Today's Message Index:
----------------------
1. 06:27 AM - Re: Filling Rivet Head Holes (rbjjr)
2. 09:06 AM - Flutter Experience (Terry Phillips)
3. 10:21 AM - Bright screen on Dynon D-180 (J.T. Machin)
4. 10:45 AM - Re: Bright screen on Dynon D-180 (Ashley)
5. 02:55 PM - Re: Bright screen on Dynon D-180 (Tom Orsborn)
6. 03:33 PM - metallurgical test (Carlos Sa)
7. 03:47 PM - canzac aviation (Alvin Rose)
8. 04:23 PM - Re: metallurgical test (Bryan Martin)
9. 04:35 PM - Re: can-zac aviation (Bryan Martin)
10. 08:40 PM - Re: Bright screen on Dynon D-180 (DaveG601XL)
11. 09:49 PM - Re: metallurgical test (Carlos Sa)
12. 09:49 PM - Re: Bright screen on Dynon D-180 (Sabrina)
13. 10:09 PM - Re: metallurgical test (George Swinford)
14. 10:21 PM - Re: Bright screen on Dynon D-180 (Sabrina)
15. 10:37 PM - Re: Re: Bright screen on Dynon D-180 (J.T. Machin)
16. 10:46 PM - Re: Re: Bright screen on Dynon D-180 (J.T. Machin)
17. 10:58 PM - Re: Re: Bright screen on Dynon D-180 (J.T. Machin)
Message 1
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| Subject: | Re: Filling Rivet Head Holes |
Thanks for the responses and (good) advice!
I'll skip filling the holes and move on the bigger and better things (like the
elevator)!
Burke Johnson CH701
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=191310#191310
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| Subject: | Flutter Experience |
With Tom Mim's permission and much trepidation I'm posting an email that I
received from Tom describing his experience with flutter in his 601XL. Bill
of Georgia has also posted his experience with flutter while passing over
an electric plant. My goal is to find out how rare (or prevalent) the
occurrence of flutter is in 601XL's. Those are the only two instances of
flutter that I recall reading about. If you have experienced flutter in
your 601XL, I would very much appreciate receiving as complete a
description as possible:
* Flight conditions, IAS, altitude, temperature, maneuvers
* Total hours on your aircraft at the time of the incident
* Flight maneuvers taken in response to flutter and the effect, if any,
on the flutter
* Any subsequent changes or modifications done to your aircraft to
eliminate the flutter
Please respond on- or off-line as you prefer. My goal is just to collect
information here, not to start a flame-war. To reach the widest possible
audience, I am posting this on both the Zenith-List and the ZBAG forum.
Thank you for sharing your experience.
Terry
> >At 02:42 PM 5/9/2008 -0700, Tom wrote:
> >>My KitLog E-mail From: mimsdsl@dnet.net
> >>
> >> ...
> >>
> >>Tom Mims
> >>
> >>P.S. Had wing flutter 2x, Tightened aileron cables, added flap stops, no
> >>more flutter. Still worried!
At 06:29 PM 5/15/2008 -0400, Tom wrote:
>Terry,
>No objection to sending my email to the list. I read it, just havent't
>taken the time to figure out how to send messages to it. So far my few
>attempts have failed. I'm a cumputer dummy.
>
>Straight snd level 110 KIAS experienced wing vibration or flutter that
>seemed to be building or intensifying. Can't be too sure about that though
>because I reacted quickly by reducing throttle and simultainiously turning
>left and pulling up (to reduce airspeed.) Flutter stopped immediately w/
>the climbing turn and reduced speed. A repeat test duplicated the
>experienc at 105 to 110 KIAS. I repeated the same maneuver with the same
>results. I wish I could remember for sure, but the Stick may have
>fluttered ,too. Damn, the whole plane was shaking!
>On the ground a friend was sure it was because of too much slop in the
>ailerons - Cables were too loose.
