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Search: Posts Made By: mrfox
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Forum: Tech Log
1st Nov 2019, 17:16
Replies: 73
Views: 12,173
Posted By mrfox

From the text referenced above - locked rotor is...

From the text referenced above - locked rotor is not necessarly less drag than windmilling - it depends on the bypass ratio. In straight jets and low bypass fans the losses from the increased flow...
Forum: Tech Log
1st Nov 2019, 07:29
Replies: 73
Views: 12,173
Posted By mrfox

Further research on the topic of spillage drag...

Further research on the topic of spillage drag has led me to the text Gas Turbine Performance (P.Walsh/P.Fletcher) where it mentions spillage drag can range from 10 - 20 percent of internal drag in a...
Forum: Tech Log
1st Nov 2019, 03:15
Replies: 73
Views: 12,173
Posted By mrfox

In the B-36, the jet engines are only used for...

In the B-36, the jet engines are only used for the high speed dash over the target area. During cruise on piston power, nacelle doors cover the unused jet intakes. This design seems to run counter to...
Forum: Tech Log
23rd Oct 2019, 23:14
Replies: 73
Views: 12,173
Posted By mrfox

Think of a helicopter. Which would come down...

Think of a helicopter. Which would come down faster? Windmilling or stationary rotor?
16th Sep 2018, 01:47
Replies: 156
Views: 77,834
Posted By mrfox

You are just pretending to be that oblivious...

You are just pretending to be that oblivious right?
Forum: Tech Log
2nd Sep 2018, 08:58
Replies: 36
Views: 4,853
Posted By mrfox

How would you say THR DES DES?

How would you say THR DES DES?
24th Jul 2018, 21:34
Replies: 21
Views: 6,816
Posted By mrfox

Not to mention: Uncommanded Turns When LNAV ...

Not to mention:
Uncommanded Turns When LNAV is in Use
Control Panel (MCP) Altitude Window Changing Without Pilot Action
Uncommanded Autothrottle Movement on the Ground
VNAV Descent ...
22nd Jun 2018, 01:15
Replies: 31
Views: 13,729
Posted By mrfox

Ah yes, just look at how much your union has...

Ah yes, just look at how much your union has accomplished compared to the mostly ‘local’ flight attandents union and tell me who the pussies are in this 3 way relationship.

“But... but...but... we...
Forum: Tech Log
30th Mar 2018, 12:37
Replies: 22
Views: 4,446
Posted By mrfox

How does this V/S mode differ from traditional...

How does this V/S mode differ from traditional PID control system design?
Forum: Tech Log
6th Dec 2017, 19:26
Replies: 80
Views: 16,863
Posted By mrfox

from last week: The complex failure scenario of...

from last week:
The complex failure scenario of the second Soyuz rocket launch from Vostochny continued emerging in the days following the accident. Although the culprit had quickly been pinned down...
Forum: Tech Log
5th Dec 2017, 22:09
Replies: 42
Views: 8,074
Posted By mrfox

Its a (guarded) pushbutton on the bus, and...

Its a (guarded) pushbutton on the bus, and labeled as such. :)
Forum: Tech Log
10th Nov 2017, 03:25
Replies: 39
Views: 7,504
Posted By mrfox

Thank you. And digging into the books for the...

Thank you. And digging into the books for the A330 it appears the pitch trimmer here does the same thing - positions the bogie nose up on gear down selection. So the nose up orientation is very much...
Forum: Tech Log
7th Nov 2017, 23:00
Replies: 39
Views: 7,504
Posted By mrfox

Any idea what the bogie orientation would be in...

Any idea what the bogie orientation would be in this case?
Forum: Tech Log
6th Nov 2017, 14:57
Replies: 39
Views: 7,504
Posted By mrfox

Good info - thank you. Just to satisfy my...

Good info - thank you.
Just to satisfy my curiosity, what would it look like then if we do a gravity drop with no hydraulic pressure? Is this something thats ever done in mx on jacks?
Forum: Tech Log
6th Nov 2017, 14:21
Replies: 39
Views: 7,504
Posted By mrfox

My question is - if this is the case - why does...

My question is - if this is the case - why does it go to the same nose up position initially on takeoff? Seems to be a lot of unnecessary acrobatics for it to pitch nose nown on rotation, then...
Forum: Tech Log
5th Nov 2017, 01:26
Replies: 39
Views: 7,504
Posted By mrfox

Just watch a 330 or 777 (non-er so no bogie lock)...

Just watch a 330 or 777 (non-er so no bogie lock) on take-off. The bogie stays level with the ground as the ac rotates around the center of the bogie - so relative to the ac it is nose down. Then as...
Forum: Tech Log
5th Nov 2017, 01:48
Replies: 39
Views: 7,504
Posted By mrfox

My thoughts - I think the gear toe orientation...

My thoughts -
I think the gear toe orientation is a result of gravity - the heavier end hangs down . Demonstrated by the fact that most gear hang the same orientation during gravity extension w/o...
14th Sep 2017, 00:01
Replies: 53
Views: 19,319
Posted By mrfox

Long enough to remember how B scale undercut A...

Long enough to remember how B scale undercut A Scale?
8th Sep 2017, 03:43
Replies: 104
Views: 63,545
Posted By mrfox

And what happened to all the ban breakers who...

And what happened to all the ban breakers who joined during the last ban? Most are now Captains with a 2 year seniority lead over those who respected the ban.
Fooled me once.
Forum: Questions
11th Jul 2017, 17:26
Replies: 15
Views: 2,769
Posted By mrfox

Its a technique called thrust bump and no longer...

Its a technique called thrust bump and no longer in our FCTM. The logic is as follows:
The thrust levers don't move when A/T is active in the CLB detent. The actual thrust being commanded can be...
Forum: Tech Log
22nd Jun 2017, 12:42
Replies: 17
Views: 5,262
Posted By mrfox

https://en.m.wikipedia.org/wiki/Cathay_Pacific_Fli...

https://en.m.wikipedia.org/wiki/Cathay_Pacific_Flight_780
Forum: Tech Log
17th Jun 2017, 12:25
Replies: 3
Views: 2,065
Posted By mrfox

Blue autorun only came about with the electric...

Blue autorun only came about with the electric rudder mod. Older 330s with the mechanical cable rudder did not have this.
Forum: Tech Log
17th Jun 2017, 12:02
Replies: 18
Views: 4,910
Posted By mrfox

Where's the PTU in a 330?

Where's the PTU in a 330?
19th Apr 2017, 17:10
Replies: 63
Views: 24,132
Posted By mrfox

http://poverty.org.hk/sites/default/files/data-gra...

http://poverty.org.hk/sites/default/files/data-graphics/PovertyLine_2009to2014.jpg
15th Apr 2017, 23:05
Replies: 163
Views: 127,294
Posted By mrfox

No, you sound exactly like how we imagine a RJ...

No, you sound exactly like how we imagine a RJ pilot would sound. Good job.
Showing results 1 to 25 of 146
 


 
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