly, the Ovation 3 is the quickest normally aspirated single—quite simply (or not so simply) the fastest production airplane above the planet without a blower under the bonnet. The Ovation 3 features essentially the same 310 hp Continental engine used on the Cessna Corvalis 350 and the Cirrus SR22-G3. (The only significant differences are associated with repositioning some items to accommodate the Mooney's retractable nosewheel.)
Mooney's Ovation 3 is actually an STC developed by Midwest M20 Mooney (www.midwestmooney.com) of Flora, Ill., but performed at the factory for the buyer who wants 310 hp rather than the standard 280 hp. The 3's Continental is rated for max continuous power at the 2,700 rpm redline, rather than the 2,500 rpm limit on the Ovation 2. The airplane can also cruise at the full 2,700 rpm, or you can pull back to 2,550 rpm, worth 262 hp or 85% power. Again, however, remember that the same engine is rated for as much as 350 hp in other applications, so the 262 hp limit represents only 75% of the max rating.
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Labels: Piston Singles