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Relief Tube Housing - Unsafe



 
 
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  #1  
Old June 18th 09, 05:19 AM posted to rec.aviation.soaring
Tim Taylor
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Posts: 751
Default Relief Tube Housing - Unsafe


I pulled the seat pan in my Ventus 2 for the first time to find the
relief tube housing to be a 10 inch long sharp ended aluminum tube
epoxied to the bottom of the fuselage. Needless to say if you have
one of these in your glider I encourage you to get rid of it ASAP. I
would hate to see what this would do in a hard landing. I cut mine
off a few inches off the bottom and installed a flexible vinyl tube to
replace the aluminum one. Not sure where this one was installed, but
I believe when the glider was in the UK.


http://picasaweb.google.com/TTaylor0...14503738989554
  #2  
Old June 18th 09, 07:45 AM posted to rec.aviation.soaring
Jim White[_3_]
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Posts: 286
Default Relief Tube Housing - Unsafe

You are more likely to kill yourself by leaving tools in the bottom of your
glider.


At 04:19 18 June 2009, Tim Taylor wrote:

I pulled the seat pan in my Ventus 2 for the first time to find the
relief tube housing to be a 10 inch long sharp ended aluminum tube
epoxied to the bottom of the fuselage. Needless to say if you have
one of these in your glider I encourage you to get rid of it ASAP. I
would hate to see what this would do in a hard landing. I cut mine
off a few inches off the bottom and installed a flexible vinyl tube to
replace the aluminum one. Not sure where this one was installed, but
I believe when the glider was in the UK.


http://picasaweb.google.com/TTaylor0...14503738989554

  #3  
Old June 18th 09, 01:16 PM posted to rec.aviation.soaring
T8
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Posts: 429
Default Relief Tube Housing - Unsafe

On Jun 18, 2:45*am, Jim White wrote:
You are more likely to kill yourself by leaving tools in the bottom of your
glider.


We had a guy here in the states that was likewise unlikely to get
killed (in part) by the aluminum instrument panel on his spiffy new
German glider.

Given the chance, it's smart to remove potentially lethal objects from
the cockpit area. Good catch, Tim.

-Evan Ludeman / T8
  #4  
Old June 18th 09, 01:45 PM posted to rec.aviation.soaring
Jim White[_3_]
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Posts: 286
Default Relief Tube Housing - Unsafe

Look at the pipe cutter in the picture. No one in their right mind uses the
hull of their glider to place tools that they are using or have used. Sure
way to have a 'loose article' accident.

Judging by the picture the tube would appear to have been sensibly fitted
forward of the stick, between the pilots knees. I don't know about you
but I find it hard to fly my glider when sitting in front of the stick let
alone land it.

Jim

At 12:16 18 June 2009, T8 wrote:
On Jun 18, 2:45=A0am, Jim White wrote:
You are more likely to kill yourself by leaving tools in the bottom of

yo=
ur
glider.


We had a guy here in the states that was likewise unlikely to get
killed (in part) by the aluminum instrument panel on his spiffy new
German glider.

Given the chance, it's smart to remove potentially lethal objects from
the cockpit area. Good catch, Tim.

-Evan Ludeman / T8

  #5  
Old June 18th 09, 03:16 PM posted to rec.aviation.soaring
Andy[_1_]
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Posts: 1,565
Default Relief Tube Housing - Unsafe

On Jun 18, 5:45*am, Jim White wrote:
Look at the pipe cutter in the picture. No one in their right mind uses the
hull of their glider to place tools that they are using or have used. Sure
way to have a 'loose article' accident.


I've been on on enough aircraft manufacturing lines to know it's quite
normal to take tools into the hull and put them down when they are not
being used. What makes a glider so special that the same practices
cannot be followed. The important thing is to ensure that all tools
are removed when the job is completed. That can be done by inventory
and/or by careful inspection before closing.

Andy

  #6  
Old June 18th 09, 05:30 PM posted to rec.aviation.soaring
Jim White[_3_]
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Posts: 286
Default Relief Tube Housing - Unsafe

At 14:16 18 June 2009, Andy wrote:
Remember Apollo 13? Or the AF Concorde that had tools left in the fuel
tank? Better not to leave them there at all.

