Today's Message Index:
----------------------
1. 04:50 AM - Re: Nuvite Polishing (ashontz)
2. 08:06 AM - Re: Upper Engine Mount (BRS Style) (Gig Giacona)
3. 09:13 AM - Re: Nuvite Polishing (DaveG601XL)
4. 09:16 AM - Re: Nuvite Polishing (DaveG601XL)
5. 10:38 AM - Re: Nuvite Polishing (PatrickW)
6. 12:31 PM - Re: Nuvite Polishing (DaveG601XL)
7. 12:49 PM - Trim tab play (countzero)
8. 02:02 PM - Re: Trim tab play (Bryan Martin)
9. 04:27 PM - Zenith Builders Analysis Group -- "I'm in" responders -- With Attachment! (Terry Phillips)
Message 1
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| Subject: | Re: Nuvite Polishing |
I was thinking about polishing each section as I completed it. What tools are needed
to polish?
Also, how are you storing them? Is long term dust a problem?
challgren(at)mac.com wrote:
> On May 7, 2008, at 11:23 AM, PatrickW wrote:
>
> >
> >
> > I bought the whole Nuvite package at Oshkosh last year. Haven't
> > started polishing yet, but plan to.
> >
> > Do you get much glare from the sun off your wings?
> >
> > Did you polish the bottom of your airplane? Is it holding up? Is
> > it easy to clean bugs off?
> >
> > Thanks!
> >
> > --------
> >
> >
>
> I did get some glare on my 601 HDS and had planned to paint the strip
> that covers the wing roots but never got around to it. The glare was
> livable and usually only a problem early in the morning or later in
> the day.
>
> I did polish the bottom and it made it easier to keep it clean.
>
> The polish held up great. It took about 50 hours to do the initial
> polishing and less than 5 hours per year in upkeep. The latter
> involved soaking a towel with water and wiping the leading edges down
> after each flight and then taking a dry towel to finish. Each such
> action took less than 5 minutes. The polish held up for four years
> and looked great when the aircraft was sold.
>
> Stan
> Building a 701 and polishing as I go
--------
Andy Shontz
do not archive
CH601XL - Corvair
www.mykitlog.com/ashontz
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=181879#181879
Message 2
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| Subject: | Re: Upper Engine Mount (BRS Style) |
Scott, Does your front attach point connect with the bottom longeron?
cookwithgas wrote:
> Patrick:
>
> Wow! There are lots of ways to skin a cat! (my daughter's least favorite expression).
My BRS mounts are completely different from either of the drawings
you posted. I got my drawings from BRS, then sent them back some small revisions
for the XL since their drawings were for the non-XL 601.
>
> I have an extra attach point up front and my rear point is on the bottom longerons
tied into the step support.
>
> I guess all three ways would work if you needed to pull the red handle.
>
> Scott Laughlin
> http://www.cooknwithgas.com/BRS.html
--------
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=181916#181916
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| Subject: | Re: Nuvite Polishing |
Andy,
Go to http://www.nuvitechemical.com. Look for non-clad polishing procedures under the 'aircraft' and 'procedures' tabs. There are also links to their products. I am currently polishing my XL with F9.
Good Luck.
--------
David Gallagher
601 XL, working on final assembly.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=181928#181928
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| Subject: | Re: Nuvite Polishing |
Andy,
Go to http://www.nuvitechemical.com. Look for non-clad polishing procedures under the 'aircraft' and 'procedures' tabs. There are also links to their products. I am currently polishing my XL with F9.
Good Luck.
--------
David Gallagher
601 XL, working on final assembly.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=181931#181931
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| Subject: | Re: Nuvite Polishing |
So when we all finally meet in person at OSH or SnF someday, how will we tell our
airplanes apart... [Laughing]
- Pat
--------
Patrick
601XL/Corvair
N63PZ (reserved)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=181955#181955
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| Subject: | Re: Nuvite Polishing |
Pat, good point! Actually we did meet briefly at Oshkosh last year one afternoon
on the flight line. I believe it was just as the 601XL from the new england
area arrived after the air show and we both looked it over for a while. Hopefully
my polished XL will be the one with the military theme to it. I am still
working on this idea and have a ways to go.
