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		chris Sinfield
 
 
  Joined: 28 Nov 2006 Posts: 270 Location: Sydney Australia
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				 Posted: Fri Jul 30, 2010 3:00 am    Post subject: Re: Report from OSH on 601xl update issues. | 
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				well I am glad I did not spend my $4000 going to Oshkosh, if all we can talk about is the 1200vs 1320 limits please..
 tell me something else was worth the trip??? 
 What happened at the BBQ? 
 did Dynon have any specials?
 is there going to be a 650C model???
 
 Chris..
 
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		slook(at)mchsi.com Guest
 
 
 
 
 
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				 Posted: Fri Jul 30, 2010 5:51 am    Post subject: Report from OSH on 601xl update issues. | 
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				As was going to remain silent on any more of this but I have to 
 comment on this statement.
 
 Nothing has been proved to show that CH has made any mistake. You 
 pointed me to a link in the FAA report to read so I went back to it again.
 
 "FAA analysis estimated that the wing design loads were 20 to 25 
 percent too low"
 
 Maybe I'm reading this too literally, but to me, engineering is a 
 pretty exact thing. I take this much of this type of stuff and then 
 apply this much force to it and it breaks or it doesn't.
 
 When critiquing someone else's work, with livelihoods and reputations 
 in the balance, it don't expect to see the word "estimate" anywhere.
 
 I'm sure Chris & company were surprised at the FAA finding. To my 
 knowledge, he still doesn't agree with them.
 
 Steve
 
 At 06:30 PM 7/29/2010, you wrote:
  	  | Quote: | 	 		  
 
 Engineers make mistakes, great engineers own up to their mistakes.
 
 | 	  
 Steve Look
 Monticello, IL
 www.ilrt66.com
 "Dogs have owners, Cats have staff"
 
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		rsteele(at)rjsit.com Guest
 
 
 
 
 
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				 Posted: Fri Jul 30, 2010 8:45 am    Post subject: Report from OSH on 601xl update issues. | 
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				I think the legal profession has seen to it that owning up to mistakes 
 is no longer a viable option for an engineer,
 whether great or not.  Nor for any other professional for that matter.   
 If you really believe that CH thinks there is/was a problem with XL, 
 then look no farther than your own parents' profession as the reason for 
 his denial.  He may or may not have made a mistake, but he certainly 
 isn't that stupid.  Even if he were willing to except personal 
 destruction, he would also be sacrificing the jobs of his sons, everyone 
 who works for a related company, and would no longer be able to support 
 his current customers.  Perhaps you think all that damage would be 
 justified.  I think that sort of damage is one reason this country is 
 falling to pieces.
 
 You clearly have the ability to be a great engineer.   The greater the 
 engineer, the greater consequences of a mistake.  I guess any you make 
 are likely to be duesies.   Would you take all your family and friends 
 down with you?
 
 Ron
 On 07/29/2010 07:30 PM, Sabrina wrote:
 
 
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		sabrina
 
  
  Joined: 15 Jun 2009 Posts: 170
 
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				 Posted: Fri Jul 30, 2010 9:58 am    Post subject: Re: Report from OSH on 601xl update issues. | 
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				Do Not Archive
 
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		rsteele(at)rjsit.com Guest
 
 
 
 
 
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				 Posted: Fri Jul 30, 2010 11:21 am    Post subject: Report from OSH on 601xl update issues. | 
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				There is a fix, whether needed or not.  It's not about saving lives, 
 it's about satisfying your curiosity and ego.
 As far as saving lives:  As an exercise, dress in some crappy cloths and 
 try to get medical care with no money and no insurance.  Now pretend you 
 are pregnant.  There are more ways to die than in plane crashes and 
 poverty has killed untold numbers through history.  Putting people out 
 of work has real and deadly consequences.  And make no mistake.  If CH 
 cried mea culpa there where be nothing left any of the Zenith companies 
 long before the law suites ended.
 
 I'm not making excuses for anyone here.  If there is a safety problem 
 with a plane it should be fixed.  But lawyers may well hinder the 
 process more than help.  I'm also not knocking lawyers in general, but 
 there are enough confluences of bad lawyers, but judges, bad juries and 
 bad laws to do great damage.
 
 Grow up.  Get an education.  Do the great things of which you seem to be 
 capable.  Lose the ego and since of entitlement.
 
