X-Air Ultralight Aircraft Please heed the advice

Sabrina Hill All Messages By This Member #11875 Are you familiar with the Mach .07 design? It is similar as far as the flexing of the airframe. EVERY single one that I have ever seen or flown, has the SAME type of pin type assembly, the bolts that fasten the wings to the main fuselage tube, and both ends of the struts to the airframe act as single pins. The failure of any one of them would cause the structure that they fasten to simply rotate about the remaining pin points. I had a Spitfire, (think a Phantom with struts), the the fabric failed strength test on. Did I spend several grand on more fabric that was far too UV sensitive? NO, I covered the wings in regular aircraft fabric. It held together just fine for years. I don't have the bucks to stick several grand on fabric that is not all that strong when it comes to U.V. to begin with. I will stiffen the frame up, and it will be fine.? On Sunday, May 29, 2016 7:18 AM, "Huw lloyd-hughes huwlh999@... [X-Air_Ultralight_Aircraft]" wrote: ? ?Please please recognise that if Michael Coates or Seamus O'Donnel say dont do it, then don't do it. They are aviation experts . The Xair series aircraft may look simple but the design is based on a pin-frame assembly, loads of movement it it . Do not under any circumstances use an alternative covering method for the flying surfaces . If you do, it will fail and your aircraft will crash . Huw

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