Part# 11-02058
MFR Model# T2-10A
RAC Servo Sys.Part No.Output
Travel Time
T2-10A11-020581.0 in.16 sec.


Ray Allen servos were designed specifically to control trim surfaces in homebuilt aircraft. They can also be used to operate other mechanisms within your aircraft, thus eliminating the need for bulky cables and pulleys.

Ray Allen servos operate on 12-14 volts DC. When activated they push or pull with tremendous force. Since this thrust is generated by means of a jackshaft (T2 series) or a jackscrew (T3 series), the output shaft will lock in any position when the electrical power is off. They will automatically stop when their travel limit is reached. No electronics are used to control Ray Allen servos and they will not travel unless power is switched on by the pilot. Voltage polarity determines the direction of travel.

Ray Allen has three different T2 and T3 servos available:

T2-7A servo has .7" (17mm) travel

T2-10A servo has 1.0" (26mm) travel

T3-12A servo has 1.2" (31 mm) travel

The miniature T4-5 is designed for installation in very small ailerons and rudders. It is not recommended for elevator trim. The internal working mechanism is, in principle, the same as that used in the T3 series servo.

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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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Good well made product

Robert M Verified Purchase


January 12, 2022

Ive used them without problems, for decades.

Peter C Verified Purchase


August 27, 2021

Works as expected, no surprise.

Matthieu D
May 1, 2020

Had to redrill mounting holes but works perfect.

Billy R
August 11, 2019


Please note, Aircraft Spruce'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 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: Can I use the RAC Trim Servos in an amphibious aircraft where water splashes?

They are water resistant but not water proof. If mounting in a water prone area it is high recommended to special order a trim servo designed for this application.

Q: Is there a built in position sensor or do I need to purchase it separately?

Per the supplier: It is built in.

Q: Do the servos come with the clevises and push/pull rod?

No it does not. You will need to order Part # 11-02040 for these.

Q: What is the max current draw of the RAC electric trim servo?

Per the manufacturer: No load current is 150ma

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