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

Corporate Restructuring, Corporate Restructuring Corporate restructuring r...

Corporate Restructuring Corporate restructuring refers to the changes in ownership, business max, assets mix and alliances with a view to enhance the shareholder value. Hence, cor

Double cantilever beam, Double Cantilever Beam In the double cantilever...

Double Cantilever Beam In the double cantilever configuration, the ends of the sample are pulled apart, forcing a crack to propagate down the beam from one end. The figure belo

Circuit, I am looking for a circuit similar to a schmitt trigger which use ...

I am looking for a circuit similar to a schmitt trigger which use a varying capacitive input and provided a varying frequency output.

Flight dynamics - introduction, In the Aircraft Performance course, the air...

In the Aircraft Performance course, the aircraft was assumed to be in a steady-state (e.g. steady  cruise, climb, turn, glide), with the forces and moments balanced. The subject of

. CFD, HOW TO MAKE ROTATING FRAME

HOW TO MAKE ROTATING FRAME

Detect the percolation by GUI Matlab, the percolation should be visualize ,...

the percolation should be visualize , and the path of the sphere also. i wanna see the relationship between the number of sphere & the percolation . change the # of sphere and show

What is the difference between journal entry & ledger?, What is the differe...

What is the difference between JOURNAL ENTRY & LEDGER?  Journal is a journal of unique entrance. It is a journal where all the dealings of organization have been registered rela

Turbine cooling - aircraft engine, Turbine cooling  Airflow: Figure ill...

Turbine cooling  Airflow: Figure illustrates the turbine cooling airflow of a typical gas turbine engine. The outward flow of cooling air is controlled by air seals of multi-g

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