| Farrier Trailertri 18 | |
| Class Imagesize: | 120 |
| Type: | trimaran[1] [2] |
| Construction: | marine plywood |
| Rig: | masthead Bermuda or Marconi rig |
| Keel: | centreboard |
| Loa: | 7.2m (23.6feet) |
| Lwl: | 6.6m (21.7feet) |
| Beam: | 4.98m (16.34feet) 2.44m (08.01feet) (folded) |
| Draft: | 1.3m (04.3feet) (board down) 0.43m (01.41feet) (board up) |
| Hull: | 750kg (1,650lb) |
| Mastheight: | 9.32m (30.58feet) |
| Mainsail: | 14.4sqm |
| Jib: | 11.3sqm |
| Spinnaker: | 54m2 |
| Sailarea: | 25.7m2 |
| Year: | 1976 |
| Designer: | Ian Farrier |
| Location: | Australia |
| Role: | day sailer for 2-4 adults |
The Farrier Trailertri 720 (also known as Farrier TT720) is a trailerable 1976 trimaran sailboat designed by Ian Farrier that was sold in plan form, targeted at owner builders assembling from marine plywood, and marketed as a day sailer.[3]