Is it my imagination, or do I detect some creases on the top surface of both wings in the latest 750 factory video. Look to the left side of the main screen, and you will see a video " Flying the STOL CH 750 ".

Click on the video and no sooner then it's airborn, they show a 3/4 rear view from above the aircraft, and it look's to me as if there are creases in the aluminum half way along each wing surface. Originally I though it might be my imagination, but I was able to freeze the screen, and they become quite visable

I'm not looking for a lengthly discussion, or to be flamed, but this is how it look's to me, so I was wondering if this was always the the case

Robert Pelland
701 & 750 Scratch

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I noticed this also, I was concerned and would like to hear more on these wrinkles before I order a CH750 kit.
I don't think it's your imagination. I noticed it as well. It's in some still pics too, I believe.

To me it appears that the creases are more or less above the strut attachment points on both wings. This leads me to believe that the outboard sections of the wings are flexing upwards just a bit under the flight load. At the strut attachment point the wings would tend to be more rigid than outboard of that location.

Of course it may be like that on the ground too. It's obviously hard to tell from just looking at a video or pictures. I did notice it some time ago, however, so it's interesting that you did as well.

Burke Johnson
CH701 to 750

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