Vernier-Assist Throttles

June 22, 2020

McFarlane’s new assembly offers the best of traditional friction-type and vernier-type throttle controls. Operating on friction alone eliminates the need for threads, locking balls and pins. Simply turn the knob for fine adjustments, or push in or out for coarser movement. An adjustable friction lock secures the control in position, but is easily overridden in case of an emergency.

Without the cumbersome release button or complicated locking thread that are subject to jamming, the McFarlane patented roller action uses only friction to drive the vernier action. The friction control provides smoothness, precision, and safety when operating the throttle. These controls are FAA-PMA approved for installation in most single engine aircraft, and come with complete documentation,including ICA. 

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