dfly_memos

dfly_memos - Memo #1: Dragonfly building and flying Unified...

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Memo #1: Dragonfly building and flying Unified team members, here's some additional information FYI. 1. I've put enough "c/a hinge papers" into the 'community property' boxes to cover everyone. There is an alternative using clear transparent tape: - Align the control surface and the fixed surface about 1/16" apart - this dimension isn't critical. Run a single piece of tape, 1" wide will do, down the separation line, rub it into the wood for a good bond. - Flip over the joined pieces and bend the elevator (or rudder) back 180 deg so its back-to-back against the fixed surface. Then put small pieces of the same tape (postage stamp sized) at several locations so that it touches the first piece of tape at the small gap; and then laps over front and back to the wood. This is easier to show than to write out in words - Omar Bashir did this trick yesterday, take a look at his plane. 2. Reversing switches on the transmitter. On the bottom surface of the transmitter are several small switches. These can be used to reverse the direction of the servos' rotation. The sequence of switches are as follows: #4 - unused #3 - throttle (be careful flipping this as it will turn the motor on even if the throttle stick is down) #2 - elevator (on right stick) #1 - rudder (on right stick) 3. Adjustable throw switches on the transmitter. On the front surface of the transmitter are 4 potentiometers that, when turned clockwise with a small screwdriver, adjust the total throw of the servos. You'd normally want to adjust ELE for elevator; and for adjusting your rudder, adjust the AIL potentiomete r as we're using the function for rudder that's normally used for controlling ailerons. 4. Receiver plug-ins. The servo and motor control connectors fit into the receiver in one orientation only - where the metal tabs visible on the connectors face towards the top of the receiver. Don't force a connector in upside down! The receiver ports are numbered and normally assigned as follows:
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This note was uploaded on 01/28/2012 for the course AERO 16.01 taught by Professor Markdrela during the Fall '05 term at MIT.

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dfly_memos - Memo #1: Dragonfly building and flying Unified...

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