| Sportster | |
| Type: | Autogyro |
| Manufacturer: | Aircraft Designs |
| Designer: | Martin Hollmann |
| First Flight: | 1974 |
| Number Built: | 65 (2005) |
The ADI Sportster is a two-seat gyroplane that has been marketed in plans form for homebuilding since 1974 by Aircraft Designs Inc.[1] [2] It was the first homebuilt gyrocopter design to be able to carry a passenger.
The design first flew in 1974 and is built from bolted and riveted dural aluminium sheet. The rotor blades use an NACA 8H12 airfoil[2]