>Another kit builder pointed out that that I had omited the flap stops.
>Both of these problems were corrected. (And I reverseed the main gear
>because of nose heavy landings.)
>Next test flight, no flutter at all. ZIP, NADA, Couldn't make it do it no
>matter how fast I went. 120 KIAS was all that I dared to do, though.
>I'm fairly sure it was the aileron cable slop that was the real cause of
>the problem.
>The vibration was fairly violent. If allowed to build, I beleive it could
>easily destroy the center spar carry-through.
>We all know where that would end up.
>I'v downloaded release form. will send $. Sure hope we can nail this thing
>down. Thanx for your help.
>Tom Mims N601T
> >
> >
Terry Phillips ZBAGer
ttp44~at~rkymtn.net
Corvallis MT
601XL/Jab 3300 s .. l .. o .. o .. w build kit - Tail, flaps, & ailerons
are done; working on the wings
http://www.mykitlog.com/N47TP/
Message 3
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| Subject: | Bright screen on Dynon D-180 |
I am sending in by D-180 for service and I was considering upgrading the sc
reen.- Does anyone have an opinion on whether or not the upgrade is neede
d or worth the expense when used in a Zodiac?-
Jim Machin
601 Xl Quickbuild, 0-200
=0A=0A=0A
Message 4
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| Subject: | Re: Bright screen on Dynon D-180 |
I just sent my D-180 in for service and ordered the Bright Screen
upgrade. I will not have it back for about two weeks. I will let you
know what I find out when I get it back.
Floyd Wilkes
601XL O-200
----- Original Message -----
From: J.T. Machin
To: zenith-list@matronics.com
Sent: Saturday, July 05, 2008 12:17 PM
Subject: Zenith-List: Bright screen on Dynon D-180
I am sending in by D-180 for service and I was considering
upgrading the screen. Does anyone have an opinion on whether or not the
upgrade is needed or worth the expense when used in a Zodiac?
Jim Machin
601 Xl Quickbuild, 0-200
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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3D
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3D
Message 5
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| Subject: | Bright screen on Dynon D-180 |
Hello Ron
Did you get away from North Texas this week?
tom
On Sat, Jul 5, 2008 at 12:17 PM, J.T. Machin wrote:
I am sending in by D-180 for service and I was considering upgrading the
screen. Does anyone have an opinion on whether or not the upgrade is
needed or worth the expense when used in a Zodiac?
Jim Machin
601 Xl Quickbuild, 0-200
Message 6
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| Subject: | metallurgical test |
Given a piece of aluminum 0.125 thick, triangular (square), small side 15 mm
- does anybody know if it is possible to determine if it is actually
6061-T6?
An actual reference (as a specific lab name) would be great.
Thanks
Carlos
do not archive.
Message 7
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Hi List
I have been trying to contact Mark Townsend at Canzac
aviation but can not get an answer on their telephone line.
anyone know if Mark or Canzac is still there..
I have a set of 1150 floats on order..Trying to find if they are Built..
and ready to ship..Perhaps Mark can contact me if he is still
on this list. Is anyone on the list using the Canzac 1150 Amphibious
floats
and how are they performing..I hope everyone is enjoying the summer
and lots of flying
Best Regards
Alvin Rose
1-709-891-1883
CH-701
Message 8
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| Subject: | Re: metallurgical test |
It's certainly possible. The 6061 identifies the alloying elements
added to the aluminum and the T6 identifies the heat treat process. A
mass spectrometer would be one way to confirm the 6061 specification
and a hardness test could then probably verify the T6 specification.
I'm no expert but a good metallurgical lab should have no trouble with
this identification. Maybe a university lab would have the needed
equipment.
On Jul 5, 2008, at 6:29 PM, Carlos Sa wrote:
> Given a piece of aluminum 0.125 thick, triangular (square), small
> side 15 mm - does anybody know if it is possible to determine if it
> is actually 6061-T6?
