Re: Another of Paul Nicholson's Jan 1967 photographs PN-3
  Andrew C

Takes me back to driving past Harold Holt Pool and through Royal Park in
the 80s when the overhead wires were iced and my tram jerked along with
lots of spectacular sparking. Great fun.

Andrew.

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On Thu, 13 Aug 2020 at 15:55, Roger Greenwood efftech@...> wrote:

> Paul’s photograph shows Launceston trolley bus No 323 in York St between

> St John St and Charles St.

>

> Unlike Hobart, the Launceston vehicles were never equipped with trolley

> retrievers but carried a long pole for the purpose that rested in a cradle

> of sorts visible beneath the windows on the driver’s side. Lacking

> retrievers, there was a roof-mounted frame with hooks to stow the poles

> when required.

>

> Launceston’s trolley buses experienced an operational problem not

> encountered by any other Australian system. Launceston is an inland city

> surrounded by hills, after the style of Canberra, and experiences very low

> overnight temperatures in winter. Following nights of frost, the overhead

> was iced up and this led to poor contact with the trolley heads. Various

> types of shoes were tried including cast iron but the problem was never

> completely overcome.

>

> As with other systems, Launceston adopted Selectric frogs to enable the

> driver to switch between routes when approaching junctions. One of these

> was so problematical that it was converted to manual operation requiring

> the driver to insert an insulated rod into a pole-mounted roadside box.

> When not in use, the insulated rod rested on the driver’s console.

>

> Roger Greenwood

>

>

>

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