K Dilks
Joined: 22 Sep 2008
Posts: 108
Location: UK
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 Posted: Tue Oct 28, 2008 10:36 pm Post subject: European ULM ( Ultralight ) 601xl |
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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..
Another factor is how the planes are now built on Portugal for zenair Europe, I cant find anything out about them and there materials.
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.
My last note is what is the VNE? Zenair site in Us and Europe says 290kmh / 180 MPH but on the plans I have its 155mph /248KMH!!
Big difference regarding strength.
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
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