Good luck,
--------
David Gallagher
601 XL, working on final assembly.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=181986#181986
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After drilling the elevator Trim Tab Horn Angle (6T6-6) with an 1/8" hole as called
out in the drawings and manual; I found the fit of the clevis pin was fairly
loose resulting in a small amount of play in the trim tab, a couple of mm
up and down. It seems like it might rattle about a little in flight. Is this OK
or should the trim tabs feel solid?
Rob
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=181990#181990
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| Subject: | Re: Trim tab play |
Mine is similar, I've had no problem with it in nearly 225 hours of flight.
countzero wrote:
>
> After drilling the elevator Trim Tab Horn Angle (6T6-6) with an 1/8" hole as
called out in the drawings and manual; I found the fit of the clevis pin was fairly
loose resulting in a small amount of play in the trim tab, a couple of mm
up and down. It seems like it might rattle about a little in flight. Is this
OK or should the trim tabs feel solid?
>
> Rob
--
Bryan Martin
Zenith 601XL N61BM
Ram Subaru, Stratus redrive
Do Not Archive
Message 9
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| Subject: | Zenith Builders Analysis Group -- "I'm in" responders |
-- With Attachment!
Dear Fellow Zenith Builder
This message was originally sent to Zenith-Listers who responded "I'm in"
to the thread regarding an independent analysis of the 601XL wing. It is
posted here for two reasons:
* To avoid missing any "I'm in" responders because of spam filters or
whatever reason
* To give all readers of the Zenith-List a second chance to participate
in the Independent Analysis of the 601XL wing
Regarding the apparent wing failure accidents with 601XL's:
At 09:42 AM 3/12/2008 -0500, John Bolding wrote:
>>I've got no dog in this hunt as I'm building a 701, however, I
>>mentioned a year ago that if you XL guys are SERIOUS about getting to the
>>bottom of this then 3RD party analysis is your best bet. Zenith has shown
>>they are unwilling or not capable of anything other than redoing what
>>they already did and that proves nothing.
>>
>>Many years ago the Adventurer Amphib had a wing failure and after ONE
>>such incident the builders got together and hired Martin Holman to do a
>>flutter/ vibration/structure analysis. He found that with the wing tanks
>>at a certain % of fuel the wing had an unstable mode at a speed well
>>within cruise speeds, a fix was determined and life was good, at least
>>as good as the rest of the airplane which was a POS.
>>
>>SOMEBODY needs to belly up to the bar and DO SOMETHING instead of just
>>whine and moan. Find an engineer capable of this project, pass the hat,
>>send him a set of drawings and see what shakes out. It ain't going away
>>folks. The FAA isn't going to help, the NTSB isn't going to help, the
>>ball is on YOUR side of the net.
>>
>>John
After John's post, Andy Shontz started a thread on the Zenith List giving
Zenith-Listers the opportunity to declare their support for conducting an
independent structural analysis of the 601XL wing design. You are one of
those who responded with an "I'm in."
Andy recently stated on the Zenith-List that he was unable to lead the
analysis effort. So, ...
In John's words, I've decided to "belly up to the bar and DO SOMETHING."
Two potential sources for the analysis were mentioned on the List, Orion
Technology and an "MIT Aeronautical Engineer." I had a wonderful
conversation with Bill Husa of Orion. Bill was very friendly and helpful.
However, he is over-committed at this time and did not feel comfortable
taking on this project now. I called the number given for the MIT
aeronautical engineer several times, and left a voice mail, but was never
able to make contact.
With the help of a friend, I have identified an aircraft structural
engineer, Mark Sensmeier, who is qualified and willing to do the analysis.
Mark and I have agreed upon a statement of work and a project cost. For
more information about Mark, see:
http://pr.erau.edu/~sensmeim/
I have attached a pdf file containing the SOW, Mark's cost estimate, and a
Release and Hold Harmless form. As you can see, Mark provided a cost
estimate for the basic task, "To attempt to determine whether the structure
(including the skin), as designed, has adequate strength to meet the
published design loads of =B16G," as well as, for several optional tasks
that
may be done, if funding is available.
Which brings us to funding. While my belly is plenty big enough for the
bar, my wallet is too thin to pay for the analysis myself. So, I will open
a savings account at the Ravalli County Bank, Corvallis, MT, with my $300
contribution to the support fund. All withdrawals from the account will
require a signature from both me and from another group member, Al Hays.
