| 摘要 |
The present invention relates to a Kort nozzle propeller having a guard net, comprising: a water plant wound toward the inside of a Kort nozzle; and a detachable guard net preventing foreign substances. The present invention is manufactured to form the guard net having a predetermined pattern on the streamlined guard net attached to and detached from the Kort nozzle to improve the propulsion speed or improve steering capability without affecting operation of the propeller. |
