| Year | Power | Area | Maximum weight | Minimum cross-section | Time | Launch | Other | Era | Motif |
| 1928 | any | unlimited | 11 lb | L2/100 | best of 3 | ROG | Antique | 1930 Ehrhardt | |
| 1934 | rubber unlimited | wing area 190-200 sq ins | 4 oz | L2/100 | average of 3 | ROG | Vintage | 1939 Korda | |
| 1937 | rubber unlimited | wing area 190-200 sq ins | 8 oz | L2/100 | average of 3 | ROG | |||
| 1938 | rubber unlimited | +stabilizer 33% | 8 oz | L2/100 | average of 3 | ROG | |||
| 1951 | rubber unlimited | 294 sq ins total (19 dm2) | 8 oz | 10 sq in | 3x5 min | ROG | 1954 King | ||
| 1954 | rubber 80g | 19 dm2 | 8 oz | 10 sq in | 3x5 min | ROG | |||
| 1957 | rubber 50g | 19 dm2 | 8 oz | unlimited | 5x180 sec | delete ROG | Modern | 1958 Benedek | |
| 1965 | rubber 40g | 19 dm2 | 190g | unlimited | 5x180 sec | ||||
| 1969 | rubber 40g | 19 dm2 | 190g | unlimited | 7x180 sec | ||||
| 1988 | rubber 40g | 19 dm2 | 190g | unlimited | 7x180 sec | Rescind B.O.M. | 1993 Andrjukov | ||
| 1996 | rubber 35g | 19 dm2 | 195g | unlimited | 7x180 sec | Ban rubber heating | |||
| 2002 | rubber 30g | 19 dm2 | 200g | unlimited | 7x180 sec |
[Conditions] - [FAI Home Page] - [Aeromodelling Commission] - [FF Championships results]