Bicycles haven't got rudders. They steer by changing the direction of the front
wheel when the rider turns the handlebar.
Dense hardwoods are used mostly.
The rudder was used to steer left or right, along with the sails.
Two basic type of rudder r balanced n non balanced rudder
To guide the course of (something in motion) by a rudder, helm, wheel, etc.: to steer a bicycle. Source: Dictionary.com
The rudder is used to counteract the yaw forces cause by the ailerons.
magnetic compass
If it's used to steer, it's a rudder. Someone who is nastier is ruder.
A dynamo is a type of electrical generator. On a bicycle it is in contact with the wheels, so that it spins when the bike is moving. That spinning is turned into electricity, which can be used to power bicycle lights.
rudder.
A rudder is mounted on the stern of a boat and is used to steer. It can also be found on ships, planes, aircraft, and submarines.
A rudder is a blade at the back of a boat or ship that is used to change directions. In other words, it's used to steer!
They built caravels, made better maps, used the rudder, used the lateen (a triangular sail), used an astrolabe, also used a compass.