Today's Message Index:
----------------------
1. 05:27 AM - Re: Cable load on rear rib 7 (pavel569)
2. 11:17 AM - Re: Re: Cable load on rear rib 7 (Bryan Martin)
3. 12:35 PM - Re: Cable load on rear rib 7 (dalemed)
4. 12:57 PM - pitot static line (TOM)
5. 01:21 PM - Re: pitot static line (Jim Belcher)
6. 01:23 PM - Re: pitot static line (Paul Mulwitz)
7. 03:01 PM - Re: pitot static line (jetboy)
8. 10:30 PM - MGL voyager glass panel. (K Dilks)
9. 11:19 PM - Re: MGL voyager glass panel. (Craig Payne)
10. 11:28 PM - Re: MGL voyager glass panel. (K Dilks)
Message 1
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| Subject: | Re: Cable load on rear rib 7 |
It seems that very soon we will be questioning every single rivet on the plane
that is flying in numbers for years already. Keep building according to plans
and we'll be fine, IMHO.
dalemed wrote:
> I'm in the process of attaching the Bellcrank Support and Bellcrank Support Channel
to Rear Rib 7. I can't help but wonder how RR7 supports 70 (+/-10) lbs
of cable force (each cable pulling with 30 (+/-5) lbs.).
>
> It's Saturday or I'd call the factory to ask them if it might be wise to add
L angle doublers to the Bellcrank Support Channel.
>
> Am I unnecessarily concerned?
--------
Pavel
CA
Zodiac XL N581PM (Reserved)
Stratus Subaru EA-81
Tail, flaps, ailerons, wings done, fuselage is on the table ....
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=213104#213104
Message 2
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| Subject: | Re: Cable load on rear rib 7 |
Yes, you are being unnecessarily concerned. It may look flimsy with
just the skeleton laying there in your workbench but you'll be amazed
how much more solid everything gets after the skins get riveted on.
I've never heard of any problems in that area and the fleet has
accumulated thousands of hours. Build it to plans and fight the urge
to add structure and weight where none is needed. You would also be
amazed at how quickly those little modifications can add excess weight
to the final assembly.
dalemed wrote:
> I'm in the process of attaching the Bellcrank Support and Bellcrank
> Support Channel to Rear Rib 7. I can't help but wonder how RR7
> supports 70 (+/-10) lbs of cable force (each cable pulling with 30
> (+/-5) lbs.).
>
> It's Saturday or I'd call the factory to ask them if it might be
> wise to add L angle doublers to the Bellcrank Support Channel.
>
> Am I unnecessarily concerned?
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.
Message 3
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| Subject: | Re: Cable load on rear rib 7 |
I obviously have a problem with addition - 30+30=60, not 70 lbs. However, I think
the rib really does see 60 lbs of force (30 lbs each cable).
Thanks to everyone who's reminded me that a lot of planes have flown for a lot
of hours with this design without problems. I'll just go back to building :-)
--------
Dale
Flying Cessna 170B
Building Zenith 601XL
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| Subject: | pitot static line |
Can anyone tell me what they're doing with the altitude encoder static line
on their Zodiac? ZAC says a static tube is not necessary since cabin
pressure is the same as outside however, will the encoder report correctly
if you don't hook it up to a static line/port? Also, if you're not using a
static port, are you just leaving the hole(s) empty in the back of the
appropriate instruments or are you running a brief tube that either connects
the instruments or simply left open within/under the panel? Thanks for any
help you might provide!
Message 5
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| Subject: | Re: pitot static line |
On Sunday 09 November 2008 14:56, TOM wrote:
> Can anyone tell me what they're doing with the altitude encoder static line
> on their Zodiac? ZAC says a static tube is not necessary since cabin
> pressure is the same as outside however, will the encoder report correctly
> if you don't hook it up to a static line/port? Also, if you're not using a
> static port, are you just leaving the hole(s) empty in the back of the
> appropriate instruments or are you running a brief tube that either
> connects the instruments or simply left open within/under the panel? Thanks
> for any help you might provide!
I don't have a Zenith built, so I don't have anything that would give me a
definite measurement. However, I was told many years ago that the pressure
inside a closed aircraft cabin is slightly lower than the pressure outside.
If this is true, using the air pressure inside the aircraft would give you
slightly higher altitude readings.
Having said this, on page 6 W 9 of the drawings Zenith provided, there appears
to be both a static and a dynamic pitot tube installed in the wing. Do your
drawings differ?
