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The MU-9000X USB from AeroPerfect is a precision angle measurement system which represents the most advanced angle-measuring technology available for R/C aircraft. Any angle on your aircraft can be measured with a resolution of .01 degrees in two axes simultaneously! The angle sensing unit contains a dual-axis, absolute inclinometer which utilizes MEMS (micro electro-mechanical systems) technology to accurately measure angles over the entire 360° range!

This advanced MEMS technology allows the sensing unit to be small and light-weight (slightly over 2 ounces including the measurement plates and clamps) which makes it ideal for setting up and measuring wing incidence / stabilizer incidence, decalage, and control throws on aircraft ranging from park flyer to giant scale. It's also perfectly suited for setting up gliders, sailplanes and smaller electric aircraft conveniently and with great precision. The sensing unit simply plugs into the standard USB port of any laptop or desktop computer running Windows XP, Windows Vista or Windows 7. Angle measurements are sent from the MU-9000X measuring unit to your computer hundreds of times each second!

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The MU-9000X USB is accompanied by advanced software that provides pilots with many powerful and useful features. A zero reference angle can be set anywhere without the need to level your aircraft first! A single click is all that is needed to set your zero angle reference. And since the display and measuring unit are isolated from one another, there is no chance for interaction when setting zero.

Setting control throws for ailerons, elevators, rudder or flaps is a breeze. Setting aileron differential and dual rates is a cinch! Simply set your zero reference angle and key in your desired +/- control throw angles. Use the end-point adjustment on your radio to precisely set your control surface deflection. The MU-9000X USB will let you know when the control surface has reached your desired angle by illuminating a green color bar. You choose when the color bar displays green by how you set the desired angle tolerance from a drop-down menu. A Large Digit View is provided for easy viewing in two measurement axes simultaneously.

The MU-9000X USB allows you to keep track of all your aircraft's setups. Simply provide your configuration with a name and save it on your computer (e.g., "GP Extra 300 Left Aileron" or "Pitts Python Upper Wing Incidence"). You can even share your measurement configurations with other AeroPerfect users by e-mail! Please see this review done by Fly RC Magazine.

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Screen Shot Zero Reference	Screen Shot +45 Degrees	Screen Shot -45 Degrees

Measuring engine thrust angle has never been easier! MU-9000X USB's +90 / -90 feature allows you to read engine thrust angle directly from your computer display without having to subtract 90 degrees from your measurement! This COMPREHENSIVE REVIEW of the MU-9000X USB conducted by RC Universe shows the many advantages and features of this precision setup tool. The MU-9000X USB has also been reviewed in detail by RC Sport Flyer Magazine.

And what if your Aircraft's control surface deflection is expressed in inches or millimeters? The AeroPerfect MU-9000X USB's built-in conversion utility will convert from either inches or millimeters (or any linear measurement units) to degrees with a single click! These angles are automatically loaded into the + and - target windows (your desired angles).

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Left Aileron Zero Reference	Aileron Up Large Digit Screen	Aileron Down Large Digit Screen

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Setting Aileron Differential is a Breeze!	Setting Rudder Deflection has never been Easier!	Simple, Quick & Accurate Radio Programming

The MU-9000X USB does not suffer from the many shortcomings of other R/C aircraft angle measuring devices. Parallax errors, the need to level your aircraft first, "pendulum oscillation", low battery, excessive weight, lack of useful angular range- are all things of the past!