 Ron
 
 On 07/30/2010 01:58 PM, Sabrina wrote:
 
 
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		jfowler120(at)verizon.net Guest
 
 
 
 
 
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				 Posted: Fri Jul 30, 2010 12:19 pm    Post subject: Report from OSH on 601xl update issues. | 
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				Ron,
 
 I seem to be missing some posts.  What is this business about "fairing 
 struts"?
 
 Karl
 
 --------------------------------------------------
 From: "Ron Steele" <rsteele(at)rjsit.com>
 Sent: Friday, July 30, 2010 3:18 PM
 To: <zenith601-list(at)matronics.com>
 Subject: Re: Re: Report from OSH on 601xl update issues.
 
  	  | Quote: | 	 		   
 
  There is a fix, whether needed or not.  It's not about saving lives, it's 
  about satisfying your curiosity and ego.
  As far as saving lives:  As an exercise, dress in some crappy cloths and 
  try to get medical care with no money and no insurance.  Now pretend you 
  are pregnant.  There are more ways to die than in plane crashes and 
  poverty has killed untold numbers through history.  Putting people out of 
  work has real and deadly consequences.  And make no mistake.  If CH cried 
  mea culpa there where be nothing left any of the Zenith companies long 
  before the law suites ended.
 
  I'm not making excuses for anyone here.  If there is a safety problem with 
  a plane it should be fixed.  But lawyers may well hinder the process more 
  than help.  I'm also not knocking lawyers in general, but there are enough 
  confluences of bad lawyers, but judges, bad juries and bad laws to do 
  great damage.
 
  Grow up.  Get an education.  Do the great things of which you seem to be 
  capable.  Lose the ego and since of entitlement.
 
  Ron
 
  On 07/30/2010 01:58 PM, Sabrina wrote:
 > 
 >
 > to save even one life, yes....
 >
 > not fairing the struts was a mistake...
 >
 >
 > Read this topic online here:
 >
 > http://forums.matronics.com/viewtopic.php?p=306829#306829
 >
 >
 >
 
 
  
 
 | 	 
 
 
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		rsteele(at)rjsit.com Guest
 
 
 
 
 
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				 Posted: Fri Jul 30, 2010 12:44 pm    Post subject: Report from OSH on 601xl update issues. | 
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				The fairer the struts, the better!
 
 What little I saw of the design scared the bejesus out of me, but I'm no 
 AE and she apparently had them vetted by one, so that's it as far as I'm 
 concerned.  Now it would be really interesting to get CH's unvarnished 
 opinion on those changes.  He certainly didn't hold back in his opinion 
 on the LAA stuff.
 
 Ron
 
 On 07/30/2010 04:17 PM, Karl Polifka wrote:
  	  | Quote: | 	 		   
  <jfowler120(at)verizon.net>
 
  Ron,
 
  I seem to be missing some posts.  What is this business about "fairing 
  struts"?
 
  Karl
 
  --------------------------------------------------
  From: "Ron Steele" <rsteele(at)rjsit.com>
  Sent: Friday, July 30, 2010 3:18 PM
  To: <zenith601-list(at)matronics.com>
  Subject: Re: Re: Report from OSH on 601xl update issues.
 
 > 
 >
 > There is a fix, whether needed or not.  It's not about saving lives, 
 > it's about satisfying your curiosity and ego.
 > As far as saving lives:  As an exercise, dress in some crappy cloths 
 > and try to get medical care with no money and no insurance.  Now 
 > pretend you are pregnant.  There are more ways to die than in plane 
 > crashes and poverty has killed untold numbers through history.  
 > Putting people out of work has real and deadly consequences.  And 
 > make no mistake.  If CH cried mea culpa there where be nothing left 
 > any of the Zenith companies long before the law suites ended.
 >
 > I'm not making excuses for anyone here.  If there is a safety problem 
 > with a plane it should be fixed.  But lawyers may well hinder the 
 > process more than help.  I'm also not knocking lawyers in general, 
 > but there are enough confluences of bad lawyers, but judges, bad 
 > juries and bad laws to do great damage.
 >
 > Grow up.  Get an education.  Do the great things of which you seem to 
 > be capable.  Lose the ego and since of entitlement.
 >
 > Ron
 >
 > On 07/30/2010 01:58 PM, Sabrina wrote:
 >> 
 >>
 >> to save even one life, yes....
 >>
 >> not fairing the struts was a mistake...
 >>
 >>
 >>
 >>
 >> Read this topic online here:
 >>
 >> http://forums.matronics.com/viewtopic.php?p=306829#306829
 >>
 >>
 >>
 >>
 >>
 >>
 >>
 >>
 >>
 >>
 >>
 >>
 >>
 >
 