--
=============================================
Those who can, do. Those who can't, sue.
================================================
Jim B. Belcher
BS, MS Physics, math, Computer Science
A&P/IA
Instrument Rated Pilot
General Radio Telephone Certificate
================================================
Message 6
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| Subject: | Re: pitot static line |
Hi Tom,
I am getting altitude information from my Dynon EFIS to the
transponder, so I don't have your exact issue. But, as usual, I do
have a comment or two . . .
It is true the cabin pressure will be nearly the same as static
instrument pressure, but there will be some differences -
particularly a lag when you change altitude. It probably doesn't
make much difference to ATC whether you report your altitude
accurately or not since everyone uses non-sensitive pressure altitude
for this purpose. Still, if you can hook up your static pressure to
your blind encoder it certainly won't hurt anything.
Paul
XL getting close
At 12:56 PM 11/9/2008, you wrote:
>Can anyone tell me what they're doing with the altitude encoder
>static line on their Zodiac? ZAC says a static tube is not
>necessary since cabin pressure is the same as outside however, will
>the encoder report correctly if you don't hook it up to a static
>line/port? Also, if you're not using a static port, are you just
>leaving the hole(s) empty in the back of the appropriate instruments
>or are you running a brief tube that either connects the instruments
>or simply left open within/under the panel? Thanks for any help you
>might provide!
Message 7
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| Subject: | Re: pitot static line |
For both mt CH701 and Cessna150A there was considerable airspeed error and minor
altitude error without a proper static port. This is fine for marketing purposes
adding 15% to the cruise speed. Usual practice when not connecting a static
port is to plumb all the instrument static lines together and fit a plug with
small holes or cotton wool filter to the end of the line. The cost of a dual
pitot/static probe or the static ports is so small its better to use them. Once
you have them in an aircraft its easy to pull the line inflight and verify
the errors. Perhaps someone with your model could chip in here with real results
Ralph
--------
Ralph - CH701 / 2200a
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| Subject: | MGL voyager glass panel. |
Has anyone got a picture they can post or link to of a MGL voyager panel in a 601xl
?
I have found one of the huge Odessy but not of the newer Voyager.
Need to try and visualize if I like it or not.
Thanks all.
K
--------
Austria ...guess where I work!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=213208#213208
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| Subject: | MGL voyager glass panel. |
I have 601XL and CH701 blank panels and a Voyager. I'll place the Voyager on
the panels and take some pictures. I have CAD outlines for the 601XL and
CH701 panels and the Voyager and there is at least one free CAD program on
the Web. I'll look at uploading some CAD files and some bit-map files that
you could play with in the Paint program provided with Windows.
If you haven't already, consider joining the Stratomaster list on Yahoo.
Aside from 655 users, Rainier, Nicol and Matt from MGL hang out there.
http://groups.yahoo.com/group/stratomaster_users_group
-- Craig
-----Original Message-----
From: owner-zenith601-list-server@matronics.com
[mailto:owner-zenith601-list-server@matronics.com] On Behalf Of K Dilks
Sent: Sunday, November 09, 2008 11:30 PM
Subject: Zenith601-List: MGL voyager glass panel.
Has anyone got a picture they can post or link to of a MGL voyager panel in
a 601xl ?
I have found one of the huge Odessy but not of the newer Voyager.
Need to try and visualize if I like it or not.
Thanks all.
K
--------
Austria ...guess where I work!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=213208#213208
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| Subject: | Re: MGL voyager glass panel. |
Thanks , will be most grateful. did not know about the yahoo group too.
Plannning ahead but nessasary for the finance minister (wife) !
K
craig(at)craigandjean.com wrote:
> I have 601XL and CH701 blank panels and a Voyager. I'll place the Voyager on
> the panels and take some pictures. I have CAD outlines for the 601XL and
> CH701 panels and the Voyager and there is at least one free CAD program on
> the Web. I'll look at uploading some CAD files and some bit-map files that
> you could play with in the Paint program provided with Windows.
>
> If you haven't already, consider joining the Stratomaster list on Yahoo.
> Aside from 655 users, Rainier, Nicol and Matt from MGL hang out there.
>
> http://groups.yahoo.com/group/stratomaster_users_group
>
> -- Craig
>
> --
--------
Austria ...guess where I work!
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http://forums.matronics.com/viewtopic.php?p=213212#213212
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