Machine hall in Eskilstuna museums 2007. Ref 1
Machine hall in Eskilstuna museums 2007. Ref 1
Foundries and mines in Bergslagen
Driving with mc to Polhem wheel Norberg
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Björn Bellander. Pictures current 2008
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2017-12-30
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Angelsbergs foundry
Ags foundry
Bispbergs mine
Bjorndammens foundry
Dunshammar
Flatenbergs foundry
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Mellings ruin
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Tykarps cave
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Links

Polhems wheel

Norberg Polhems wheel

Info text Pohlhems wheel

Principskiss. Ref 1
Flat rod system. Ref 1
In the center of Kärrgruvan, there is a sign showing the way to Polhemshjulet. It is placed in a middle of a crossroad and it is easy to take the wrong way. If you are driving towards a 30 km speed sign, you are chosen the wrong way. A down hill road is leading you to a parking place for this interesting wheel structure. Here you can read about this flat road construction. . It is astonishing what power one could
Avtagsvägen i Kärrgruvan. Ref 1
Cross rod on the way to Kärrgruvan. Ref 1
Överblick av vad som är renoverat/kvar av stånggången. Ref 1
Overview of the 150 m renovated part of Polhem wheel. Ref 1
Maskinhuset med vattenhjulet. Ref 1
Macine house and the waterwheel. Ref 1
Visar anslutningen av vattenrännan/akvedukten. Ref 1
Shows the connection of the water from the stream. Ref 1
Princip att binda ihop stängerna. Ref 1
Principle to connect the bars. Ref 1
Anslutningen till den grävda rännan. Ref 1
Connection of the digged channel to a chute to transport wter to the wheel. Ref 1
Enkel upphängning. Ref 1
Simple connection. Ref 1
Kopplingen. Ref 1
The coupling, called "buggare". Ref 1
Stångens upphängning. Ref 1
Mounting of the rod. Ref 1
Info text polhemshjulet. Ref 1 
Info text polhemshjulet. Ref 1
get out of this 15 m "water fall".
Technically it was only 15.2 ps, but the moment was immer larger. These flat rods could transfer the movements several km. This one had a length of 1306 m long. The wheel got it's working water on top and this had the effect that the total weight in 70 bags filled with water times lever gave the moment/force. In order to lead the water from the nearby Bålsjön a 3 km long channel was digged. This is still left but with only a small amount of water. The last connection to the wheel through a chute. In the end of  the digged channel there is still the   arrangements for connection to the wheel. By some occasion it is burned. This kind of digged channels are not unusual. A still working channel with water, can be seen in Bredsjö between Kopparberg and Hällefors. Although the mark owner have cut down all trees on the channel sides. This will condemn the channel in some years. It is important that societies watch their area history and take care of what are left behind. Market owners don't care. The crankshaft gives the flat rod a stroke of 1.8 m. Here the rods are connected. Of course it was very important not to get to much play in every connection. The total play could decrease the stroke noticeable. Look at the picture and understand the construction.  Stroke length is also lost when the rod is hanging. Look at the genius for it's time of cardan joints. These didn't allow any play. This was a work by the local black smith. The mounting is very simple. This flat rod was built 1877 and was i use till 1920. This despite that steam engines already were used 1850. Nevertheless because it was cheap with water power. Electricity came to Norberg 1897. These types of falt rods could only be used for pump out water from the mines. This because of the fotward and resverse movements. Bringing up ore was normally made by horse mills or when not so deep mines just by carrying the ore up to zero level.

Other Car MC museums in this website

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Adalen car museum
Arnolds_cars & odds ends
Arvika car mc museum
Assa car museum
AUDI Ingolstadt
Autoseum
Autostadt

Barnfind Halsingland
Barnfind Katrineholm
Brosarp Museistation
Bjorkenas mopedmuseum
Brooklands England
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Bynanders Car MC
Car sport museum Karlskrona
Chaparral carmuseum
Duxford England
Dalén musem
Eds Motorcycle museum
Enoch Thulin Landskrona
Falkoping MC Museum
Foundries and mines
Garage round in Halsingland
Grangesberg Nostalgi
Grafors Collection
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Hannover air museum
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Holmgren VW collection
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Ladenburg
My Vehicles
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MC-Collection Sweden
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Sparreholm museum
Sagen Technical museum
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Torsong MC museum
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Technical museum Helsinb
Technical museum Stockholm
Ullared carmuseum
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Volvo Industrial museum
Ziegenhagen

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Karlskrona Marina

Pictures from the following owners have been used in bjorns-story.se with the apropriate permission:
Reference 1: © Björn Bellander  bjorn.bellander(at)telia.com
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