| Delta | |
|---|---|
| |
| Preserved Delta RC131 | |
| Type | V-12 piston engine |
| Manufacturer | Isotta Fraschini |
| First run | 1927 |
| Number built | c.3,300 |
The Delta was a 12-cylinder inverted-V aircraft engine built by Isotta Fraschini prior to and during World War II.[1]
- ^ Gunston 1989, p.82.