I've not met Al--I picked him off the "I'm in" list. I thank him for
agreeing to help with the project. I was able to find 25 people who posted
an "I'm in" message. I know that some those may have changed their mind,
so, I've budgeted assuming that we can get twenty $300 contributions, for a
working fund of $6000. This would allow us to pay for the basic analysis
plus a couple of the extras. Mark estimates $4800 for basic analysis plus a
final report. So, our absolute, drop-dead requirement (possibly not the
best metaphor :-) to do the basic analysis would be 16 contributors at
$300/ea. As an aside, Bill Husa of Orion Technology gave me a ball park
estimate of $4-5,000 for the basic analysis.
To formally join the effort, I need you to do the following:
* Print, sign and date the Release and Hold Harmless, and put it into
an envelope addressed to me:
* Terry Phillips
* 1956 Haywire Lane
* Corvallis MT 59828 USA
* Produce a self-addressed-stamped-envelope (SASE)
* Write out a $300 check to "Zenith Builders Analysis
Group-Phillips-Hays."
* Put the check into the SASE.
* Put the un-sealed SASE into the envelope addressed to me.
* Mail the envelope to me.
* Time is critical right now. Mark has out-of-town commitments after
June 11, and he will not be back until early August. If I hear from you
promptly, it may be possible to get the basic analysis done before he
leaves on June 11.
If you decide that you will not support this independent analysis, please
inform me by email. To make sure that I reach all of you, I will post a
version of this note on the Zenith-List. I will hold all checks until we
reach a total of $4,800. At that point, I will deposit the checks into the
account and initiate a letter contract with Mark to begin the analysis.
I'll let you know when this occurs. If I do not receive a total of $4,800
within 4 weeks, i.e., by 6/5/08, I will conclude that the commitment to do
the analysis just isn't there, and I will return your check to you, using
your SASE. If you have not provided a SASE, I will shred your check.
Some of the "I'm in" responders appear to reside outside the US. I would
like to proceed a bit differently with you all. Please print, sign, and
date the Release and airmail it to me. Do not send any cash at this time,
but do notify me by email that you are mailing the release. I will notify
you, if and when we reach the $4,800 contribution level. At that time I
will request that you send me your payment by PayPal or by international
money order. I'd like to minimize sending funds across international
borders in the event that we cannot raise $4800. To expedite contracting, I
will commit to Mark based upon receipt of your signed release, so please do
not send the release unless you are serious about supporting the effort.
Thank you.
If we eventually receive contributions that exceed $6,000, we will, in order
* Authorize Mark to perform additional optional analyses that appear to
give the most bang for the buck.
* Print paper copies of Mark's final report and mail them to group
members (Otherwise, you'll only get a pdf).
* Reimburse me and/or Al for any up-front expenses, such as copying my
601XL plans for Mark.
* Contribute any remaining funds to an appropriate charity, such as the
AOPA Aviation Safety Foundation.
At the completion of the project we will do the following:
* Send each group member either a paper or pdf copy of the final report.
* Send two copies of the final report to ZAC; one for ZAC, and one to
be forwarded to the NTSB.
* Close out the bank account.
* Email a spreadsheet to each contributor detailing all expenses
incurred by the group.
* Fly into the sunset, wishing CAVU for 601XL builders everywhere.
In closing, let me say that, as shown by my Kitlog site referenced below, I
am not some fly-by-night hustler. I am a legitimate 601XL builder. I want
to be able to fly my 601 with confidence that the wings will not fall off
when I'm flying straight and level in the pattern. Al and I will do our
best to run this project for the common good of all 601XL builders. Once
the project is underway, Al and I will be glad to consider any input that
you may have regarding Mark's work. But, to keep the project manageable, we
will reserve final directions for Mark to ourselves. If you have any
questions about anything I've written above, you may call me at
406-961-5342. Thank you for your support.
Copying U.S. Grant's signature in a note to General S.B. Buckner, CSA, at
Fort Donelson, TN.
I am sir, very respectfully,
Your obedient servant,
Terry Phillips
Zenith Builder 6-6783
Terry Phillips
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/
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