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Home / Airframe Parts / Controls / Rachet /A-740 Rachet Control
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A-740 Rachet Control

17 Reviews 7 Answered Questions
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72-Inch84-Inch96-Inch120-Inch
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Overview

(Solid Wire End) Ratchet design provides detented positions under vibration conditions. Simple push-pull operation. Has .050" dia. stainless steel wire Core in flexible metal casing with polyethylene liner. Max temp rating 200-250 degrees. May be shortened as required. Max. travel 3-1/2". Available with black or red plastic knob.

Made in USA
   
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Reviews

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Really like these control cables. They move freely but they also dont creep in flight. Win win. Used in every Super Cub I have rebuilt with no complaints.

Pierce A Verified Purchase

A-740 CONTROL 84" RED KNOB
February 10, 2023

Dennis L Verified Purchase

A-740 CONTROL 72" RED KNOB
March 26, 2022

Kriegler L Verified Purchase

A-740 CONTROL 72" BLACK KNOB
March 21, 2022

Very good

Boyd W Verified Purchase

A-740 CONTROL 72" BLACK KNOB
February 8, 2022

Control cable looks great

Richard I Verified Purchase

A-740 CONTROL 72" RED KNOB
December 1, 2021

good value and quality product

Russell M Verified Purchase

A-740 CONTROL 72" RED KNOB
September 28, 2021

Deco E Verified Purchase

A-740 CONTROL 72" BLACK KNOB
September 28, 2021

I like it

Elton H Verified Purchase

A-740 CONTROL 96" RED KNOB
June 19, 2021

Received on time amd performs as I thought it would and should.

Len S
March 6, 2021

Where is the throttle control I ordered at same time?

William P
November 10, 2020

Q&A

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Please note, Pilotshop'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. Pilotshop 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.

Q: On the A-740 Ratchet Control Cable, how is the ratchet action applied and released? A twist of the handle?

This is not a locking cable. The shaft has internal notches, and as the knob is pushed in or pulled out you feel the ratchet effect which holds the cable in position.

Q: Regarding the A-740 Rachet Control: What is the diameter of the cable itself and the mounting hole in the panel?

The inner cable is .050" diameter, and the outer housing is 3/16" O.D.. The mounting hole is 3/8".

Q: A-0740 rachet control: the ratchet no longer works, i.e., it's a smooth push/pull without detents. Can this be fixed without taking the total control out? Just restoring the ratchet-dentent.

Per Vendor, First you would have to check if the spring is still in its slot. If it is, then you would have to take the total control out.

Q: Can the knobs be removed and replaced with metal ones that I have engraved? If so, what is the diameter and thread count on the knobs that are included (so I could match). Thanks.

The knobs can be removed if the cable is ordered that way, otherwise it is loctited on. The OD is 1 and the threads are 10-32. Please contact our sales department for price and lead time of special order controls.

Q: What is the maximum *useable* extension of the knob/control before the knob stops or is extended so far as to expose the .050 inner cable? Also, what is the diameter of the spiral casing?

The maximum extension is 3-3/8" and the diameter is 3/16.

Q: Is the A-740 ratchet control FAA Approved?

No. The only FAA PMA Approved ACS controls are the A-790-12 and the A-800-12.

Q: The detent pressure doesnt hold it in the position I want it. Is the a way to adjust the detent pressure?

No, the detent pressure cannot be adjusted.