Includes standard barrel shape knob. Ball style knob P/N EC53 also available separately.
Vernier-AssistTM Throttle Controls for Dual Carburetor 912/914 Series Rotax Engines
Innovative design allows a neat, clean installation without a clunky splitter box
McFarlane invents a new type of vernier engine control
This new type of control has all the fine adjustment benefits of an old style push-button release vernier control, with the simplicity, responsiveness and jam-proof safety of a friction lock control.
These light weight controls use a patented roller action and do not use a positive lock thread engagement. Coarse adjustments are made by pushing the knob inwards or pulling the knob outwards. Fine adjustments are made by rotating the knob clockwise or counterclockwise. For extreme conduit routing or heavy carburetor load installation, slight inward or outward assist pressure could be required during rotation.
MCTV Throttle Series:
The new Vernier-Assist throttle control is adjustable for friction and vernier engagement and is available with three different end configurations. Requires a 3/4" panel hole. Available in a variety of standard lengths or can be custom fabricated to your unique requirements.
Installation Instructions: Standard Throttle and Dual Throttle Styles
Throttle Control with 10-32 threaded end:
Throttle Control with 1/4-28 threaded end:
Throttle Control with 5/64" dia 1x7 twisted stainless steel wire end:
Dual Throttle Control with 1/16" dia 1x7 twisted stainless steel wire ends:
These controls are not for use on certified aircraft, or for flight controls or flight control trim tabs.
We currently offer these new controls for use on non-certified aircraft only. However, we plan to obtain FAA-PMA approval to offer the new Vernier-Assist mechanism as an option on many of our currently approved controls for Cessna and Piper, as well as our popular MC600 universal mixture control.
|Service Bulletin 6|
|Current McFarlane Product Catalog|
|2009-03-20 Throttle Control for 912/914 Rotax Engines|
|2011-07-11 Controls for Experimental Aircraft and 912/914 Series Dual Carburetor Rotax Engines|
|2011-09-22 Vernier-Assist Mixture and Throttle Controls|
|Push-Pull Control Utilizing Linear & Rotational Input Patent # US 8,485,057 B1|
|MCT100D Controls Press Release|
|McFarlane Dual Quadrant Control Specifications|
|McFarlane Dual Throttle Control Specifications|
|Vernier-Assist Mixture Control Specifications|
|Vernier-Assist Throttle Control Specifications|
|McFarlane Newsletter 2009-12: Galvanized Cables, Wire Clamps, Gift Ideas|
|McFarlane Newsletter 2020-06-24: Beechcraft Baron and Bonanza Engine Controls, Cessna 200 Series Seat Rails, Coming Soon!|
|Extend the Life of Your McFarlane Throttle Control|
|Universal Vernier-Assist Control with Threaded End Installation Instructions|
|Universal Vernier-Assist Control with Wire End Installation Instructions|
|Vernier-Assist Mixture Control Installation Instructions|
|Vernier-Assist Piper Style Throttle Install Instructions|
|Vernier-Assist Standard Throttle and Dual Throttle Installation Instructions|
|Control Eligibility and Catalog Information|
I purchased a laser engraved knob and the thickness of the marking is very shallow. What kind of wear resistance can I expect?
Why is my new engine control too long/short?
What is the minimum bend radius for my engine control?
How do I trim my engine control to length?
My Vernier-Assist throttle control came apart during installation or maintenance. Can it be put back together?
My Vernier-Assist mixture control came apart during installation or maintenance. Can it be put back together?