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Distraction of the Week

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Jeff Linebaugh

Joined: 11 Jan 2006
Posts: 48
Location: Collierville, TN

Posted: Tue Feb 21, 2006 5:06 am Post subject: Distraction of the Week

Maybe you are right Brian, but I thought we did a leak on gear extension...

  

 Anyways, the point I was trying to make with the air leak after takeoff is that assuming...

  

 1) that you checked that you were "making air" before takeoff and

 2) that the air valve was open (Walt....good point also!)

  

 ...then chances are that the air leak is in the gear retract system. If you put the gear handle down, chances are that you will stop the leak and start making air again. 

  

 If this is the case I see no need to hurry back to land and/or use the emergency system. In fact, I would wait for the compressor to recharge the main system, and then land...

  

 I have now done my part...you all can now return to dissing flight suits and the FAA....

  

 JL

  

 Jeff Linebaugh

 jefflinebaugh(at)earthlink.net (jefflinebaugh(at)earthlink.net)

 http://home.earthlink.net/~jefflinebaugh/

 Yakless with Elvis in Memphis, TN

        [img]cid:F9F2E0B8-51CB-4BA8-9081-2986C6BBEEEB[/img]

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_________________
Jeff Linebaugh
jefflinebaugh@earthlink.net
Collierville, TN

cjpilot710(at)aol.com
Guest

Posted: Tue Feb 21, 2006 5:33 am Post subject: Distraction of the Week

No.  I want to add  to this distraction before I trundle off to fly the B-24.  (Oh I think I  mention that already).

  

 Anyway, what if you  landing gear system has no gear up locks?  Same scenario just that the  airplane, a CJ-6, has no up locks.

  

 Jim "Pappy"  Goolsby

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brian

Joined: 02 Jan 2006
Posts: 643
Location: Sacramento, California, USA

Posted: Tue Feb 21, 2006 7:13 am Post subject: Distraction of the Week

Jeff Linebaugh wrote:

 	  Quote: 	
		   Maybe you are right Brian, but I thought we did a leak on gear extension...


	


I guess these pneumatic system problems all sound pretty much the same

to me.



 	  Quote: 	
		   Anyways, the point I was trying to make with the air leak after takeoff

 is that assuming...

  

 1) that you checked that you were "making air" before takeoff and

 2) that the air valve was open (Walt....good point also!)

  

 ...then chances are that the air leak is in the gear retract system. If

 you put the gear handle down, chances are that you will stop the leak

 and start making air again.

  

 If this is the case I see no need to hurry back to land and/or use the

 emergency system. In fact, I would wait for the compressor to recharge

 the main system, and then land...


	


Hmm, in the CJ6A with uplocks, after retraction I would put my gear

lever in neutral. At that point if I am detecting a loss of air pressure

I doubt it would be in the retraction circuit other than where the

retraction circuit connects to the main air bus, the rear cockpit gear

lever in this case.  (Did anyone think about how the gear system depends

on the rear gear lever?)



This is a case where it really pays to know how the system works. Where

do each of the three pneumatic control circuits; i.e. gear, flaps, and

brakes; connect to the main air bus? What components are in common

between the main and emergency pneumatic systems? Which lines, check

valves, and fittings are under pressure in the various configurations?

Think about it:



Gear up, gear neutral, gear down.



flaps up, flaps down.



Brakes applied left, brakes applied center, brakes applied right, brakes

off.



All of the above using the normal system.



All of the above using the emergency system.



That is a LOT of combinations and permutations. Isolating a problem

in-flight and making the right decision requires a lot of understanding.



 	  Quote: 	
		   I have now done my part...you all can now return to dissing flight suits

 and the FAA....


	


Well I was never really dissing flight suits. I was just dissing the

demand that I wear one when I feel that, for whatever reason, I am

better off not wearing one.



-- 

Brian Lloyd                         361 Catterline Way

brian-yak at lloyd dot com          Folsom, CA 95630

+1.916.367.2131 (voice)             +1.270.912.0788 (fax)



I fly because it releases my mind from the tyranny of petty things . . .

- Antoine de Saint-Exupery

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_________________
Brian Lloyd
brian-yak at lloyd dot com
+1.916.367.2131 (voice) +1.270.912.0788 (fax)

I fly because it releases my mind from the tyranny of petty things . . .
- Antoine de Saint-Exupery

brian

Joined: 02 Jan 2006
Posts: 643
Location: Sacramento, California, USA

Posted: Tue Feb 21, 2006 7:25 am Post subject: Distraction of the Week

cjpilot710(at)aol.com wrote:



 	  Quote: 	
		   */Anyway, what if you landing gear system has no gear up locks?  Same

 scenario just that the airplane, a CJ-6, has no up locks./*


	


Most CJ6A's have uplocks. Some don't. This also affects the trouble

shooting process.



-- 

Brian Lloyd                         361 Catterline Way

brian-yak at lloyd dot com          Folsom, CA 95630

+1.916.367.2131 (voice)             +1.270.912.0788 (fax)



I fly because it releases my mind from the tyranny of petty things . . .

- Antoine de Saint-Exupery

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BitterlichMG(at)cherrypoi
Guest

Posted: Thu Feb 23, 2006 11:32 am Post subject: Distraction of the Week

The answer to this question differs slightly  if you are flying a YAK-50 instead of a 52.  Any input from the 50 folks?  

  

 Mark Bitterlich

  

 [quote]   --

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