Today's Message Index:
----------------------
1. 06:57 AM - tie breaker (Chris Hukill)
2. 08:26 AM - throttle quadrant cable length (David)
3. 10:05 AM - Sad News (David Saylor)
4. 11:07 AM - Re: throttle quadrant cable length (Bill Watson)
5. 05:40 PM - Learning to Fly (Jeff Carpenter)
6. 06:45 PM - Missing step? 18-5 Fuel Tanks (Phillip Perry)
7. 06:45 PM - Re: Missing step? 18-5 Fuel Tanks (Phillip Perry)
8. 07:14 PM - Re: Missing step? 18-5 Fuel Tanks (Kelly McMullen)
9. 07:24 PM - Re: Missing step? 18-5 Fuel Tanks (Rocketman1988)
10. 07:41 PM - Re: Re: Missing step? 18-5 Fuel Tanks (Phillip Perry)
11. 08:26 PM - Re: Re: Missing step? 18-5 Fuel Tanks (Kelly McMullen)
12. 08:35 PM - Re: Learning to Fly (Berck E. Nash)
Message 1
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Lenny
The purpose of a "tie breaker" is to verify which of your attitude
indications are correct when two systems are in disagreement. It is mostly
redundant information in modern EFIS systems as the EFIS will compare it's
attitude information with pitot- static and GPS data and figure out which
one is in error from that. It then alerts the pilot with it's determination
of which attitude system is in fault. The pilot only has to verify that
recommendation and the EFIS will run both screens on the good AHDRS . This
all happens in a few seconds. The pilot should have a means of verifying the
attitude information during those few seconds, hence a tie breaker. Any
precession error or centripetal forces aren't a factor as your only
interested in the displayed attitude of the tie breaker during the short
period of time that your verifying the EFIS's solution to the displayed
error. In VMC you could just look out the window, or in the bad old days you
could try to fly with needle ball and airspeed. Heck we had to be able to
fly an approach using only an airspeed indicator, altimeter, and an electric
turn and bank even with all of it's precession errors. A modern standby
suite should be able to give you all the info a needle, ball and airspeed
gives you, but the panel real estate dedicated to those old dials would be
better spent on a second screen with it's second, monitored AHDRS. Your
IPhone velcroed to the panel with it's attitude info displayed could then be
your tiebreaker.
Chris
Time: 03:45:12 PM PST US
Subject: RV10-List: Re: tie breaker
From: "Lenny Iszak" <lenard@rapiddecision.com>
I would not rely on that as a tiebreaker. Once you get into a turn the
centripetal
forces start messing with the attitude solution much like your own senses,
which we all know better not to rely on. The steeper the turn the bigger the
error.
To correct for the centripetal error you need to factor in speed, and I
don't think
the compass app does that, but I could be wrong, I never tried the app in
flight.
Lenny
Message 2
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| Subject: | throttle quadrant cable length |
The current CT Q-49.5 is 49.5 inches long. I seem to recall that another
slightly longer length has been used on the IO540 installation on the
quadrant 10s. Any comments?
David McNeill
N46007 900+
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Message 3
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I'm sad to hear that Jeremy Monnett, CEO of Sonex, died in a crash at
Oshkosh along with another Sonex employee, Mike Clark.
I worked with Jeremy on the FAA 51% rule committee a few years ago. He was
a great guy and very dedicated to experimental aviation.
http://abcnews.go.com/US/wireStory/aircraft-manufacturers-ceo-mechanic-killed-plane-crash-31498294
--Dave
Message 4
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| Subject: | Re: throttle quadrant cable length |
A slightly longer length for all three cables is better than what is
supplied.
I originally installed the standard cables on a standard IO-540
installation with the quadrant. I'm not sure there is a 'standard'
quadrant installation but my quadrant seemed to end up where everyone
elses has. It worked but at year 2 all three cables had frayed in spots
and there was some melting of the plastic covering in spots on 1 or two.
Per advice gleaned from the boards, I replaced all three with custom
cables from California Push-Pull. Same spec as Vans supplied except the
plastic coating was higher temp I believe. The cables I ordered,
installed and am flying with are 176-VTT-2-47, -51, and -72.
In retrospect, I wish I had gone with those in the original build.
On 6/3/2015 11:23 AM, David wrote:
>
> The current CT Q-49.5 is 49.5 inches long. I seem to recall that
> another slightly longer length has been used on the IO540 installation
> on the quadrant 10s. Any comments?
>
> David McNeill
>
> N46007 900+
>
>
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Message 5
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This is a great read... worth passing on to anyone interested in
learning to fly
What I Learned About Fear by Intentionally Stalling a Plane
Jeff Carpenter
40304
... just about to gas up the tanks
do not archive
Westcott Press
1121 Isabel Street
Burbank, CA 91506
jeff@westcottpress.com
818-861-7300
Message 6
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| Subject: | Missing step? 18-5 Fuel Tanks |
Just curious. I'm trimming up my wing root fairings and am running into a problem.
