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European ULM ( Ulralight ) 601xl

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bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Wed Oct 29, 2008 6:33 am Post subject: European ULM ( Ulralight ) 601xl

The Euro planes have a 125 KG lower gross weight than the US planes,  

so the same 4 G loading will result in a 500 KG less load being  

carried by the wings for the Euro plane.



On Oct 29, 2008, at 2:36 AM, K Dilks wrote:



 	  Quote: 	
		  

 So to summerise I think maybe there are two planes here and two  

 differing potential aeres of concern.

  If the Euro plane has such thin skins to get the empty weight down  

 I cant see why they say it can be +4 -2 g limit, the same as the  

 more beefy US planes.  This area has to be explain by Zenair.


	




-- 

Bryan Martin

N61BM, CH 601 XL,

RAM Subaru, Stratus redrive.

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_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

LHusky

Joined: 19 Jun 2008
Posts: 86
Location: Madras, Oregon

Posted: Wed Oct 29, 2008 8:26 am Post subject: European ULM ( Ulralight ) 601xl

I went out to my parts pile and remembered I had cut out some of the skin  on the wing and the forward fuselage from the CZAW plane I parted out.  It  all measures .025.  The front fuse is the air duct that I cut out for a  pattern and the wing skin is from the hole where the fuel filler is.  So, I  can confirm that the CZAW plane that I had my hands on, had thicker skin than  .016. 

  

 Larry Husky 

 Madras, Oregon

  

  

  In a message dated 10/28/2008 11:37:26 P.M. Pacific Daylight Time,  kevin.dilks(at)liwest.at writes:

  	  Quote: 	
		  -->    Zenith601-List message posted by: "K Dilks"    <kevin.dilks(at)liwest.at>



Until earlier this year  worked in    France. At that time I did not know I was going to build a 601.

A few    things to point out.



1. ULM planes in Europe have a max EMPTY weight of    275KG and max TO of 475kg. The licence to fly these is less demanding .

2.    What I have learnt before buying my kit ...arrives soon I hope  is that    the Euro plane has .16" wing skins not .25" like the US planes, lighter    landing gear, the CH650 wing incedence, no anti oil canning stuff in the fuzz    or wings.

Now it would be nice for Nic Heniz to tell everyone about this    and to confirm the CZAW planes were built this way as I have no concrete    evidence..

3. While in France I notice the zodiac skins to be very loose    and suffering badly from oil canning, I also remember the  rivet spacing    on those thin skins was very wide , it just did not look right.



So to    summerise I think maybe there are two planes here and two differing potential    aeres of concern.

  If the Euro plane has such thin skins to get the    empty weight down I cant see why they say it can be +4 -2 g limit, the same as    the more beefy US planes.  This area has to be explain by    Zenair.

Second is that of flying aerobatics and flying well over gross in    the US spec planes planes is a major cause for over stressing that    design.

  I think that the Euro planes should be called different to    distance that plane from the US version as suggest elswere on this    list.



I ordered the US kit because of these factors.



Kit in Mid    Atlantic.........

Regards

Kevin



--------

Austria ...guess    where I work!





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