Sprag clutch - aircraft engine, Other Engineering

Assignment Help:

Sprag Clutch :

Sprag clutches are used to provide the disconnect mechanism between the starter motor and the engine. The clutch will transmit drive from the starter motor, but will disconnect the drive when the engine speed exceeds the starter. The clutch consists of two smooth concentric drive faces and between them a cage containing many elongated figure of eight shaped cams called "sprags". All the surfaces are hardened to reduce wear, and are lubricated by oil. The sprag are spring loaded in contact with the starter drive so that when the shaft starts to rotate the sprags stand up and contact the engine drive due to the cam action of their shape. See Figure 13.6. As engine RPM accelerates its drive will be faster than the starter motor and the clutch will automatically dis-engage as sprags get pushed back to their minimum height position.

Sprag clutches are used on most types of starter motor or in drives where one way drive is required such as helicopter gearboxes.

2318_Sprag Clutch.png


Related Discussions:- Sprag clutch - aircraft engine

Design structure matrix, what are the types of interactions in the design s...

what are the types of interactions in the design structure matrix?

LTE, WHATIS LTE CODING TECHNIQUES USE FOR MOBILE SYSTEM

WHATIS LTE CODING TECHNIQUES USE FOR MOBILE SYSTEM

Vlsi, how to find out the number of select lines while construcing a mux or...

how to find out the number of select lines while construcing a mux or a demux logic diagram?

Corporate debt market, identify the types of borrowers who have access to f...

identify the types of borrowers who have access to funds through the issue of debentures

Naval architecture and marine engineering, i have a coursework for finite e...

i have a coursework for finite element analysis of marine structure and i need help to solve it

Advantages and disadvantages of hot working and cold working, Q. Describe t...

Q. Describe the advantages and disadvantages of hot working and cold working processes. Explain the extrusion process. Ans. Advantages of hot working process

Asymmetric effect - propeller, Asymmetric Effect In general the axis o...

Asymmetric Effect In general the axis of the propeller will be inclined upwards to the direction of flight due to the angle of attack of the aircraft.   This causes the dow

Msor, write a note on tracing a closed loop.what are the characteristic,fea...

write a note on tracing a closed loop.what are the characteristic,features of a closed loop.

ALGORITHM, write an algorithm to find a number that multiplies your name 10...

write an algorithm to find a number that multiplies your name 10 times

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd