I thought the videos were from Wright-Patterson in Dayton, but my friend says his dad was there and it was in California. He remembered about the hole in the Ercoupe belly, about a 1 x 2 foot hole that they patched with a sheet of aluminum. He said it was flanked by a Culver Cadet to compare regular prop thrust with the JADO-assisted Ercoupe (no contest, of course). He will review the videos to see if his dad is in them at all. Tom H.
