BlackEagle540 on Climb Out Photos of an Experimental Modified
Christen Eagle
The original BlackEagle540 mission team set out to build an Unlimited Class precision flying and competitive aerobatic aircraft from the original Christen Eagle II airframe design. Twenty years earlier, stock 6 cylinder motors and fixed pitch propellers launched the world famous "Eagles Flight Team", but these aircraft lacked sufficient roll rates and were under powered by today's competitive standards. Over the course of the last five years, Avanzata AirWork has completed building and testing over one hundred modifications to the basic Eagle airframe. Last year Avanzata installed a 310+ horsepower high-tech power plant, highly modified induction and exhaust systems, the M&T 200 constant speed wooden propeller, and an Airflow Performance fuel injection system. With a power plant producing over 1490 pounds of static thrust, and having a ramp weight of 1130 pounds today, this former stock Eagle joins the ranks of a hand full of other ULTRA POWERFUL aerobatic biplanes we call a;


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Blue BallAir-to-Air Series - Numerous Attitudes in Flight - RecentRed Ball
Blue BallChristen Inverted System - Drawings of the Oil SystemRed Ball
Blue BallConstruction Photos - States of Modification and ExperimentRed Ball
Blue BallCurtis Pitts Patents - High Performance Biplane Design InfoRed Ball
Blue BallDetails & Close Up Photos - Little Stuff that takes ForeverRed Ball
Blue BallFuel Pump ADs - Frequently overlooked common DangerRed Ball
Blue BallGallery of Planes - Aircraft of "Interest" GalleryRed Ball
Blue BallGallery of Recent Mods - 1998 BeefRed Ball
Blue BallGathering Places - Where Muscle Biplanes Fly?Red Ball
Blue BallGround Testing Before 1st Flight - The BlackEagle540 RolloutRed Ball
Blue BallMORE Air-to-Air Series - Attitudes in Flight - PrototypeRed Ball
Blue BallPeople and the Plane - The Interested and the InterestingRed Ball
Blue BallProject Ideas, & Considerations - Stinker ChangesRed Ball
Blue BallSix Cylinder Weight & Balance - Aerobatic Envelope StudyRed Ball
Blue BallSmoke & Aux. Fuel - Tanking UP to meet Our needsRed Ball
Blue BallSpring Landing Gear Mods - Apply to many Spring GearRed Ball
Blue BallStock Eagle Photos - Where the Project StartedRed Ball
Blue BallThe Motor - POWER - 50% of the Competitive EdgeRed Ball


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Americans Love Biplanes

We seek here to improve upon the basic Two Wing design, and grow Aerobatics with this proven technology. Safe, Strong, Light, and PROVEN Biplane construction provides security throughout it's redundant structures and inherently simple and lower cost components and materials.
If you love Biplanes, join our Biplane ThinkTank by providing your email address below. We would like to share everything there is to know about the modern Aerobatic Biplane, and would be glad to accept your articles and photographs for posting here.  If you own a Pitts, Eagle, Stinker, or any competitive biplane you owe it to yourself to join this group and share the knowledge. 

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| The Eagle Interchange  |  The MuscleBiplane Organization  |

| Avanzata AirWork  |  Serious Aerobatics  |
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