Wheels

Another holiday picture - this time from San Francisco.

These four motors and 'sheaves' drive the city's cable car system. The cables run at a constant 9.5 mph for about 19 hours a day. The drivers on the cable cars vary the amount of friction their grips exert to vary the speed of the car - all done by brute force.

Although formerly a major means of transport around the city, the four remaining lines are now mainly for tourists. The queues at either end stretch for some distance at the busiest times.

Anyway, this was taken at the widest end of the lens, and then cropped slightly top and bottom. Converted to B&W in Photoshop Elements. 1 second exposure, with the camera balanced on the rail that stops tourist from falling into the workshop below.

As ever, all coments, critique and mods welcome.

Camera:	Canon EOS 350D
Lens:	Sigma 10-20 EX
Recording media:	RAW (digital)

Title:	Wheels
Username:	Sabreur
Uploaded:	20 Aug 2007 - 11:41 PM
Tags:	Black & white, Cable car, Landscape / travel, San francisco, Transport
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