 
 
 | 	 
 
 
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		sabrina
 
  
  Joined: 15 Jun 2009 Posts: 170
 
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				 Posted: Fri Jul 30, 2010 2:28 pm    Post subject: Re: Report from OSH on 601xl update issues. | 
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				Do Not Archive
 
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		psm(at)att.net Guest
 
 
 
 
 
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				 Posted: Fri Jul 30, 2010 4:54 pm    Post subject: Report from OSH on 601xl update issues. | 
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				Hi Ron,
 
 As a retired engineer I must side with Sabrina on this point.
 
 It really is true that even the best engineers make mistakes.  They are
 humans and that is the nature of being human.  The lawyers don't circle
 simply because a human is human.  They get active when they feel someone has
 taken the wrong path in this kind of situation like CH is alleged to have
 taken - try to talk your way out of the problem rather than acknowledging
 the facts and working to fix a known problem.  
 
 I don't think that is what Sabrina has actually said.  I got the message
 from her posts that she thinks he doesn't feel there was a mistake and
 honestly says that.  He is simply wrong about that according to the
 published FAA documents.  The only legitimate conclusion we can reach from
 all that is that CH and the FAA disagree.  
 
 None of these things would generate a successful lawsuit in my opinion.  The
 only real liability here would be the people who were actually injured could
 try to claim it was CH's negligence that caused their loss.   That would be
 difficult to collect on even if it was completely true.  We are talking
 about experimental airplanes here and we all signed waivers of liability in
 order to buy the plans.
 
 I think it would be better if CH and all his sons made it very clear that
 there really was a problem and the design change that they endorsed and
 released to all owners fixes the problem.  That would clear it all up for
 all the owners and they would understand that their best choice was to
 actually install the upgrade.
 
 Paul
 Currently installing the upgrade with the belief it will make my plane safe.
 
 --
 
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		jfowler120(at)verizon.net Guest
 
 
 
 
 
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				 Posted: Fri Jul 30, 2010 5:34 pm    Post subject: Report from OSH on 601xl update issues. | 
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				Paul,
 
 You live in some parallel universe.
 
 It is frequently not the expectation that a lawsuit be successful, it is 
 merely the intent to destroy the defendant in the process.  The plaintiff in 
 such a process cannot conceive of any responsibility on their part.  It is 
 always someone else's fault.  This has become a huge national problem, 
 merely manifested in this very small situation.
 
 Most of us think there is little if anything wrong with the 601 design. 
 Whatever (questionable) ills there were have certainly been fixed by this 
 modification .  Yet, somehow you and a few others  refuse pilot and 
 maintenance error causes and blame the designer for problems affecting 
 1/100% of the 601 population.   Cut the stats down to normal pilot error 
 ratios and you have a very tiny percentage that might, conceivably be a 
 design shortcoming -- which is very unlikely.  Of course, it is certainly 
 possible that CH never computed the idiot factor into his design process. 
 Yes, that may be a flaw.  The rest of us well understand the shortcomings of 
 engineers in facing the real world.  You would like to think that you do, 
 but you don't.
 
 It would appear that your aim is to destroy Zenith Aircraft.  Why not just 
 come out and say do.  The rest of us are tired of the pontificating -- from 
 retired engineers and teenagers. Let's move on to the process of building 
 and maintaining this airplane.  If you cannot do that, shut up.
 
 Karl
 
 
 --------------------------------------------------
 From: "Paul Mulwitz" <psm(at)att.net>
 Sent: Friday, July 30, 2010 8:53 PM
 To: <zenith601-list(at)matronics.com>
 Subject: RE: Re: Report from OSH on 601xl update issues.
 
 [quote] 
 
  Hi Ron,
 
  As a retired engineer I must side with Sabrina on this point.
 
  It really is true that even the best engineers make mistakes.  They are
  humans and that is the nature of being human.  The lawyers don't circle
  simply because a human is human.  They get active when they feel someone 
  has
  taken the wrong path in this kind of situation like CH is alleged to have
  taken - try to talk your way out of the problem rather than acknowledging
  the facts and working to fix a known problem.
 
