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These wings are just a few of the proto types built in the past few
months. All of the wings with speed 400 motors weigh 19 ounces.
The wing with the .02 is 20 ounces because of a different taping
schedual and heavier motor. The battery bay will accommodate a 7
or 8 cell battery pack. Bench tests show the 7 cell at
11,500 rpm and the 8 cell at 12,500 rpm. Burn time was 4 and 4 1/2
minutes respectively.
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The 7 cell is aranged side by side
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The 8 cell is made with two 4 sticks side by side
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Vacuum molded canopy and motor tray are taped in place with fiber
tape. The canopy is held in place with Velcro tabs. The air hole
in the canopy is not necessary but it looks cool.
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The motor/battery tray is set into the center section of the wing to
reduce the profile. The speed 400 motor fits against a stop molded
into the motor tray. A replaceable wire tie holds the
motor in place. There's plenty of room in the bay between the
motor and the battery bay to stow the speed control, plugs and switch.
The reciever is imbedded in the wing beneath the motor tray. A
section of the motor tray is cut out to provide access to the reciever.
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I had to see what it was like. At 20 times the price of the
speed 400 the Astroflight .020 brushless motor is worth every penny.
The smaller diameter motor fits in the motor cut-out with rubber shims.
At 23,000 rpm, with a 6/3 prop, the Astro-Zagi really cooks. I
hope to fly it past some radar soon.
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