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Old 06-04-14, 09:33 AM
Dierk Bauer's Avatar
Dierk Bauer Dierk Bauer is offline
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Join Date: Oct 2012
Location: Hamburg/Germany
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Default Mathilda

The steam launch MATHILDA is a small boat owned by the Museumshafen Oevelgönne at Hamburg, but got an interesting history...at least her steam engine.... used to be the engine of the Captain`s launch of the cruiser HMS MELBOURNE

Pictures have been taken on various dates

More pictures and information can be viewed here:
http://www.dampfpinasse-mathilda.de/...hte-daten.html

English translation (with the help of Google Translator)

Mathilda's story
Mathilda was commissioned by Wilfried Leven , Travemünde , from Finnish
Jaw after historical models built 1994-1996 in Finland.
The steam engine used to be the engine of the Captain`s launch of the Australian Light Cruiser " HMS Melbourne" built 1911-1913
In 1928, the HMS Melbourne was scrapped and the launch didn`t survive too.
Her beautiful steam engine built in 1912 , however, lay dormant for many years in a barn in England, before being discovered by Mr. Leven and revived...
In 2003 Mr. Leven died. . His widow Marga handed Mathilda 2006 over to the
Museum Oevelgönne eV , in order that she will be operated and properly mainte surrounding the historical
Ships will be operated and properly well kept in the surrounding of historical ships.


Facts and figures on steam launch Mathilda

Length *: 12.0 m

Width : 2.90 m *

Draft * : 0,80 m

Year * : 1996 (replica for historical cracks )

Material *: Oregon Pine , Mahogany

Shipyard *: Jacobstads Batsvarv , Finland

Engine *: * 2 - cylinder expansion steam engine in the condenser operating
29 HP , Brand Philips , 1912, England *

Shell: ** water -tube boilers of Alex Ritchie , England *

Boiler output : 25 hp

Back To The Physics:
1 HP ( Horse Power) corresponds to 1 hp
*
Specifically : 1 HP = 1.0139 PS = 0.7458 kW

1 horsepower is the power that is required by 75 kg in 1 sec 1 m to raise

Design pressure : 19 bar

Test pressure: 28 bar

Kettle order: 14 March 1996

Water content by mid- sight glass : 95 liters


Steam Boiler power : 380 kg / h

Heating area : 6.9 m²

Grate area : 0.33 m²

Boiler design specification : BS 1113 : 1992 (British Standard , 1992 edition )
the current tests are performed by the LR ( Lloyds Register )

******
* Firing *: coal ( Silesian coal ) , Extracite ( smoking -free coal),
wood

It takes at least three hours , to raise enough steam , enabling
Mathilda sail. Raising steam on Mathilda means to get up early !

* Coal bunker in the side walls *: 6 pieces each with about 100 kg capacity

* Consumption * per hour of up to 16 kg of coal

* Displacement *: 6.5 t

* Features : * The external capacitor and modern navigation
and communication tools enable her to sail in salt water.
In the forecastle are two beds and a toilet with holding tank .

Owner *: Museum Oevelgönne eV www.museumshafen - oevelgoenne.de
<http://www.museumshafen-oevelgoenne.de/>

Homeport: * Hamburg
Location * : Tatenberg (Hamburg), Sandtorhafen
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