  I don't think that is what Sabrina has actually said.  I got the message
  from her posts that she thinks he doesn't feel there was a mistake and
  honestly says that.  He is simply wrong about that according to the
  published FAA documents.  The only legitimate conclusion we can reach from
  all that is that CH and the FAA disagree.
 
  None of these things would generate a successful lawsuit in my opinion. 
  The
  only real liability here would be the people who were actually injured 
  could
  try to claim it was CH's negligence that caused their loss.   That would 
  be
  difficult to collect on even if it was completely true.  We are talking
  about experimental airplanes here and we all signed waivers of liability 
  in
  order to buy the plans.
 
  I think it would be better if CH and all his sons made it very clear that
  there really was a problem and the design change that they endorsed and
  released to all owners fixes the problem.  That would clear it all up for
  all the owners and they would understand that their best choice was to
  actually install the upgrade.
 
  Paul
  Currently installing the upgrade with the belief it will make my plane 
  safe.
 
  --
 
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		jfowler120(at)verizon.net Guest
 
 
 
 
 
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				 Posted: Fri Jul 30, 2010 5:52 pm    Post subject: Report from OSH on 601xl update issues. | 
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				oops,  make that 1%.
 
 Karl
 
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		psm(at)att.net Guest
 
 
 
 
 
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				 Posted: Fri Jul 30, 2010 6:47 pm    Post subject: Report from OSH on 601xl update issues. | 
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				Hi Karl,
 
 I agree with much of what you wrote, but a couple of your clearly stupid and
 unjustified statements force me to respond.
 
 Indeed I don't care one hoot about the future of Zenith.  It's fine with me
 if they continue to do business.  I just don't think we are ever going to
 get anything useful on the XL question from them in the future.  
 
 I find your personal criticism offensive.  You pretend to read my mind and
 then complain about the thoughts you had rather than ones I actually had and
 expressed.  That is just plain childish bullshit on your part.
 
 For me it important to clear up the distinction between a fix that might or
 might not address the actual problem that clearly existed, in my opinion,
 that led to the accidents.  Your notion that it was all pilot error and
 loose cables is clearly not true.  If it were you must account for the
 reality that only Zodiac XLs had structure failures in a field where there
 are many similar planes with similar pilots and cables that didn't have any
 similar accidents.
 
 Before I correctly understood the FAA ruling I didn't believe there was a
 smoking gun to explain the accidents.  After my recent conversations and
 rereading the FAA publication I believe there was indeed a real problem that
 was identified by engineering review at the FAA.  That allows me to believe
 the actual problem was fixed rather than the design was beefed up in the
 hope the unknown problem would go away.
 
 I know we all had to place a great deal of faith in CH and Zenith/Zenair
 when we decided to build our planes.  I think the vicious namecalling that
 is taking place on this list is really a measure of how each of us reacts
 when faced with the idea our faith was wrongly placed.  Some of us change
 our opinions faced with new facts.  Others just attack the messenger so they
 can continue to believe their previous ideas.  Once again this is all normal
 human nature.
 
 I hope we all install the upgrade and enjoy our wonderful planes.  If we
 have different reasons for doing that it is not a problem.  If some refuse
 to believe the update is necessary in the face of overwhelming proof and
 then kill themselves in unmodified planes that will cause a measure of
 damage to us all.
 
 Respectfully,
 
 Paul
 
 --
 
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		bryanmmartin
 
 
  Joined: 10 Jan 2006 Posts: 1018
 
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				 Posted: Sat Jul 31, 2010 7:59 am    Post subject: Report from OSH on 601xl update issues. | 
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				I know mine can, I have personally flown it at full a gross weight of 1320 lbs to a four G flight loading. The VNE I was given during my construction was 180 mph. I have flown it to 110% of that in phase 1 testing to verify that VNE. After my phase 1 testing was complete and flying it a total of 325 hours, I am confident that my airplane is safe to fly as designed. And don't forget, the factory demonstrator probably went through more testing than mine and it flew for 1300 hours before the upgrade was done on it with no signs of failure.
 
 On Jul 29, 2010, at 4:37 PM, Sabrina wrote:
 
  	  | Quote: | 	 		   
  
  
  Steve, do you believe the kit, factory XL or plans without the modification can support more than 1200 pounds? Faster than 138?  Utility category?
  
 
 | 	  
 -- 
 Bryan Martin
 N61BM, CH 601 XL,
 RAM Subaru, Stratus redrive.
 do not archive.
 
