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Search: Posts Made By: shawk
Showing results 1 to 9 of 9
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Forum: Rumours & News
17th May 2008, 18:13
Replies: 3,239
Views: 1,137,475
Posted By shawk

I'd speculate / assume / guess that the CVR has a...

I'd speculate / assume / guess that the CVR has a steep low frequency cutoff to improve voice intelligibility.
Forum: Rumours & News
17th May 2008, 16:42
Replies: 3,239
Views: 1,137,475
Posted By shawk

The profoundly toxic Honeywell Aerospace site...

The profoundly toxic Honeywell Aerospace site lists the Digital Flight Data Acquisition Unit used in the Boeing 777....
Forum: Rumours & News
17th May 2008, 09:19
Replies: 3,239
Views: 1,137,475
Posted By shawk

Thanks soem dood. I oversimplified my...

Thanks soem dood.
I oversimplified my description of the performance of a switched channel A/D by just combining the Nyquest minimum sample rate and the switching rate to sample two separate fuel...
Forum: Rumours & News
16th May 2008, 20:23
Replies: 3,239
Views: 1,137,475
Posted By shawk

Good analysis, johngreen. A spring loaded...

Good analysis, johngreen.
A spring loaded diaphragm, such as found in a non-return valve, would make a very interesting fluid motor.
A drawing of the valve would be very helpful, as would valve...
Forum: Rumours & News
14th May 2008, 19:33
Replies: 3,239
Views: 1,137,475
Posted By shawk

You may have experience with a water faucet that...

You may have experience with a water faucet that sometimes makes a loud, low rumble or rattle that is accompanied by a small volume of water that comes out of the tap in discrete spurts of water....
Forum: Rumours & News
14th May 2008, 15:18
Replies: 3,239
Views: 1,137,475
Posted By shawk

Fluidic resonance in a tuned circuit tends to be...

Fluidic resonance in a tuned circuit tends to be low frequency and is far less likely to be attenuated by the aircraft structure.
Interestingly, this noise would be very similar to tire rumble at...
Forum: Rumours & News
13th May 2008, 13:10
Replies: 3,239
Views: 1,137,475
Posted By shawk

From the report: "In addition, work has commenced...

From the report: "In addition, work has commenced on developing a more complete understanding of the dynamics of the fuel as it flows from the fuel tank to the engine."

This may suggest a...
Forum: Rumours & News
6th May 2008, 13:58
Replies: 3,239
Views: 1,137,475
Posted By shawk

The report notes that the fuel pumps show signs...

The report notes that the fuel pumps show signs of cavitation damage.
How would engine core icing cause fuel pump cavitation?
Forum: Rumours & News
28th Feb 2008, 21:39
Replies: 3,239
Views: 1,137,475
Posted By shawk

Acoustical piping resonance

Probably off topic and very unlikely, shrug.
Unusual acoustical standing waves in piping can restrict fuel flow. These are very difficult to recreate or analyze, as they leave little evidence. These...
Showing results 1 to 9 of 9


 
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