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Module 17. Propeller

When the compressive force on a speeder spring is reduced, the propeller blades will

  • remain fixed.
  • fine off.
  • coarsen.

iccam asking:

why? if i reduce the speeder sreeng pressure the fly weight close and the pitc become finner

Community Comments (2)

M
Mysticdemon Posts: 1 01.04.2018 / 01:36
Since there is low force on the speeder weight that means less tension so the pilot valve will go up
If pilot valve goes up it reduces tension on spring which will increase oil pressure and make the blade more coarse
Watch this video from 9:25
Easy to understand

https://youtu.be/3qvpuUB8H0U



J
Jordi Posts: 198 18.06.2020 / 13:19
for anyone who doesnt have time to see the video here is an image which expresses perfectly what the question means also the answer is correct.https://www.flight-mechanic.com/wp-content/uploads/2017/07/7-17.jpg

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