>
> An actual reference (as a specific lab name) would be great.
>
> Thanks
>
> Carlos
>
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.
Message 9
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| Subject: | Re: can-zac aviation |
I believe He's still on the Zenith601, Zenith640 and Zenith701801
lists; or you might try info@can-zacaviation.com
On Jul 5, 2008, at 6:44 PM, Alvin Rose wrote:
> Hi List
>
> I have been trying to contact Mark Townsend at Canzac
> aviation but can not get an answer on their telephone line.
> anyone know if Mark or Canzac is still there..
> I have a set of 1150 floats on order..Trying to find if they are
> Built..
> and ready to ship..Perhaps Mark can contact me if he is still
> on this list. Is anyone on the list using the Canzac 1150 Amphibious
> floats
> and how are they performing..I hope everyone is enjoying the summer
> and lots of flying
> Best Regards
>
> Alvin Rose
> 1-709-891-1883
> CH-701
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus redrive.
do not archive.
Message 10
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| Subject: | Re: Bright screen on Dynon D-180 |
I have the bright screen Dynon D-180 and cannot imagine having anything dimmer,
especially on a bright day. I have been doing taxi testing on bright days and
it is very readable, but could be brighter. Based on this, I would not have
anything but the bright screen upgrade if I were you.
Good luck,
--------
David Gallagher
601 XL, working on final assembly.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=191395#191395
Message 11
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| Subject: | Re: metallurgical test |
Right, I did find at least two labs that will do it, one of them a 5 minutes
drive from home.
The 6061 specification requires about 1g of material (and costs $160).
The T6 test (tensile) requires samples 2" long for one lab case and 5" long
for another ($70 per test).
Problem is, my sample is that small 0.125 thick, square triangle, small side
15 mm. A bigger sample destroys the subject of the testing.
I was hoping somebody on this list would have gone through this... I guess
not, but thanks, anyway
Carlos
2008/7/5 Bryan Martin <bryanmmartin@comcast.net>:
>
> It's certainly possible. The 6061 identifies the alloying elements added to
> the aluminum and the T6 identifies the heat treat process.
>
>
Message 12
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| Subject: | Re: Bright screen on Dynon D-180 |
Six months of flying here in all conditions, morning sun, setting sun, high noon,
winter sun with glare off the snow, intense sun on a perfect day as today,
the normal D-180 does well. The shorter life expectancy of the brighter screen
would worry me. So too, once used to the bright screen, the dim screen while
running on internal battery would seem a distraction to me. The last thing
one needs during a power failure is straining to see the 'new' dim screen.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=191404#191404
Message 13
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| Subject: | Re: metallurgical test |
Carlos:
Why not just buy some 6061-t6 with the proper certification? I'll bet
that will be less expensive than testing what you have?
George
----- Original Message -----
From: Carlos Sa
To: zenith-list@matronics.com
Sent: Saturday, July 05, 2008 9:46 PM
Subject: Re: Zenith-List: metallurgical test
Right, I did find at least two labs that will do it, one of them a 5
minutes drive from home.
The 6061 specification requires about 1g of material (and costs $160).
The T6 test (tensile) requires samples 2" long for one lab case and 5"
long for another ($70 per test).
Problem is, my sample is that small 0.125 thick, square triangle,
small side 15 mm. A bigger sample destroys the subject of the testing.
I was hoping somebody on this list would have gone through this... I
guess not, but thanks, anyway
Carlos
2008/7/5 Bryan Martin <bryanmmartin@comcast.net>:
<bryanmmartin@comcast.net>
It's certainly possible. The 6061 identifies the alloying elements
added to the aluminum and the T6 identifies the heat treat process.
Message 14
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| Subject: | Re: Bright screen on Dynon D-180 |
Just out of curiosity... why are you all sending your units in for service?
Stein cables, the ones supplied by Dynon to me in 2006 had a pair of wires flipped
in their EFIS D180 harness and one 'open' wire on their EMS D180 harness.
