Today's Message Index:
----------------------
0. 12:18 AM - Please Make A Contribution Today... (Matt Dralle)
1. 06:16 AM - AA-5 Aileron Rigging ()
2. 09:02 AM - Re: What a drag . . . (Gary L Vogt)
3. 09:22 AM - Re: Re: Fw: Flying with a level (Gary L Vogt)
4. 10:22 AM - Re: Re: Fw: Flying with a level (Doug Doty)
5. 04:03 PM - Split elevator on my plane, with Picture. (Doug Doty)
6. 05:44 PM - Re: Split elevator on my plane, with Picture. (jwellum@AOL.COM)
7. 06:33 PM - Re: Split elevator on my plane, with Picture. (Doug Doty)
Message 0
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| Subject: | Please Make A Contribution Today... |
Dear Listers,
A quick reminder that November is the annual List Fund Raiser and the List of Contributors
is quickly approching. The Matronics Lists are 100% member supported
and all of the operational costs are provided for by your Contributions during
this time of the year.
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Thank you in advance!
Matt Dralle
Matronics Email List and Forum Administrator
Message 1
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| Subject: | AA-5 Aileron Rigging |
Gents,
After an aileron contacts its down stop, more rotation of the yoke, against
'spring' pressure, increases opposite up aileron travel. Is this normal or
indicative of incorrect rigging?
Control yoke/aileron motion left and right is the the same. Aileron cable
tension is correct and the aircraft flies normally.
Thanks,
Mike
Message 2
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| Subject: | Re: What a drag . . . |
Bob,
I would like a trace of the wing rib. I will reverse engineer as much as I c
an and see if I can find a profile that is close.
We may never know what its exact behavior is, but we can get close. At least
we can get an idea where max L/D is.
Gary
Sent from my iPad
On Nov 26, 2011, at 5:23 PM, Bob Hodo <bob.hodo@yahoo.com> wrote:
> Gary >>> Now ya got me thinking again.
>
> BH>>> I can't imagine you stop thinking very often...
>
> Gary>>> BH, can you make a mathematical curve fit to the rib you have?
>
> BH>>> I might have had that skill set 35 years ago, not sure, but I certa
inly don't have it now.
>
> Gary, when I stare at that foil from the side, with my chair rail on the w
all behind it like the oncoming airstream, I can see it not being too bad wi
th the flat aft half parallel to the stream, and the front section more than
4 degrees up from that, and the big drooping front edge in its slickest pro
file. But that must happen down around 100 to 105 knots.
>
> At 140 knots on the cheetah the flat aft half is more than 3 degrees nose d
own, and the front flat half is only about 1 degree nose up. To my eye it l
ooks like the wing cannot possibly be lifting any longer, but apparently tha
t big camber on top is still cranking pretty good. By this time however, we
have a pretty blunt leading edge that kills a lot of bugs (and I think two h
ummingbirds on the way to Pennsylvania!)
>
> I can trace you a copy of the rib on paper and send it to you to hang on y
our wall next to your TV if you like. ( Along with some pieces to stick on t
he front to change the shape as I would like!)
>
> Bob Hodo
> GADsden, AL
>
>
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Message 3
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| Subject: | Re: Fwd: Flying with a level |
The bolts on the elevator are crowded out. Most likely the right one. Get a -19x
from Garner and a G ream. Getting the ream is more of a challenge.
Gary
Sent from my iPad
On Nov 26, 2011, at 2:22 PM, "Doug Doty" <39marinette@gmail.com> wrote:
>
> Back to airplanes, On my tiger during preflight today I was looking a lot harder
at a few thing than normal as a result of this and the pther threads and
I found that if I aligned the left elevator tip on the front balance portion with
the HS that my right side rode high maybe as much as 1/2" in the same far
forward spot adjacent to the HS on the right side. Is this normal or do I need
to get after figuring this out asap. ???????????????? It flys flat and level
with no trim in the alierons buy has a good bit of trim tab bent to the right
on the rudder... Help....
>
> --------
> 1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt,
stock otherwise.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=359353#359353
>
>
>
>
>
>
>
>
>
>
Message 4
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| Subject: | Re: Fwd: Flying with a level |
Thanks Gary I will be looking at it this afternoon
Doug Doty
On Nov 27, 2011, at 12:20 PM, Gary L Vogt <teamgrumman@yahoo.com> wrote:
>
> The bolts on the elevator are crowded out. Most likely the right one. Get a -19x
from Garner and a G ream. Getting the ream is more of a challenge.
>
> Gary
> Sent from my iPad
>
> On Nov 26, 2011, at 2:22 PM, "Doug Doty" <39marinette@gmail.com> wrote:
>
>>
>> Back to airplanes, On my tiger during preflight today I was looking a lot harder
at a few thing than normal as a result of this and the pther threads and
I found that if I aligned the left elevator tip on the front balance portion
with the HS that my right side rode high maybe as much as 1/2" in the same far
forward spot adjacent to the HS on the right side. Is this normal or do I need
to get after figuring this out asap. ???????????????? It flys flat and level
with no trim in the alierons buy has a good bit of trim tab bent to the right
on the rudder... Help....
>>
>> --------
>> 1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt,
stock otherwise.
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=359353#359353
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
>
>
Message 5
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| Subject: | Split elevator on my plane, with Picture. |
I wanted to start a different thread as I realized this was hijacking the flying
with a level thread that is so interesting in itself. Sorry !!!
Any way I got the tail cone off this evening and looked for looseness, none found
?? I worked the two sides against one another and simply cannot find any movement.
It seems to me that it has always been this way or has twisted over time.
The plane has about 1990 hours on the airframe and no known previous damage
history. I will post a picture below that demonstrates the right side up as
the left is leveled with the HS. Any additional thoughts from anyone on this.
I measured the differential with a digital level on each elevator inboard and
outboard with with a slight up preload on each and the right is .8 degrees off
from the left.
--------
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock
otherwise.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=359496#359496
Message 6
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| Subject: | Re: Split elevator on my plane, with Picture. |
Are the trailing edges of the elevators lined up with each other?
In a message dated 11/27/2011 6:03:45 P.M. Central Standard Time,
39marinette@gmail.com writes:
--> TeamGrumman-List message posted by: "Doug Doty"
<39marinette@gmail.com>
I wanted to start a different thread as I realized this was hijacking the
flying with a level thread that is so interesting in itself. Sorry !!!
Any way I got the tail cone off this evening and looked for looseness,
none found ?? I worked the two sides against one another and simply cannot
find any movement. It seems to me that it has always been this way or has
twisted over time. The plane has about 1990 hours on the airframe and no known
previous damage history. I will post a picture below that demonstrates the
right side up as the left is leveled with the HS. Any additional thoughts
from anyone on this. I measured the differential with a digital level on
each elevator inboard and outboard with with a slight up preload on each and
the right is .8 degrees off from the left.
--------
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl.
egt, stock otherwise.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=359496#359496
Message 7
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| Subject: | Re: Split elevator on my plane, with Picture. |
No they are off by the .8 degrees I mentioned as checked with a digital level.
--------
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock
otherwise.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=359513#359513
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