Today's Message Index:
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1. 03:37 PM - Howling/scraping noise at flaps deflection (theo van duin)
2. 03:52 PM - Re: Search for Left wing Allegro 2000 SW (theo van duin)
3. 04:30 PM - Re: Howling/scraping noise at flaps deflection (Hugh McKay)
Message 1
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Subject: | Howling/scraping noise at flaps deflection |
Fellow Allegro listers,
Today, at the preflight check, a loud howling/scraping noise was heard
at the deflection of the flaps from pos. zero to pos. one, probably at the
left upper side of the plane.
Further down, from pos.one to two, the sound was gone.
Did anyone of you experience this problem? Could it possibly be solved by
oiling the control rod tubular bearings? If so, what type of oil is to be
used?
Theo van Duin (France)
Allegro 2000
71MM
Message 2
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Subject: | Re: Search for Left wing Allegro 2000 SW |
Fellow Allegro listers,
The replacement left wing, my Dutch pilot friend is looking for, was
abusively
stated as being for an Allegro 2000SW but it is not. It's for an Allegro
2000.
Any suggestion how/where to find such a part might get him flying again!
Thank you for your concern to help him out.
Theo van Duin (France)
Allegro 2000
71MM
2010/8/25, theo van duin <t.j.vanduin@gmail.com>:
>
> Fellow Allegro-listers,
>
> A friend of mine in the Netherlands had his Allegro 2000 SW (short wing)
> damaged.
> He is looking for a replacement left wing. Is there anybody among you who
> could
> help him out? Any information about where possibly to ask for this, is
> gratefully accepted.
>
> Regards,
>
> Theo van Duin (France)
> Allegro 2000 (71MM)
>
> *
>
> *
>
>
Message 3
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Subject: | Re: Howling/scraping noise at flaps deflection |
Theo,
There are two plastic (neoprene??) bearings that the flap torque tube
rotates in. See attached photo. They are located close togather in the
area just behind the bulkhead rib that the the pilot seat belts are
bolted to. These could be drying out for some reason. I would not use
oil on them. Instead I would try a silicone lubricate on them. You
should be able to find this in an aerosol spray can. If this does not
solve the problem, check the two corrugated rubber sleeves at the ends
of the flap tube where it penetrates the fuselage. Spray the rubber
sleeve/fuselage contact surface with some silicone spray as well. While
you are doing all of this check the flap servo motor screw. Make sure it
is well lubricated and not binding because it screws into a plastic
housing that has (neoprene??) threads. I use white lithium grease on the
screw itself. Let us know if this works.
Hugh McKay
Allegro 2000
Rotax 912 UL
N661WW
From: theo van duin
Sent: Thursday, September 02, 2010 6:35 PM
Subject: Allegro-List: Howling/scraping noise at flaps deflection
Fellow Allegro listers,
Today, at the preflight check, a loud howling/scraping noise was heard
at the deflection of the flaps from pos. zero to pos. one, probably at
the
left upper side of the plane.
Further down, from pos.one to two, the sound was gone.
Did anyone of you experience this problem? Could it possibly be solved
by
oiling the control rod tubular bearings? If so, what type of oil is to
be used?
Theo van Duin (France)
Allegro 2000
71MM
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