I wrote to them, but they never wrote back. Dynon did talk to me last Air Venture
about it.
P.S. My last post assumed Dynon still drops the intensity to 300 nit during a power
failure/back up run on the 800 nit screen models but allows the 400 nit D180
owners to maintain that intensity even when running on back up. If you 800
nit owners can maintain their 800 nit screen while running on back up, how long
does it last?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=191408#191408
Message 15
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| Subject: | Re: Bright screen on Dynon D-180 |
Yea, that's is what I figured, but I thought I would check.- I guess I wi
ll be going for the
upgrade.
Thanks a lot for the input,
Jim
601 XL Quickbuild - 0-200
--- On Sat, 7/5/08, DaveG601XL <david.m.gallagher@ge.com> wrote:
From: DaveG601XL <david.m.gallagher@ge.com>
Subject: Zenith-List: Re: Bright screen on Dynon D-180
<david.m.gallagher@ge.com>
I have the bright screen Dynon D-180 and cannot imagine having anything dim
mer,
especially on a bright day. I have been doing taxi testing on bright days
and
it is very readable, but could be brighter. Based on this, I would not hav
e
anything but the bright screen upgrade if I were you.
Good luck,
--------
David Gallagher
601 XL, working on final assembly.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=191395#191395
============0A=0A=0A
Message 16
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| Subject: | Re: Bright screen on Dynon D-180 |
I didn't know there was a difference.- What is the hit on life expectancy
?
I have a Map296 and have trouble seeing it when I wear sun glasses which is
a bit irritating.
Thanks for your input,
Jim
601 XL Quickbuild - 0-200
--- On Sat, 7/5/08, Sabrina <chicago2paris@msn.com> wrote:
From: Sabrina <chicago2paris@msn.com>
Subject: Zenith-List: Re: Bright screen on Dynon D-180
<chicago2paris@msn.com>
Six months of flying here in all conditions, morning sun, setting sun, high
noon, winter sun with glare off the snow, intense sun on a perfect day as
today, the normal D-180 does well. The shorter life expectancy of the brig
hter
screen would worry me. So too, once used to the bright screen, the dim scr
een
while running on internal battery would seem a distraction to me. The last
thing one needs during a power failure is straining to see the 'new'
dim screen.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=191404#191404
============0A=0A=0A
Message 17
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| Subject: | Re: Bright screen on Dynon D-180 |
My unit won't power-up.- I bought it a little over a year ago and install
ed into the panel and everything worked fine.- I did demo the thing durin
g hanger flying quite a bit without the main battery online and I did notic
e that the backup battery was showing low voltage.- I then let the unit s
it while I went on to build the wings (2 or 3 months) and when I checked th
e unit again it would not power-up on internal or external battery.- Dyno
n says ship it back.
By the way, what did you use for CHT sensors?(I think yours is an 0-200 as
well)?- The ones that came with the engine sensor package had bayonet typ
e and my 0-200 won't accommodate.
Jim
601 XL Quickbuild - 0200
--- On Sat, 7/5/08, Sabrina <chicago2paris@msn.com> wrote:
From: Sabrina <chicago2paris@msn.com>
Subject: Zenith-List: Re: Bright screen on Dynon D-180
<chicago2paris@msn.com>
Just out of curiosity... why are you all sending your units in for service?
Stein cables, the ones supplied by Dynon to me in 2006 had a pair of wires
flipped in their EFIS D180 harness and one 'open' wire on their EMS
D180 harness. I wrote to them, but they never wrote back. Dynon did talk
to
me last Air Venture about it.
P.S. My last post assumed Dynon still drops the intensity to 300 nit during
a
power failure/back up run on the 800 nit screen models but allows the 400 n
it
D180 owners to maintain that intensity even when running on back up. If yo
u
800 nit owners can maintain their 800 nit screen while running on back up,
how
long does it last?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=191408#191408
============0A=0A=0A
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