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  _________________ -- 
 
Bryan Martin
 
N61BM, CH 601 XL, Stratus Subaru.
 
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		sabrina
 
  
  Joined: 15 Jun 2009 Posts: 170
 
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				 Posted: Sat Jul 31, 2010 8:30 am    Post subject: Re: Report from OSH on 601xl update issues. | 
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				Do Not Archive
 
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		Tim Juhl
 
  
  Joined: 21 Mar 2006 Posts: 488 Location: "Thumb" of Michigan
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				 Posted: Sat Jul 31, 2010 4:17 pm    Post subject: Re: Report from OSH on 601xl update issues. | 
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				I too attended the Oshkosh Zenith Forum - I didn't expect a "mea culpa" from the Heintz clan inasmuch as their legal troubles are far from over.  Personally, I appreciate the fact that they just didn't walk away from the whole mess and leave us holding the bag.  This whole saga with the XL has been a nightmare for them, both personally and professionally.  At this point little can be gained by pointing fingers... CH obviously did not set out to design an airplane with a flaw that would kill people, but not being an engineer, I cannot challenge him on his design.  I also don't have faith in our FAA to always find the correct answer. I have dealt with some FAA engineers that didn't seem to have a clue. In the case of the Zodiac, I suspect the truth lies somewhere in between the Zenith and FAA positions.
 
  I am not convinced that the crashes were due to a single factor and nothing I've read or heard says otherwise.  I think the modifications will produce an airplane that we can be confident in. I appreciate Paul sharing with us what he heard from the FAA guy... the more good news the better.
 
 A few more things that came out of that forum that may be of interest.
 
 1.) Zenith believes a lot of builders are not properly calibrating their airspeed indicators with the result that when they slow to maneuvering speed in turbulence they may actually be flying at a speed significantly greater.  I don't have to explain to anyone what this means.
 2.) They gave their justification for the internal aileron stop - explaining there were suspected instances where passengers had pushed against the stick when getting out of the airplane and stretched the whole control system.  They also reported a case where failure to secure the stick in windy conditions had resulted in damage that reduced the cable tension and actually damaged the rear spar.
 3.) Matieu mentioned that Zenith hired an experienced test pilot to take the modified Zodiac up and "take it to the edge."  Apparently there were no problems and the pilot reported favorably on the flying characteristics of the airplane.
 4.) Zodiac intends to have a modified Zodiac put through the same series of flutter tests by the german engineers that did the original tests last year.  
 5.) Some pilots who have modified and are now flying their aircraft were asked to comment on any differences they noted.  Their only comment is that the airplane seemed more stable and seemed to handle turbulence better.
 6.) Matieu commented that the reason there has been no new information coming out from Zenith on the XL is that there is nothing new to report.  He seemed to think this was a good thing - "no news is good news."  I think the next chapter is going to be written by those flying modified aircraft, not the Zenith company.
 
 As for me, I had a great time at Sploshkosh and especially enjoyed the chance to meet other builders face to face.  Paul, I wish I had known you were at the forum.  It would have been nice to meet you finally.
 
 Tim Juhl
 
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		Ron Lendon
 
  
  Joined: 10 Jan 2006 Posts: 685 Location: Clinton Twp., MI
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				 Posted: Sat Jul 31, 2010 9:03 pm    Post subject: Re: Report from OSH on 601xl update issues. | 
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 Sabrina,
 
 I have had the experience of upgrading a Czech XL and must report it's not using the thicker materials that my plans (dated August, 8, 2005) indicate.  The page you cite has the Czech Republic airplane as support for the FAA's conclusion. The problem there is Apples and Oranges are being used to present conclusions representative of the other product.
 
 The European airplanes are using lighter thickness materials and are designed to a different standard GW.
 
 The upgrade of the Czech airplane discovered .040" was used for the 6-B-13-1 Wing Attachment Uprights.  My plans require .063 for the same part and the upgrade makes the forward parts .125" now.  I replace the .040" in the Czech airplane with .063" for the rear parts.
 
 That is just one area, there are more, that this Czech airplane varies from the plans I have.
 
 Just thought you would want to know this.
 
