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Search: Posts Made By: Uplinker
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Forum: Tech Log
9th Apr 2021, 09:55
Replies: 61
Views: 37,753
Posted By Uplinker

All the hydraulic systems have multiple...

All the hydraulic systems have multiple accumulators to smooth out the pressure delivery. Accumulators also assist the main pumps by supplementing the system pressure when a large demand is made -...
Forum: Tech Log
24th Nov 2019, 10:41
Replies: 61
Views: 37,753
Posted By Uplinker

By the letter of the law, perhaps. However, I for...

By the letter of the law, perhaps. However, I for one would not take-off with a known hydraulic problem that was a ‘No dispatch’ item in the MEL.

It must have been something else in this case. I...
Forum: Tech Log
23rd Nov 2019, 09:36
Replies: 61
Views: 37,753
Posted By Uplinker

That file won’t download for me. Sorry, I don’t...

That file won’t download for me. Sorry, I don’t know the answer. The only reason I can think of if the PTU was running after the second engine start is a faulty PTU or low pressure in the green or...
Forum: Tech Log
23rd Nov 2019, 08:09
Replies: 61
Views: 37,753
Posted By Uplinker

Are you certain it was the PTU and not an...

Are you certain it was the PTU and not an electric motor running? They have different sounds, but I cannot easily explain in text how they differ, except to say that an electric motor driven...
Forum: Tech Log
27th Jan 2013, 10:10
Replies: 61
Views: 37,753
Posted By Uplinker

No problem IFix - we all have our bad days....

No problem IFix - we all have our bad days. Apology accepted; I will remove my reference to it :)

Chris; yes, that is exactly what I am refering to; The accumulator smooths pressure fluctuations...
Forum: Tech Log
26th Jan 2013, 07:59
Replies: 61
Views: 37,753
Posted By Uplinker

Ifix; Can you tell me how long the PTU must run...

Ifix; Can you tell me how long the PTU must run before the ECAM memo displays HYD PTU? - is it instantaneous, or after so many seconds? I fly the thing every week, but cannot remember what the PTU...
Forum: Tech Log
25th Jan 2013, 11:17
Replies: 61
Views: 37,753
Posted By Uplinker

IFiX, That is really interesting stuff; (I was an...

IFiX, That is really interesting stuff; (I was an electronics engineer (not aircraft) before becoming a pilot). A little gem for the examiner on my next line check !

Does memory serve me right...
Forum: Tech Log
24th Jan 2013, 13:13
Replies: 61
Views: 37,753
Posted By Uplinker

Hmmm... Don't know. It does not seem normal...

Hmmm...

Don't know. It does not seem normal to me.

The PTU works when difference between the hyd pressure is more than 500 psi in either direction, (from memory). It is normally heard on engine...
Forum: Tech Log
24th Jan 2013, 12:56
Replies: 61
Views: 37,753
Posted By Uplinker

In our company, when we taxy in, we shut down...

In our company, when we taxy in, we shut down engine 2 after its cool down period. Before we do this we start the APU (to replace the genny) and start the Yellow Electric pump. So no need for PTU to...
Showing results 1 to 9 of 9


 
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