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F1 - Free Flight
Rules summary
| Year | Power | Area | Maximum weight | Minimum cross-section | Time | Launch | Other |
| 1928 | any | unlimited | 11 lb | L2/100 | best of 3 | ROG | |
| 1934 | rubber unlimited | wing area 190-200 ins2 | 4 oz | L2/100 | average of 3 | ROG | |
| 1937 | rubber unlimited | wing area 190-200 ins2 | 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 ins2 total (19 dm2) | 8 oz | 10 sq in | 3x5 min | ROG | |
| 1954 | rubber 80g | 19 dm2 | 8 oz | 10 sq in | 3x5 min | ROG | |
| 1957 | rubber 50g | 19 dm2 | 8 oz | unlimited | 5x180 sec | Hand Launch | |
| 1965 | rubber 40g | 19 dm2 | 190g | unlimited | 5x180 sec | HL | |
| 1969 | rubber 40g | 19 dm2 | 190g | unlimited | 7x180 sec | HL | |
| 1988 | rubber 40g | 19 dm2 | 190g | unlimited | 7x180 sec | HL | Rescind B.O.M. |
| 1996 | rubber 35g | 19 dm2 | 195g | unlimited | 7x180 sec | HL | Ban rubber heating |
| 2002 | rubber 30g | 19 dm2 | 200g | unlimited | 7x180 sec | HL |
| AEROMODELLING DISCIPLINES: |
| F1 - Free Flight |
| F2 - Control Line |
| F3A - Radio Control Aerobatics |
| F3B/F3J - Radio Control Soaring |
| F3C - Radio Control Helicopters |
| F3D - RC Pylon Racing |
| F4 - Scale Models |
| F5 - Electric Flight |
| F6 - Airsports Promotion |
| F7 - Lighter Than Air |
| S - Space Models |
CIAM Flyer
CIAM HistoryThe CIAM History began 1936 when the FAI established Rules for Model Aircraft. » read more |
