types of oars
Oar: instrument that is made up of a slightly curved blade, which is connected to a long shaft; it propels the boat.
sculling oar
Short oar that is manipulated with one arm; it is used in tandem with a second oar to propel a sculling boat.
rubber sheath
Plastic or rubber casing that covers and protects the shaft; the collar is mounted on it.
grip
End of the oar that is gripped by the rower.
blade
Larger end of the oar that is thrust into the water to propel the boat; it is often asymmetrical in order to maximize its hold in the water.
sweep oar
Oar that is manipulated with both arms and is used to propel a sweep boat; it is longer than a sculling oar and has a larger blade.
collar
Ring that is mounted on the rubber sheath and rests on the oarlock to prevent the oar from slipping; it can be moved to change its leverage effect.
shaft
Elongated part that is usually made of wood or carbon; the blade is attached to it.
blade
Larger end of the oar that is thrust into the water to propel the boat; it is often asymmetrical in order to maximize its hold in the water.