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Part# 05-02431
MFR Model# 3/4-2NRI-F-1497
SizeDescriptionPart No.
3/4Two Lever Quadrant w/Friction05-02431


These quality quadrants have been in use for over 35 years in a wide variety of experimental and ultralight aircraft. All quadrants are made with AN standard hardware and aircraft-quality 6061-T6 or 2024-T3 Aluminum. All sizes and models can be utilized for a side mount, center mount, or dual-control hookup. Can be used in Pitts, Cub, Aeronca, Bakeng Deuce, Horizon 2, Dakota Hawk, Quicksilver, Mini Max, Dragonfly, X-Air, etc. If you have an aircraft, we have a quadrant that will fit your needs.

Model #2 - This internal non-reversing hookup quadrant is often used on the RV series and similar aircraft. Available in all four sizes with one, two or three levers. Friction or non-friction. L-series can achieve a throw up to 2-5/8".

Four sizes available:
Special series quadrants:
Large Series 4-78" wide x 4" tall. 13 oz.
Standard Series 4" wide x 3-1/2" tall. 11 oz.
3/4 series 3-7/8" wide x 3" tall. 10 oz.
1/2 series 3-7/8" wide x 2-5/8" tall. 8 oz.
RV-series 4" wide x 4" tall. 12 oz.
Panel Mount
4" wide x 3-1/2" tall 12 oz.
Twin Engine
4-7/8" wide x 4" tall 15 oz.
All weights are for two arms and friction. (Except twin engine).
Measurements do not reflect Lever lengths.


QUAD 1/2 N/R INT (1/2-2NRI) Im building a Zenith 750 SD. This throttle control is perfect for panel mounting. Any larger would be too big. Well made!

Kenneth E
June 16, 2020

Excellent as described and fast shipping

Wesley D
August 15, 2019


Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.