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Search: Posts Made By: tiggerm0th
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Forum: Rumours & News
20th Feb 2008, 10:34
Replies: 3,239
Views: 1,137,521
Posted By tiggerm0th

MAGNETIC SLIP What are the sealing...

MAGNETIC SLIP

What are the sealing arrangements of the HP pumps? Do they have a double mechanical seal or are they magnetically coupled?

If they are magnetically coupled (mag drive) then they...
Forum: Rumours & News
18th Feb 2008, 22:13
Replies: 3,239
Views: 1,137,521
Posted By tiggerm0th

A good question - any "lights" in the fuel to...

A good question - any "lights" in the fuel to reduce the melting point would indeed result in a higher liklihood of caviation in the pumps, or could result in waxes in fuel lines to being stripped...
Forum: Rumours & News
18th Feb 2008, 22:07
Replies: 3,239
Views: 1,137,521
Posted By tiggerm0th

I somewhat agree. Not only that, if they had put...

I somewhat agree. Not only that, if they had put it onto manual, decreased demand on the engines then the blockage/inleakage/cavitation would have subsided then full thrust may have been regained.
...
Forum: Rumours & News
18th Feb 2008, 21:29
Replies: 3,239
Views: 1,137,521
Posted By tiggerm0th

Common mode failure.

Common mode failure.
Forum: Rumours & News
18th Feb 2008, 21:14
Replies: 3,239
Views: 1,137,521
Posted By tiggerm0th

Yes, that's right, and what is your point...

Yes, that's right, and what is your point exactly? A scuffed wall of a car tyre does not alter its stopping distance. A pump that shows evidence of caviatation does not particularily alter its...
Forum: Rumours & News
18th Feb 2008, 20:13
Replies: 3,239
Views: 1,137,521
Posted By tiggerm0th

Cavitation in itself does not cause a problem...

Cavitation in itself does not cause a problem unless there is failure of the components themselves as a result of it, or unless the effects of cavittion causes a significant degradation of...
Forum: Rumours & News
18th Feb 2008, 20:04
Replies: 3,239
Views: 1,137,521
Posted By tiggerm0th

Evidence of cavitations would be small pits on...

Evidence of cavitations would be small pits on the tips of the impeller blades of a certifugal pump, and in other key places of the pump (depending entirely on the design).

The pits are caused by...
Forum: Rumours & News
18th Feb 2008, 19:40
Replies: 3,239
Views: 1,137,521
Posted By tiggerm0th

Here's my theory then: (bearing in mind I...

Here's my theory then:
(bearing in mind I have no knowledge of the 777 fuel system - but that won't stop the D*ily M*il from quoting it):

Some seals/joints were deformed during the extreme...
Showing results 1 to 8 of 8


 
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