From: AOPA_ePilot@aopa.org

Subject: LYCOMING DEVELOPS MORE POWERFUL ENGINE

Lycoming has developed its most powerful normally aspirated
four-cylinder engine. Dubbed the IO-390-X, the
390-cubic-inch-displacement engine features fuel injection and

develops

210 hp. The engine is made of factory-new parts and has a 2,000-hour
TBO. It burns 11.1 gallons per hour at 65-percent power and weighs 308
pounds dry. Lycoming built the engine in response to the needs of
kitbuilders; it initially will be offered to the homebuilt market.
Following a market assessment, the company anticipates that it will
certify the model for production aircraft by 2004. An aerobatic

version,

the AEIO- 390-X, will also be offered. The company has not yet

provided

a price.

Jeesh, too little too late?  What about Superior's IO380 that develops
250 horse?  It's been mentioned here that the Superior engine is

really

a LyCon design... they build 'em up for experimenters.<<<

  Marc Wiese

Interesting 136.5 HP at 66.6 pounds per hour .49 BSFC. Not all that
great.
In fact a rotary can do better.

Paul Lamar

[Todd Carrico]
Can't even imagine the torque pulses....

 
The AirCraft Rotary Engine NewsLetter.              Powered by Linux.
ACRE NL web site. Copyright 1998-2002 All world wide rights reserved.
http://home.earthlink.net/~rotaryeng/            http://www.linux.org