Originally Posted by
John Whitish
By the numbers, comparing a "typically equipped" FX-3 and XCub, the XCub will allow about 100 lb. more useful load. With the same tires, the XCub will cruise 10 MPH faster and carry you 100 miles further. I find the XCub more comfortable, front and rear, and the cabin is better appointed. However, with Oregon Aero seats in the FX-3, that benefit is likely moderated.
For many, the meaningful difference in the XCub is FAA Part 23 certification.