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Forum: Rumours & News

24th Oct 2009, 22:15

Replies: 3,239

BA038 (B777) Thread

Views: 1,137,481

Posted By Old Engineer

Just wanted to add a comment that (in my opinion)...

Just wanted to add a comment that (in my opinion) the test procedure for icing that was set up to replicate in some way the combination of limiting permissible conditions was the best way to go. It...

Forum: Rumours & News

13th Sep 2008, 17:54

Replies: 3,239

BA038 (B777) Thread

Views: 1,137,481

Posted By Old Engineer

Pumps in series

dxzh, in re your post #1969 of yesterday, on page 99:

Centrifugal pumps of conventional design can be operated in series; I have done design work with such arrangements. It does not matter...

Forum: Rumours & News

16th Aug 2008, 06:47

Replies: 3,239

BA038 (B777) Thread

Views: 1,137,481

Posted By Old Engineer

Thanks for reminding me of the alternate fuel...

Thanks for reminding me of the alternate fuel route. I agree with what you say in regard to the suction feed bypass valves.

I don't think that this (alleged, but assuming it did occur to some...

Forum: Rumours & News

14th Aug 2008, 21:55

Replies: 3,239

BA038 (B777) Thread

Views: 1,137,481

Posted By Old Engineer

Mechanic changing out frozen LP pumps at Heathrow?

In the comments section of The Register May 13, a Heathrow mechanic for 777s said large transports landing from long flights at altitude in cold conditions were showing up with booster pumps with...

Forum: Rumours & News

10th Aug 2008, 17:21

Replies: 3,239

BA038 (B777) Thread

Views: 1,137,481

Posted By Old Engineer

UK & USA centrifugal (LP) fuel pumps

The fuel pump pictured at Post #1636, lower item in the sketches, is the scroll case (etc) housing for the pump impeller, as manufactured in the UK by Eaton Aerospace Ltd for the B777. The impeller...

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