<Table> <Tr> <Th_colspan="3"> Dynamic ropes </Th> </Tr> <Tr> <Th> Diameter </Th> <Th> Typical impact force </Th> <Th> Typical weight </Th> </Tr> <Tr> <Td> 8.1 mm (~ 5 / 16 ") </Td> <Td> 6 kN (1350 lb) </Td> <Td> 42 g / m (0.45 oz / ft) </Td> </Tr> <Tr> <Td> 9.8 mm (~ 3 / 8 ") </Td> <Td> 8 kN (1800 lb) </Td> <Td> 63 g / m (0.67 oz / ft) </Td> </Tr> <Tr> <Td> 11 mm (~ 7 / 16 ") </Td> <Td> 9 kN (2000 lb) </Td> <Td> 78 g / m (0.84 oz / ft) </Td> </Tr> </Table> <Tr> <Th_colspan="3"> Dynamic ropes </Th> </Tr> <Tr> <Th> Diameter </Th> <Th> Typical impact force </Th> <Th> Typical weight </Th> </Tr> <Tr> <Td> 8.1 mm (~ 5 / 16 ") </Td> <Td> 6 kN (1350 lb) </Td> <Td> 42 g / m (0.45 oz / ft) </Td> </Tr>

What percentage of a kernmantle rope's strength is provided by the mantle