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Question: Can I use the MU-9000X USB to measure my rudder deflection? Answer: Yes. Since the MU-9000X USB's measuring unit uses gravity as a reference, simply orient your airplane so that the rudder hinge line is parallel to the floor (fuselage on its side). For maximum accuracy, use axis 2 to ensure the rudder hinge line is level, then set your zero reference angle on axis 1. Question: What if I don't own an incidence bar? Answer: A high-quality, laser-cut jig is available from the Fly2Build Website. Just navigate to "Products", then to the "Plans, Books & Downloads" page. On the lower right you will see their incidence clamp which works beautifully with the MU-9000X USB. Question: The control throws for my plane are expressed in inches. How do I convert to degrees? Answer: The MU-9000X USB's built-in conversion utility will convert inches (or millimeters) of up and down deflection into degrees with a single mouse click. Question: How can I use the MU-9000X USB to measure control throws when programming Hitec digital servos? Answer: See "Programming Hitec Digital Servos" on the TIPS page for a detailed description. Question: Will the MU-9000X USB allow me to match my elevator halves or match my ailerons? Answer: Absolutely! The MU-9000X AP3 is perfectly suited for this. See "Elevator Setup" and "Aileron Setup" on the TIPS Page for details. Question: How can I measure wing/stab incidence or decalage with the MU-9000X USB? Answer: Most modelers who make these measurements already own an adjustable clamp for this purpose. Simply use your clamp as per its instructions and place the MU-9000X AP3 on the straight surface for making measurements. See "Measuring Incidence and Decalage" on the TIPS Page for details. Question: Can I use the MU-9000X USB as a level? Answer: Absolutely! The MU-9000X USB contains two precision electronic levels! This makes leveling tables or anything else a breeze because you can view both axes simultaneously! Question: When I make a control surface measurement, do the hinge lines have to be perfectly level or parallel to the floor? Answer: With any angle measuring device that references gravity, accuracy is maximized whenever "off-axis" tilt is minimized. The accuracy of the MU-9000X USB is extremely good with only an "eye-ball" estimate of level on the hinge line. However, it is easy to obtain perfect measurements by simply setting the hinge line level using the pre-programmed factory level on axis 2 then set your zero reference angle on axis 1. Question: Does the MU-9000X USB have to be in contact with a control surface while it's moving from zero to the plus and minus end points? Answer: The MU-9000X measuring unit does not have to be in contact with a control surface while it's moving in order to get accurate deflection readings. You can hold the MU-9000X to the control surface and set zero, then make a measurement at each end point. However, the provided nylon spring clamps, measuring plates and light weight make it very convenient to monitor angular changes throughout the entire range of motion including the end points. Question: Do I need a separate power supply to power the MU-9000X USB? Answer: There is no need for a separate power supply because the MU-9000X USB gets its power from your computer's USB (Universal Serial Bus) port. Question: Why are there clamps included with the MU-9000X USB? Answer: As an added convenience for adjusting linkages while monitoring the change in angle and in setting a zero. Question: How can I learn about model aircraft safety? Answer: The Academy of Model Aeronautics is an excellent resource for this. Question: What if I have a technical question not covered here? Answer: Please contact our technical support department at questions@aeroperfect.com if you have additional questions. |
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