PPRuNe Forums - Search Results
PPRuNe Forums

Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Wikiposts
Today's Posts
Search
Vendor Directory
Search: Posts Made By: SNS3Guppy
Showing results 1 to 17 of 17
Search took 0.00 seconds.
Forum: Tech Log
7th Oct 2008, 04:06
Replies: 95
Views: 16,000
Posted By SNS3Guppy

I currently fly the 747, yes. And no...no 747...

I currently fly the 747, yes. And no...no 747 has ever been successfully flown, much less landed, following loss of all four hydraulic systems, using the alternate trailing edge flaps.

Why do I...
Forum: Tech Log
3rd Oct 2008, 01:28
Replies: 95
Views: 16,000
Posted By SNS3Guppy

A 747 lacking hydraulics has been flown and...

A 747 lacking hydraulics has been flown and landed using alternate flaps for pitch control? Really? Where and when?



Under normal operation the gear doors close, but not in alternate...
Forum: Tech Log
2nd Oct 2008, 21:07
Replies: 95
Views: 16,000
Posted By SNS3Guppy

Sure you do. I just told you. Two motors; one...

Sure you do. I just told you. Two motors; one for in board flaps, one for outboard flaps.



Why does putting the gear down cool electric flap motors? Further, for a given airspeed, how does...
Forum: Tech Log
2nd Oct 2008, 20:34
Replies: 95
Views: 16,000
Posted By SNS3Guppy

Gear isn't really applicable to electric flap...

Gear isn't really applicable to electric flap motors. In fact, the motors are working a lot harder under an airload to move the flaps, than they might on the ground.



Some motors? There are...
Forum: Tech Log
2nd Oct 2008, 19:15
Replies: 95
Views: 16,000
Posted By SNS3Guppy

I'm not sure how deft one could be with those...

I'm not sure how deft one could be with those controls. As stated before, they take over five minutes to move full travel; they're very, very slow. Additionally, per some manuals, they work hard; a...
Forum: Tech Log
1st Oct 2008, 22:36
Replies: 95
Views: 16,000
Posted By SNS3Guppy

If you're talking about a hydraulic loss, what...

If you're talking about a hydraulic loss, what those "bloody control cables" would be doing is...nothing. They only port hydraulic fluid to actuators...and without any fluid, you'd be doing nothing...
Forum: Tech Log
1st Oct 2008, 18:15
Replies: 95
Views: 16,000
Posted By SNS3Guppy

I imagine that in extremely calm conditions, the...

I imagine that in extremely calm conditions, the alternate flap switches could be used to effect pitch change, though that might make for an interesting approach and landing. Travel on the normal...
Forum: Tech Log
1st Oct 2008, 17:43
Replies: 95
Views: 16,000
Posted By SNS3Guppy

In the Classic, are you talking about trying to...

In the Classic, are you talking about trying to vary pitching using alternate flap extention?

The elevators are powered by hydraulics, with no manual reversion. The stabilizer trim system is...
Forum: Tech Log
1st Oct 2008, 07:35
Replies: 95
Views: 16,000
Posted By SNS3Guppy

If you say so.

If you say so.
Forum: Tech Log
1st Oct 2008, 05:14
Replies: 95
Views: 16,000
Posted By SNS3Guppy

Say again?

Say again?
Forum: Tech Log
30th Sep 2008, 13:34
Replies: 95
Views: 16,000
Posted By SNS3Guppy

Not an option in flight, of course.

Not an option in flight, of course.
Forum: Tech Log
30th Sep 2008, 09:18
Replies: 95
Views: 16,000
Posted By SNS3Guppy

Again, perhaps you're talking about the 744,...

Again, perhaps you're talking about the 744, because the Classic's procedures are clear; do not use gear or flaps with windmilling hydraulics. The demand is great enough with gear that additional...
Forum: Tech Log
29th Sep 2008, 20:42
Replies: 95
Views: 16,000
Posted By SNS3Guppy

Not necessarily. Some APU installations permit...

Not necessarily. Some APU installations permit airborne operation, and some don't. Where the APU in flight operation is permitted, it's restricted to 15,000'.
Forum: Tech Log
28th Sep 2008, 09:09
Replies: 95
Views: 16,000
Posted By SNS3Guppy

You're talking about the -400, then? This...

You're talking about the -400, then?

This isn't possible on the Classic, as the electricl pumps can't be powered in flight, nor can electricity be obtained from windmilling powerplants...it's...
Forum: Tech Log
27th Sep 2008, 08:31
Replies: 95
Views: 16,000
Posted By SNS3Guppy

When selected to AUTO, yes. When selected to...

When selected to AUTO, yes. When selected to CONTINUOUS, no.



The batteries are already online, and in absence of generator power, external power, or APU generator power, are the sole source...
Forum: Tech Log
27th Sep 2008, 07:41
Replies: 95
Views: 16,000
Posted By SNS3Guppy

A crazed cabin window is the least of concerns...

A crazed cabin window is the least of concerns when flying through volcanic ash.

An older technique for a volcanic ash encounter involved use of the Overheat Test button on the window heat panel,...
Forum: Tech Log
24th Sep 2008, 21:03
Replies: 95
Views: 16,000
Posted By SNS3Guppy

Each engine has an engine driven hydraulic pump,...

Each engine has an engine driven hydraulic pump, or EDP. Each hydraulic system has an Air Driven Pump, or ADP. Standard is one electric hydraulic pump, or ACP, on system 4, and many airplanes have...
Showing results 1 to 17 of 17


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.