Today's Message Index:
----------------------
1. 05:32 AM - Re: Re: Aileron control problem (Hugh McKay)
2. 09:55 AM - Re: Aileron control problem (aerosiam)
3. 12:21 PM - Re: Re: Aileron control problem (Brad Kramer)
4. 01:23 PM - Re: Aileron control problem (Thom Riddle)
5. 09:19 PM - Re: Aileron control problem (aerosiam)
Message 1
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| Subject: | Re: Aileron control problem |
Paul,
What caused the hinge pins to wear out after only 200 hours! 200 hours is
nothing for this airplane, and aileron hinges and pins should last far
beyond 200 hours. I have 400 hours on my Allegro 2000 and the pins and
hinges show no effect.
Hugh
--------------------------------------------------
From: "aerosiam" <pk@aero-siam.com>
Sent: Thursday, July 08, 2010 11:22 PM
Subject: Allegro-List: Re: Aileron control problem
>
> Hi Hugh
>
> 200 hours. I have to replace the hinge pins so it's easier just to
> disconnect the control rod and put the aileron on the bench. With Fantasy
> out of business, I don't have the option to buy new hinge sets.
>
> Regards
>
> Paul
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=304283#304283
>
>
>
Message 2
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| Subject: | Re: Aileron control problem |
Hugh
I know, it doesn't make sense.
The system is perfectly light and free on the ground. Something happens in the
air. Going back to my original problem, the stiffness around the center point
may be accelerating the wear in the hinges but this seems unlikely.
A pilot/engineer friend of mine agreed the aileron response is odd and disconcerting.
He helped dismantle and inspect the system from the wing bellcranks to
the control column and he is equally baffled.
The vertical wear in the hinges seemed minor but when the stick was clamped, it
translated to about 2 degrees at the trailing edge.
I can't explain the plane's strange handling but getting rid of the wear in the
hinges will at least take one factor out of the equation
Paul
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=304341#304341
Message 3
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| Subject: | Re: Aileron control problem |
Strange.. But the rivets I have seem to be about 3.6mm (using my cheap
caliper, so that's approximate).
I do have a new hinge here and the holes in that are noticably smaller
(possibly the 3.2 that you're seeing). Apparently when Thom replaced my
hinges he drilled out for a larger rivet, just as you're thinking of doing.
Good luck.
-----Original Message-----
From: owner-allegro-list-server@matronics.com
[mailto:owner-allegro-list-server@matronics.com] On Behalf Of aerosiam
Sent: Wednesday, July 07, 2010 9:38 PM
Subject: Allegro-List: Re: Aileron control problem
Hi Brad
I had some very helpful emails from Thom. He mentioned that you had a hinge
set from Fantasy which included the rivets. Would you mind measuring the
rivets?
I removed the left aileron and some of the bodies are worn to the point
where a 3.2mm pin fits easily in place of the original 3.0mm pin and I may
end up having to remove the hinges and drill them all to 3.28mm which is the
next available pin diameter.
Thanks
Paul
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=304125#304125
Message 4
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| Subject: | Re: Aileron control problem |
Brad,
My memory is telling me that the hinge and rivet package that I received from Fantasy
Air had two sizes of holes and rivets. Again from memory, I think that
the larger holes were on the wing side of the hinge and smaller ones on the aileron
side but am not absolutely certain. I did not drill out the holes for larger
rivets. Next time you are at the hangar, Brad, get up on a ladder and look
carefully at the right outboard aileron hinge (the one I replaced) and compare
it and its rivets to the other ones, which I did not replace (came from factory
that way).
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
If life gives you limes, make Margaritas.
- Jimmy Buffet
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=304349#304349
Message 5
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| Subject: | Re: Aileron control problem |
Hi Brad and Thom
Thanks
I think we have a slight miscommunication. The original hinge pin (not rivet size)
is 3.0mm and I am trying out a 3.2mm pin which fits in some of the hinges.
I haven't removed any hinges yet. I am trying to find out what size the rivets
are because ordering parts to Thailand is either expensive or long and I try to
plan ahead ! Shipping alone is 40 bucks for Fedex.
Regards
Paul
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=304380#304380
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