nullï» Overview: This rudder adjustment ruler solves the problem that it is generally difficult to adjust the rudder stroke of fixed-wing aircraft. It provides a high-precision adjustment solution for sports enthusiasts & fans who require higher precision flight. It can be applied to balsa fixed wing, EPO fixed wing or aerial survey unmanned aerial vehicle with higher precision.   Specifications:  Brand Name: Mayatech   Item Name: Rudder Angle Ruler  
Material: Aluminum Alloy 
Colour: Black, Blue, Yellow (optional)  Dimension:78mm * 90mm * 24.4mm  Weight: 30g Application: Suitable for For Balsa Wood RC Airplane Fixed Wing F3A Racing.  
Features:- A sponge is attached to the inside of the jaws, which can effectively protect the rudder surface of the fixed wing from damage.- The maximum opening & closing supports 20mm, which can support most of the fixed wing rudder size.- The angle measurement range is 0-80 degrees, covering all angles required for aerobatics.- The pointer is sharp, & both sides can read the value very accurately.- Built-in bearings, more smooth & reduce errors.- CNC machining of all aluminum alloy, anodized surface treatment, no fading, corrosion resistance.   How to Use:- Clamp the rudder angle ruler on the rudder surface of the fixed wing to be adjusted.- Raise the fixed wing with a bracket (purchased separately) to a level.- Then you can adjust the rudder stroke.   Package Included: 1x Mayatech Rudder Angle Ruler