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601XL Wings

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zodierocket(at)hsfx.ca
Guest

Posted: Thu Dec 20, 2007 6:12 am Post subject: 601XL Wings

Hi Guys, I have been busy trying to catch up on floats for the Sebring

show, so I have not been able to read the daily letters and have been

playing catch up every other day. I am not going to repeat everything I

have written in the past on the wings and the failures that were

reported. That is all in the archive. 



For those of you who are new to this list and have not seen this thread

before please refer to the archives, it has all been discussed before

and every few months it pops up, not as a new inquiry just as an old

re-hashing, much like you will see a re-hashing of scotch bright pads,

vortex generators and others.



Transport has given it's final reports on the investigations that have

concluded and of course they are as clear as mud, so I have tried in the

past to fill in the blanks without violating the company agreement of

not disclosing privileged information. 

If the wings were in any type of danger then the FAA would have put a

halt on the AMD Certified version of the LSA 601XL. They have not and

have not even made suggestions to the manufacturing. Your 601XL kit is

built from the same jigs as the SLSA certified version. 

 

I know more information of the accidents that have been bounced around

this list and each has a reason for the result, none of which are

attributed to the structure of the wing itself, once again check the

archives for the information.

Nevertheless, to calm everyone, the wings were tested again, under the

authority of a 3rd party and that information was for your benefit, not

the FAA's and not for Zenith. They passed all tests and exceeded design

loads beyond stated limits.



Now I am hearing people saying that they are not installing wing lockers

because of fear induced by others. One such statement is that the

demonstrator with 1200 hrs on it doesn't have them. So why does the

demonstrator not have wing lockers, that one is simple. The demo plane

is used at all the airshows for people to get into and out of, to try on

for size and feel. With all those thousands of people getting in and out

more then once, people have lost their balance and fallen, tripped and

stepped on the wing where the lockers would have been installed. Not

having the lockers on the demo plane has nothing to do with the wings

strength but everything to do with people who have never been in a small

plane and step in the wrong spots. Installing the supporting structure

for the wing lockers strengthens the area more then just a skin, but it

would not handle a 300lb man stepping directly on them. IF you want to

strengthen the wing then install the lockers, it adds a mini spar and

the added "L's" re-enforce the whole area.



I don't have wing lockers on my demo plane for a different reason, I

personally don't like the look of them. OF course that is me and my

opinion. But I really do see the value of them in the ability to store

oil and other things that I may not want in the cabin.



You all chose Zenith, not for the 601 itself but as a package, the

company, the designer and the people you interact with. All of this was

in your consideration of going with the 601 series. You know the ethics

of the company, you know that if anything arises Zenith is right on it.

Plus if anything is amiss then you would hear it from me personally.



I have remained on this list, mainly because I have been here since the

beginning, I have been here as a builder and remained when I became

Can-Zac. I am in no way here as a moderator, I believe everyone has the

right to vent frustration and express concerns. I do not provide tech

support or comment on opinions that I my feel differently about (well

most times). The company does not monitor this list, and I only read

posts from this list when I am at home on my personal computer. So any

comments that you feel need to be brought to Zenith's attention needs to

be mailed to them directly. It will be of little use to expect a result

from Zenith if they don't know you asked a question. 

Mark Townsend

Can-Zac Aviation Ltd.

president(at)can-zacaviation.com

www.can-zacaviation.com 



 



12/19/2007 7:37 PM

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chris Sinfield

Joined: 28 Nov 2006
Posts: 270
Location: Sydney Australia

Posted: Thu Dec 20, 2007 12:26 pm Post subject: Re: 601XL Wings

Mark



Thanks for putting it back on the rails..



as for wing lockers.. I have them in my plane. and after building them I agree that it ADDS strength to the wing. I would not be without it for x country trips



Please for the new people read the older posts and the accident reports.

As a parent would you let you kids fly your plane if you had insider info thought it was unsafe?. of course not... but the Hinze family fly the 601 daily..



enough said back to building and flying xls ..



chris..

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ashontz

Joined: 27 Dec 2006
Posts: 723

Posted: Thu Jan 03, 2008 4:31 am Post subject: Re: 601XL Wings

This more than anything makes me feel better about it all; having multiple sets of qualified eyes looking at the plans.



The silence was deafening.



 	  zodierocket(at)hsfx.ca wrote: 	
		  

If the wings were in any type of danger then the FAA would have put a

halt on the AMD Certified version of the LSA 601XL. They have not and

have not even made suggestions to the manufacturing. Your 601XL kit is

built from the same jigs as the SLSA certified version.

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith-List

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