LCBER: Wheels and Trucks/Bogies
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This photo shows a "maximum-traction" truck on an ex-Bournemouth car. One axle is powered: the truck pivot is off-centre towards the powered axle (the one with larger-diameter wheels) so that about 60% of the weight is on that axle.
The toastrack cars were unusual for British trams of that period, as they did not have a "lifeguard" at the front. Most trams had a two-barred or three-barred gate just below the front of the body. If this gate hit something, such as a person that had fallen onto the track, the movement of the gate released an L-shaped "shovel" affair, which scraped along the surface of the street and was supposed to scoop up the person before he/she encountered the wheels.
This is illustrated in the last photo on this page, at the lower right.
The toastrack cars didn't have a lifeguard: they had a steel-bar
pilot, which would certainly force any large object