![]() The units of speed depend on the units you used to measure distance and time.The time is the time you measured and recorded in your data table.This distance is the same for every trial. In this case, the distance is the distance that you measured from the top of the drone to the bottom of the ball/cork.Speed is calculated by dividing the distance the drone traveled by the amount of time it took to travel that distance (Equation 1). For each trial, calculate the drone's speed.Enter the average times in your data table. ![]() Since you did five trials, you find this by adding up the times for each trial, and dividing the sum by five. For each amount of weight, calculate an average time.Record the new weight in the proper row of your data table. One at a time, remove a popsicle stick piece and the piece of tape holding it in place.This way you also include the weight of the tape. Record the drone's weight in your data table in the row for four popsicle stick pieces.Place your drone, with all four popsicle stick pieces still attached, on your scale and let the wires dangle off the edge (the wires are very light and will not affect your measurement too much, as long as you do not move them around).You avoid this problem if you only do one trial at a time for each weight. So, if you waited until the very end of your experiment to do all the trials for the heaviest weight, the drained batteries could affect your results more. Note: You might be wondering "Why can't I just do all five trials for each amount of weight at once, then add another popsicle stick piece and do five more trials, etc? The answer is that the longer your drone flies, the more it drains the batteries, and the less lift the propellers will generate.Record your results in a column for a new trial each time. Remove all of the popsicle sticks, and repeat steps 4–9 four more times.Repeat steps 7–8 for the third and fourth popsicle stick pieces, each time adding the next piece at a right angle to the previous piece.Repeat step 4 and record the result under Trial 1 in the row for two popsicle stick pieces.Drone with second popsicle stick added at a right angle to the first one. If it is too difficult to cut all the way through the popsicle stick, score it with the scissors first, then bend it to break it.įigure 17.Do not worry if they are not exactly the same size.Cut a popsicle stick into four pieces that are roughly the same size (Figure 14).Make sure the wooden dowels are as parallel as possible.Make sure the wires are loose and are not snagged on anything.If the drone flies up part of the way and gets stuck:.You can reverse the connection to the battery pack's wires, or swap the CW and CCW propellers between the motors. If you feel air blowing up, then the propellers are spinning the wrong way. If the propellers spin but the drone does not fly up, make sure they are spinning in the correct direction.If one or more propellers do not spin at all, double-check your wiring for loose connections.If your drone does not fly at all, or does not fly all the way to the top, follow these troubleshooting steps:.Turn the battery pack off to let the drone fall back to the bottom. It should fly up to the top of the dowels. ![]()
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