Model engine classes
Encyclopedia
In the world of model aircraft
there are several competition classes to signify engine displacement
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Model aircraft
Model aircraft are flying or non-flying models of existing or imaginary aircraft using a variety of materials including plastic, diecast metal, polystyrene, balsa wood, foam and fibreglass...
there are several competition classes to signify engine displacement
Engine displacement
Engine displacement is the volume swept by all the pistons inside the cylinders of an internal combustion engine in a single movement from top dead centre to bottom dead centre . It is commonly specified in cubic centimeters , litres , or cubic inches...
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| Class | Cubic Inches | Cubic Centimeters |
|---|---|---|
| 1/2A | 0.000 - 0.050 | 0.000 - 0.819 |
| A | 0.051 - 0.1525 | 0.835 - 2.499 |
| B | 0.1526 - 0.300 | 2.500 - 4.916 |
| C | 0.301 - 0.650 | 4.932 - 10.65 |
| FAI | max 0.1526 | max 2.5 |
| Jet |