During Oshkosh 2000, I finally got "Van" himself to take a peek at my canopy
modification. It was tough getting him to slot a time to walk over.
He was very tired from traveling and setting up the Van's Aircraft booth that year.
Once he arrived, he looked at the modification for a moment or two. He
then asked me to tip it up and down several times. After several more
moments, he said; "Well, I can't really find anything wrong with it".
That's all I needed. Great! I took this as his OK on my design.
Other RVers that year really seemed to like the mod after they figured out why I did