RC Model Control Surface Deflection Indicator "Goniometer"
Every model aeroplane KIT and ARF have a specified control surface travel for each control surface. Making sure that your model matches the designer’s specifications will turn a twitchy, nerve-racking handful of a model into a pussycat.
Coming in on a dead stick, the final approach is not the time to find out that you don’t have enough elevator control throw to keep the nose up!
The control throws can be easily measured, without the need for a third Hand, with this laser-inscribed Plywood Control Surface Throw Gauge.
The scale is calibrated in MM 0-80 mm plus and minus
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