Today's Message Index:
----------------------
1. 08:33 AM - Re: Elevator and aileron push tubes (jerzy krasinski)
2. 08:47 AM - Re: Elevator and aileron push tubes (Richard Trickel)
3. 08:49 AM - Re: Elevator and aileron push tubes (Bill Schertz)
4. 01:57 PM - Re: Elevator and aileron push tubes ()
Message 1
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| Subject: | Re: Elevator and aileron push tubes |
Do you know any more details?
-
I had an aileron disconnected while flying a glider. The controls of the gl
ider got very asymmetric but the glider was controllable and I landed on my
airport.
I am surprised that the loss of one aileron resulted in accident. Somehow t
he aileron must have been jammed in an extreme position.
-
Jerzy
--- On Wed, 1/27/10, bakerocb@cox.net <bakerocb@cox.net> wrote:
From: bakerocb@cox.net <bakerocb@cox.net>
Subject: Re: KIS-List: Elevator and aileron push tubes
1/27/2010
Hello Mike, Definitely the hard rivets.
Attached is a picture of a KIS TR-1 that had an aileron push tube disconnec
t. It was never conclusively proved what caused the end of the aileron tube
to become disconnected. Could have sheared off.
'OC' Says: "The best investment we can make is the effort to gather and und
erstand knowledge."
PS: Very dramatic story of how the pilot survived.
=====================
----- Original Message ----- From: "Mike Pienaar" <mjpienaar@shaw.ca>
Sent: Wednesday, January 27, 2010 2:20 AM
Subject: KIS-List: Elevator and aileron push tubes
Does one use soft or hard (A or AD) aluminum rivets to secure the threaded
rod ends in the elevator and aileron push/pull tubes
Thanks
Mike
Message 2
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| Subject: | Re: Elevator and aileron push tubes |
i THINK i REMEMBER THE STORY NOW.- the push pull tube from the belcrank t
o the aileron was never riveted by the original builder.- This guy was th
e second owner and the plane had several hundred hours flying like that.-
PAYS TO DO A PROPER ANUAL INSPECTION ESPECIALLY WHEN YOUR BUYING SOMEONE E
LSES PLANE.
Rich
--- On Thu, 1/28/10, jerzy krasinski <jerzy_krasinski@sbcglobal.net> wrote:
From: jerzy krasinski <jerzy_krasinski@sbcglobal.net>
Subject: Re: KIS-List: Elevator and aileron push tubes
Do you know any more details?
-
I had an aileron disconnected while flying a glider. The controls of the gl
ider got very asymmetric but the glider was controllable and I landed on my
airport.
I am surprised that the loss of one aileron resulted in accident. Somehow t
he aileron must have been jammed in an extreme position.
-
Jerzy
--- On Wed, 1/27/10, bakerocb@cox.net <bakerocb@cox.net> wrote:
From: bakerocb@cox.net <bakerocb@cox.net>
Subject: Re: KIS-List: Elevator and aileron push tubes
1/27/2010
Hello Mike, Definitely the hard rivets.
Attached is a picture of a KIS TR-1 that had an aileron push tube disconnec
t. It was never conclusively proved what caused the end of the aileron tube
to become disconnected. Could have sheared off.
'OC' Says: "The best investment we can make is the effort to gather and und
erstand knowledge."
PS: Very dramatic story of how the pilot survived.
=====================
----- Original Message ----- From: "Mike Pienaar" <mjpienaar@shaw.ca>
Sent: Wednesday, January 27, 2010 2:20 AM
Subject: KIS-List: Elevator and aileron push tubes
Does one use soft or hard (A or AD) aluminum rivets to secure the threaded
rod ends in the elevator and aileron push/pull tubes
Thanks
Mike
=0A=0A=0A
Message 3
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| Subject: | Re: Elevator and aileron push tubes |
As I recall, the aileron end fitting was NOT riveted on that airplane.
It had flown for several years before separating.
Bill Schertz
KIS Cruiser #4045
N343BS
Phase I testing
From: jerzy krasinski
Sent: Thursday, January 28, 2010 10:30 AM
Subject: Re: KIS-List: Elevator and aileron push tubes
Do you know any more details?
I had an aileron disconnected while flying a glider. The controls
of the glider got very asymmetric but the glider was controllable and I
landed on my airport.
I am surprised that the loss of one aileron resulted in accident.
Somehow the aileron must have been jammed in an extreme position.
Jerzy
--- On Wed, 1/27/10, bakerocb@cox.net <bakerocb@cox.net> wrote:
From: bakerocb@cox.net <bakerocb@cox.net>
Subject: Re: KIS-List: Elevator and aileron push tubes
To: kis-list@matronics.com, "Mike Pienaar" <mjpienaar@shaw.ca>
Date: Wednesday, January 27, 2010, 7:26 AM
1/27/2010
Hello Mike, Definitely the hard rivets.
Attached is a picture of a KIS TR-1 that had an aileron push
tube disconnect. It was never conclusively proved what caused the end of
the aileron tube to become disconnected. Could have sheared off.
'OC' Says: "The best investment we can make is the effort to
gather and understand knowledge."
PS: Very dramatic story of how the pilot survived.
=====================
----- Original Message ----- From: "Mike Pienaar"
<mjpienaar@shaw.ca>
To: "KISBUILDERS" <kis-list@matronics.com>
Sent: Wednesday, January 27, 2010 2:20 AM
Subject: KIS-List: Elevator and aileron push tubes
Does one use soft or hard (A or AD) aluminum rivets to secure
the threaded rod ends in the elevator and aileron push/pull tubes
Thanks
Mike
Message 4
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| Subject: | Re: Elevator and aileron push tubes |
1/28/2010
Hello Jerzy,You wrote: "Somehow the aileron must have been jammed in an
extreme position."
That is the conclusion that the accident pilot came to.
As to the actual cause of the aileron push tube disconnect that was never
conclusively proved. The FAA / NTSB investigators at the scene came to one
conclusion and some friends of the accident pilot, who also went to the
scene, did not agree with the FAA / NTSB investigators conclusion.
The confusion involved: comparing the length of the two respective tubes,
the existence or not of rivets and rivet holes in the end of the tube and
the fitting, the clean cut end appearance of the tube, and some part(s) that
were never found.
You can do further research by going to the Matronic search site for the KIS
list, searching for "bohemier" and look around Sep 2007. Here is the
official accident report, but it may not be entirely accurate:
http://www.ntsb.gov/ntsb/brief.asp?ev_id 070911X01368&key=1
'OC' Says: "The best investment we can make is the effort to gather and
understand knowledge."
==============================================
----- Original Message -----
From: "jerzy krasinski" <jerzy_krasinski@sbcglobal.net>
Sent: Thursday, January 28, 2010 11:30 AM
Subject: Re: KIS-List: Elevator and aileron push tubes
Do you know any more details?
I had an aileron disconnected while flying a glider. The controls of the
glider got very asymmetric but the glider was controllable and I landed on
my airport.
I am surprised that the loss of one aileron resulted in accident. Somehow
the aileron must have been jammed in an extreme position.
Jerzy
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