Lars Josefsson. Steamesteem

Steamship Polstjärnan from Karlstad
Steamship Polstjärnan
Built in 1929 at Lindholmens varv, Gothenburg Sweden
Call sign Measures in meter Tonnage Engine
kW 		Speed
Knots
Length Beam Draught Gross Net
SMVR 30.15 5.88 3,0 110 40 125 9
Scotch fire tube boiler with two furnaces.
Compound steam engine with Stephenson's link-motion.

Steamship Polstjärnan moored in Karlstad
Steamship Polstjärnan at quay in Karlstad

Windlass
The Steamship Polstjärnan steam driven combined windlass and winch.

 

The engine room onboard Steamship Polstjärnan

Scotch marine steam boiler with two furnaces
The Steamship Polstjärnan Scotch fire tube boiler with two furnaces.

 

Stephenson's link-motion

The picture to the left shows the eccentrics and their eccentric-rods for the Stephenson's link-motion.

 

The Steamship Polstjärnan is built to sail in a lake and the feed water to the boiler is pumped from the lake and preheated before it enters the boiler.

Steamship Polstjärnan from Karlstad

© 2007 Lars Josefsson  Steamesteem in a computerized world Still sailing steamships with steam engines and steam boilers