Bellasi

Career timeline
Signature numbers
- Race starts
- 2
About Bellasi
Origins
Bellasi was a one-man Swiss F1 project of the early 1970s, conceived by engineer Vittorio Bellasi as a route into Grand Prix racing for Swiss-Italian driver Silvio Moser. Bellasi had previously designed sports racing cars and had ambitions to build a Formula 1 chassis for the new 3.0-litre formula. The team operated on near-zero budget out of small premises in Switzerland and Italy, and represents one of the most marginal entries in 1970-1971 World Championship history — a chassis built more from determination than from resources.
Golden Era
Bellasi has no golden era — the team never scored a championship point. The closest competitive moment was Silvio Moser's qualification at the 1970 Italian Grand Prix at Monza, where he started in the Bellasi F170 but retired with mechanical failure. The team made qualification attempts at four 1970 Grands Prix and one 1971 Grand Prix but the chassis was simply not fast enough — a 3.0-litre formula entry built for a fraction of what the works teams spent on testing alone could not credibly contend.
Legendary Cars
The Bellasi F170 was a Cosworth DFV-powered space-frame design — already obsolete by 1970, when monocoque construction had become standard. Moser's car suffered from the chronic flexibility and weight issues typical of late-spaceframe F1 designs, compounded by minimal development testing. The chassis is mainly remembered as a cautionary tale: by 1970 the technical bar had risen so far that hand-built privateer chassis without proper engineering resources could not be competitive even at the back of the grid.
Lows and Reinventions
Bellasi folded after the 1971 season — Silvio Moser took the Bellasi to a final qualification attempt and then moved on to other privateer arrangements, eventually losing his life in a crash at the 1974 Monza 1000km sports car race. There was no Bellasi reinvention; the project simply stopped. Vittorio Bellasi continued in lower-tier engineering work and the marque disappeared from international racing.
Modern Era
Bellasi exists as a deep specialist entry in F1 history — a Swiss constructor name with one or two championship starts, almost no results, and a story that is part of the broader 1970-1972 transition when the small privateer route into F1 closed permanently. The F170 chassis survives in private collection. Its significance, modest as it is, lies in showing how the post-1968 Cosworth DFV revolution opened a window for small teams to enter — but the same revolution required them to engineer chassis to a standard that hand-built shoestring projects could not match. The window closed almost as quickly as it opened.

