Tom blok
Details of the sâqiya
Gul streg
Photo 511 x 506 pixels, 43,6 K
 
A bottom bearing seen in Khartoum, the Sudan
The footstep journal rotates in a piece of wood. After some time the soft wood wears out and the pivot must be pushed to a new "hole". No lubrication is used. Because of the friction ( wood against wood ) and the weight of the wheel, this bearing makes a screeching noise that can be heard at a long distance and tells the peasant whether the sâqiya is irrigating his field or not. During the season, it works day and night.
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