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Digital full size plans on Cd Control Line  F.A.I. Combat *BUMBLEBEE* Wingspan 44 ½”  Engine .15
Digital full size plans on Cd Control Line  F.A.I. Combat *BUMBLEBEE* Wingspan 44 ½”  Engine .15
Digital full size plans on Cd Control Line  F.A.I. Combat *BUMBLEBEE* Wingspan 44 ½”  Engine .15
Digital full size plans on Cd Control Line  F.A.I. Combat *BUMBLEBEE* Wingspan 44 ½”  Engine .15
Digital full size plans on Cd Control Line  F.A.I. Combat *BUMBLEBEE* Wingspan 44 ½”  Engine .15
Digital full size plans on Cd Control Line  F.A.I. Combat *BUMBLEBEE* Wingspan 44 ½”  Engine .15
Digital full size plans on Cd Control Line  F.A.I. Combat *BUMBLEBEE* Wingspan 44 ½”  Engine .15

Digital full size plans on Cd Control Line F.A.I. Combat *BUMBLEBEE* Wingspan 44 ½” Engine .15

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Description

Digital full size plans on Cd

Not a printed plan and no material supplied

*BUMBLEBEE*

An FAI combat ship with a wicked sting.

DIGITAL FULL SIZE PLAN prints on a 44” x 30” sheet files are PDF, JPEG and TIFF

DIGITAL FIVE PAGE Article of BUILDING NOTES files are PDF, and JPEG

Digital Bonus several article on building model airplanes files are PDF, and JPEG

Control Line

F.A.I. Combat

Wingspan 44 ½”

Engine .15

by Phil Cartier

   The Bumblebee FAI is the latest of my FAI designs, and is a compromise between a lot of conflicting requirements. Here is what I compromised in this design, and why. Size vs. speed: A bigger plane can always turn more tightly because it has more area to lift each ounce of weight. The Bumblebee carries 22 square inches per ounce of flying weight‑which is a bit on the low side, but I wanted to use a proven wing and a force setup that I knew worked. The turns can be improved markedly by building to a 13­ounce flying weight.

Weight vs. strength: Stronger is heavier, which is bad. Lighter is weaker, which is bad if you go too far. The classic aeronautic dictum is: "Build in lots of lightness, then beef it up where it breaks until it just holds together." This is great for maximum performance until a ham‑handed pitman grabs the plane in the wrong spot. The Bumblebee is built like a brick outhouse. If you mess up in the air and lose, club your opponent with it after the match. Later I will tell you where to save this "extra" weight‑but if you go the super tight route, just be sure to land gently.

General layout; I like my planes to be quick through the maneuvers and have a nice, stable feel to the controls. The relatively long span gives a reasonable span loading to reduce the speed loss in maneuvers

Thank you or looking

 

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