James Roderick Macalpine-Downie (9. toukokuuta 1934 - 9. tammikuuta 1986) also known as Rod Macalpine-Downie was a naval architect residing in United Kingdom of Great Britain and Northern Ireland.
| Veneen malli | Suunnitteluvuosi | Tyyppi |
|---|---|---|
| Apache 40/45 Mk III | ? | Katamaraani |
| Apache 41 | 1970 | Katamaraani |
| Apache 45 | 1970 | Katamaraani |
| Aztec 23 | 1977 | Katamaraani |
| Bandit 15 | 1972 | Jolla |
| Bandit 17 | 1972 | Jolla |
| Buccaneer 18 | 1968 | Jolla |
| Cherokee 35 | 1973 | Katamaraani |
| Comanche 32 | 1978 | Katamaraani |
| Copperhead 14 | 1970 | Jolla |
| Dagger 14 | 1976 | Jolla |
| Dingo 15 | 1963 | Katamaraani |
| Gloucester 15 | 1973 | Jolla |
| Gloucester 18 | 1968 | Jolla |
| Iroquois 30 Mk II | 1968 | Katamaraani |
| Man-O-War 15 | 1964 | Jolla |
| Musketeer 17 | 1973 | Katamaraani |
| Mutineer 15 | 1972 | Jolla |
| Navaho 46 | 1972 | Katamaraani |
| Phoenix 18 | 1965 | Katamaraani |
| Pirateer 13 | 1974 | Purjevene |
| Shark Catamaran | 1963 | Katamaraani |
| Sidewinder 16 | 1968 | Jolla |
| Starwind 15 | 1984 | Jolla |
| Starwind 18 | 1982 | Jolla |
| Thai Mk IV | 1958 | Katamaraani |
| Ultimate Concepts 32 | 1989 | Katamaraani |
| Upstart 16 | 1967 | Jolla |
| Yachting World Catamaran | 1964 | Katamaraani |
| YW | 1960 | Katamaraani |