Going back, I think I've found it.
Attached is a photo of 18-5. They call for a dimple in the T-1005B (upper) shim.
But the plans don't call for dimples in the T-1005C (lower) shim.
The skin is dimpled (as called for under in the wing attach section), but this
substructure isn't.
Am I missing something in assuming these bottom shims need to be dimpled too?
Or is there something I don't know/understand.
Phil
Sent from my iPhone
Message 7
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| Subject: | Re: Missing step? 18-5 Fuel Tanks |
With photo this time.
Sent from my iPhone
> On Jun 3, 2015, at 8:41 PM, Phillip Perry <philperry9@gmail.com> wrote:
>
> Just curious. I'm trimming up my wing root fairings and am running into a
problem. Going back, I think I've found it.
>
> Attached is a photo of 18-5. They call for a dimple in the T-1005B (upper
) shim. But the plans don't call for dimples in the T-1005C (lower) shim.
>
> The skin is dimpled (as called for under in the wing attach section), but t
his substructure isn't.
>
> Am I missing something in assuming these bottom shims need to be dimpled t
oo? Or is there something I don't know/understand.
>
> Phil
>
>
>
> Sent from my iPhone
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre></body></html>
Message 8
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| Subject: | Re: Missing step? 18-5 Fuel Tanks |
Phil,
The difference is the top and bottom fairings join at the top, where you
have the dimpled nutplates, while the rest of the holes go through more
layers and can be countersunk.
There is no skin joint on the bottom, just at the forward spar attach on
top.
Kelly
On Wed, Jun 3, 2015 at 6:41 PM, Phillip Perry <philperry9@gmail.com> wrote:
>
> Just curious. I'm trimming up my wing root fairings and am running into a
> problem. Going back, I think I've found it.
>
> Attached is a photo of 18-5. They call for a dimple in the T-1005B
> (upper) shim. But the plans don't call for dimples in the T-1005C (lower)
> shim.
>
> The skin is dimpled (as called for under in the wing attach section), but
> this substructure isn't.
>
> Am I missing something in assuming these bottom shims need to be dimpled
> too? Or is there something I don't know/understand.
>
> Phil
>
>
> Sent from my iPhone
>
>
Message 9
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| Subject: | Re: Missing step? 18-5 Fuel Tanks |
I am at the root fairing step and had to read and re read the plans to figure that
one out...the holes that are not dimple get counter sunk to accept the dimpled
root fairing...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=442968#442968
Message 10
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| Subject: | Re: Missing step? 18-5 Fuel Tanks |
Do you remember where that step can be found? That was going to be my plan.
Sent from my iPhone
> On Jun 3, 2015, at 9:21 PM, Rocketman1988 <Rocketman@etczone.com> wrote:
>
>
> I am at the root fairing step and had to read and re read the plans to figure
that one out...the holes that are not dimple get counter sunk to accept the dimpled
root fairing...
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=442968#442968
>
>
>
>
>
>
>
>
>
>
Message 11
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| Subject: | Re: Missing step? 18-5 Fuel Tanks |
Phil,
I just looked for it and didn't find the step. I'm not sure if I just
decided to go ahead and do the countersinking as I was doing the wing
attach or if I ran across it somewhere. PG 44-10 figure has mention of
machine countersinking of the tank skin and shows the rest of the holes on
the stub spar as though they were already done.
Kelly
On Wed, Jun 3, 2015 at 7:37 PM, Phillip Perry <philperry9@gmail.com> wrote:
>
> Do you remember where that step can be found? That was going to be my
> plan.
>
> Sent from my iPhone
>
> > On Jun 3, 2015, at 9:21 PM, Rocketman1988 <Rocketman@etczone.com> wrote:
> >
> >
> > I am at the root fairing step and had to read and re read the plans to
> figure that one out...the holes that are not dimple get counter sunk to
> accept the dimpled root fairing...
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=442968#442968
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
Message 12
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| Subject: | Re: Learning to Fly |
On 06/03/2015 06:35 PM, Jeff Carpenter wrote:
> This is a great read... worth passing on to anyone interested in
> learning to fly
Thanks for sharing, as off-topic as it might be. As a flight
instructor, I really enjoyed reading it. It's often hard for me to
understand exactly what it's like for a student with zero knowledge of
flight, and I think the author does a wonderful job of conveying exactly
what the experience was like for him. Since it's of our job to try to
see things from that point of view, I'd recommend it to any flight
instructor.
Berck (looks forward to parts 3 and 4)
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