I concur with Mark Navarre. It happens all the time.
You can have a really good day of lift and fun. Yet, with 5MPH *more* wind, the lift will go away.
FYI, I'd expect your slope to be quite prone to this because of the modest 30 deg. incline. I suspect (unverified at this time) that the more modest the incline the easier it is for the lift to be "blown" away.
Bill Swingle Janesville, CA [EMAIL PROTECTED]
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