Jim

I've been on on enough aircraft manufacturing lines to know it's quite
normal to take tools into the hull and put them down when they are not
being used. What makes a glider so special that the same practices
cannot be followed. The important thing is to ensure that all tools
are removed when the job is completed. That can be done by inventory
and/or by careful inspection before closing.

Andy


  #7  
Old June 18th 09, 05:42 PM posted to rec.aviation.soaring
Andy[_9_]
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Posts: 22
Default Relief Tube Housing - Unsafe

On Jun 18, 5:45*am, Jim White wrote:
Look at the pipe cutter in the picture. No one in their right mind uses the
hull of their glider to place tools that they are using or have used. Sure
way to have a 'loose article' accident.

Judging by the picture the tube would appear to have been sensibly fitted
forward of the stick, between the pilots knees. I don't know about you
but I find it hard to fly my glider when sitting in front of the stick let
alone land it.

Jim


I'm not 100% familiar with the V2 innards, but it seems to me that the
photo was taken looking forward and that the relief tube was fitted
aft of the stick. I also can't tell whether it was an aftermarket job
or done at the factory. It looks like one of those "pipe-within-a-
pipe" deals that allows you to extend a rigid relief tube down into
the airstream far enough that your pee doesn't get all over the tail
boom, though the inner pipe wouldn't be depicted in this picture if
that's the design. If that was the intent, making the outer tube
flexible could make it hard to make the inner tube slide and peeing
directly into the outer tube that ends flush with the outside fuselage
shell might lead to having pee stream down the underside of the
glider. It's hard to tell from the picture, but that's what it looked
like. In any case installing a spear pointed up into the cockpit
seems like a good way to put your eye out, though the geometry of that
coming to pass would mean you'd have a whole lot of other things
really badly mangled already.

Maybe I'm not in my right mind, but the area under my seat pan is
flat, smooth an concave, so I generally put most of my tools, screws,
etc there then inspect that I take them all out before putting the pan
back in. Putting parts and tools on the ground is begging to lose them
or kick them around - but I don't generally have a nice shop to work
in so dirt and wind and such are bigger concerns for me, On my glider
you'd have to crack the seat pan to get it back in place on top of
something as big as a pipe cutter.

Tim, maybe you can explain the photo a tad more. And please confirm
for everyone that you have located the pipe cutter so we can stop
worrying. :-)

9B
  #8  
Old June 18th 09, 05:56 PM posted to rec.aviation.soaring
Darryl Ramm
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Posts: 2,403
Default Relief Tube Housing - Unsafe

On Jun 18, 9:30*am, Jim White wrote:
At 14:16 18 June 2009, Andy wrote:
Remember Apollo 13? Or the AF Concorde that had tools left in the fuel
tank? Better not to leave them there at all.

Jim



I've been on on enough aircraft manufacturing lines to know it's quite
normal to take tools into the hull and put them down when they are not
being used. *What makes a glider so special that the same practices
cannot be followed. *The important thing is to ensure that all tools
are removed when the job is completed. That can be done by inventory
and/or by careful inspection before closing.


Andy




Can the loose tools police enlighten us more?

I remember damaged insulation from overheated wiring on Apollo 13 and
I don't recall anything specific about tools on Apollo 13 causing
problems. I don't remember an incident with tools left in Concorde
fuel tanks. If you mean Air France Flight 4590 the finger was pointed
at FOD from a DC-10 and design issues of the Concorde.

Darryl

  #9  
Old June 18th 09, 07:01 PM posted to rec.aviation.soaring
Ian
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Posts: 306
Default Relief Tube Housing - Unsafe

On 18 June, 13:45, Jim White wrote:
Look at the pipe cutter in the picture. No one in their right mind uses the
hull of their glider to place tools that they are using or have used. Sure
way to have a 'loose article' accident.


The trick is to "take them out again".

Ian
  #10  
Old June 18th 09, 08:02 PM posted to rec.aviation.soaring
Uncle Fuzzy
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Posts: 260
Default Relief Tube Housing - Unsafe

On Jun 18, 5:45*am, Jim White wrote:
Look at the pipe cutter in the picture. No one in their right mind uses the
hull of their glider to place tools that they are using or have used. Sure
way to have a 'loose article' accident.



Jim


Commit me now. I do so regularly. I do, however, remove them before
reassembling the interior.
 




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