A helmsman used a rudder to steer the ship
to propel the ship, a sail was used. In some cases oars could also be used to manually propel the ship.
The vikings used the stars to navigate, eg: the north star showed whch way is north, etc
I do not know what ship Leif Erikson sailed on but I can tell you it was not the Santa Maria
His ship was called Centre Thorvald Viking Ship.
Jahre Viking, crude oil tanker
The Baie-Commeau Drakkar use a a Viking Longship on their logo.
woven
in the viking times ...
I do not know what ship Leif Erikson sailed on but I can tell you it was not the Santa Maria
Knörr
it was it was
Longboat
His ship was called Centre Thorvald Viking Ship.
Jahre Viking, crude oil tanker
The Baie-Commeau Drakkar use a a Viking Longship on their logo.
By Viking ship.
Jahre Viking
Noah's Ark.
a banana