Technical data for steamship S/S Robert

Here you can find technical data for the steamship S/S Robert. Just click at the pictures to get bigger (and better?) images.

Hull:

Length	Width	Hight	Depth ahead	Depth astern	Deplacement
13,92 m	3,02 m	6 m	1,6 m	1,8 m	20 tons

Engine:

Manufacturer	Effect	Construction year	Type
Bergsund MV	30 ihk	1866	1-cyl.
Härnösand MV	50 ihk	1907	compound without condensor
Härnösand MV	50 ihk	1907	compound

Data for the present engine (row three in the table above):

Area high pressure cyl.	162 cm2
Area low pressure cyl.	606 cm2
Stroke	245 mm
Calculated rpm	ca 250 rpm, the propeller has been modified in order to reduce the rpm.
Condensor	jetcondensor

The steamengine.

Boiler:

Manufacturer	Bergsund MV
Construction year	1919
Typ	Scottish boiler, riveted
Working pressure, original	12 kg/cm2
Working pressure, present	10 kg/cm2
Area of heating surface	15,3 m2
Grate area	0,8-0,9 m2
Volume	1,8-2,0 m3
Fuel, original	Thick oil with preheater and Kjellanderburner
Fuel, planned	coal

The boiler.

Propeller:

Manufacturer	Härnösand MV
Diameter	1175 mm
Pitch	1250 mm
No of blades	4

Sources: SCA-arkivet (Kramfors AB kapitalböcker), G. Stengel, B. Sjölund, B. Westin, Å Persson