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  _________________ Ron Lendon
 
WW Corvair with Roy's Garage 5th bearing
 
CH 601 XLB
 
N601LT  - Flying
 
http://www.mykitlog.com/rlendon
 
Corvair Engine Prints: 
 
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		sabrina
 
  
  Joined: 15 Jun 2009 Posts: 170
 
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				 Posted: Sat Jul 31, 2010 9:38 pm    Post subject: Re: Report from OSH on 601xl update issues. | 
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				Do Not Archive
 
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		Afterfxllc(at)aol.com Guest
 
 
 
 
 
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				 Posted: Sat Jul 31, 2010 10:37 pm    Post subject: Report from OSH on 601xl update issues. | 
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				The wing attach uprights in the US 601xl's also used .040 for the uprights  in the early versions. I have come across 2 so far and Zenith has supplied me  with the .063 uprights to replace them.
   
  Another Czech 601 that I am doing now in my opinion is better built than  the US 601's. It has most of the upgrades in it already and a few more. The one  I am doing already has the aileron stop installed but is much better that the  light weight one zenith supplied and the floor/seat stiffeners were  installed.
   
  Jeff
   
   In a message dated 8/1/2010 1:04:28 A.M. Eastern Daylight Time,  ron.lendon(at)gmail.com writes:
   	  | Quote: | 	 		  -->    Zenith601-List message posted by: "Ron Lendon"    <ron.lendon(at)gmail.com>
 Sabrina wrote:
 
 
 Sabrina,
 
 I    have had the experience of upgrading a Czech XL and must report it's not using    the thicker materials that my plans (dated August, 8, 2005) indicate.     The page you cite has the Czech Republic airplane as support for the FAA's    conclusion. The problem there is Apples and Oranges are being used to present    conclusions representative of the other product.
 
 The European airplanes    are using lighter thickness materials and are designed to a different standard    GW.
 
 The upgrade of the Czech airplane discovered .040" was used for the    6-B-13-1 Wing Attachment Uprights.  My plans require .063 for the same    part and the upgrade makes the forward parts .125" now.  I replace the    .040" in the Czech airplane with .063" for the rear parts.
 
 That is just    one area, there are more, that this Czech airplane varies from the plans I    have.
 
 Just thought you would want to know this.
 
 --------
 Ron    Lendon, Clinton Township, MI
 WW Corvair with Roy's Garage 5th    bearing
 Zodiac XL, ScrapBuilder     
 http://www.mykitlog.com/rlendon
 
 
 Read this topic    online    here:
 
 http://forums.matronics.com/viewtopic.php?p=307017#307017===============================================
 _-=    Use the  ties  Day  ================================================                - MATRONICS WEB FORUMS  ================================================             - List Contribution Web Site  sp;                             ===================================================
 
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		alsmith
 
 
  Joined: 04 Oct 2009 Posts: 12
 
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				 Posted: Sun Aug 01, 2010 5:46 am    Post subject: Re: Report from OSH on 601xl update issues. | 
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				I found it interesting that Zenith did not bring a 601 or 650 to Air Venture.
 
 Additionaly AMD did not display any factory built 650's. 
 
 No updates in the assenmbly manuals for the 650 have been published.
 
 It is my belief that the low wing series will soon be dropped as an offering
 
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		psm(at)att.net Guest
 
 
 
 
 
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				 Posted: Sun Aug 01, 2010 7:54 am    Post subject: Report from OSH on 601xl update issues. | 
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				On the other hand, the Piper Sport seems to be going great guns.  This is
 obviously a close copy of the XL.  I looked at one at OSH and saw that the
 center console is an exact copy.  There are a few notable differences like
 the wing tips, but this is a very close cousin to the XL designed and built
 by a company that, until recently, manufactured and sold XLs to the European
 market.
 
 I believe Piper has already shipped more of these planes than the Cessna
 S-LSA (C-162?).  I don't know of any problems with the Sport Cruiser from
 CZAW which is (I believe) the same plane as the Piper Sport.  My wild guess
 is that the C-162 will fade away (they only have shipped about 6 of these
 planes even though there are many hundreds of deposits) and the Piper Sport
 will be wildly successful.  The big attraction of the Cessna was the
 Continental engine that the FBOs are already comfortable with and the Piper
 uses the Rotax that is so popular with the remaining LSA fleet.  That same
 engine choice means approximately 100 pounds of extra empty weight in the
 Cessna which is a whole lot for an LSA.
 
 So, the general XL design lives on even though it may not have much future
 at AMD or Zenith.
 
 Paul
 
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