MGLs maxi singles are designed to drop into a standard 3.125-inch hole, while the Smart Singles fit into a 2.25-inch hole. Author Rick Lindstrom found that the Maxi Single E1 engine monitor was just the ticket to get him flying while his other unit was in the shop for repairs.
Jeff Van West flight-tests two popular EFISes in a Remos GX LSA, and examines their accuracy, user interface and reliability. After all the stones have been unturned, your choice can be simplified: Are you a Mac or a PC?