There is a 400 sq. in. version of the Fierce Arrow that I plan to build that doesn'ttake up as much room and the larger one. Todd Lee had one for a while when he was in college and use it to some success down south. The original M.A.N. plans are out there, and John Miller did a CAD version of the plans that he consulted with Wild Bill on while he was still with us, and both John and Bill though one of todays .15 would be plenty of power for it. Like the great Walt Mooney once said, so many airplanes and so little time!
Type at you later,
Dan McEntee