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Author Topic: Question - working Dual Semaphore Signal from one servo  (Read 564 times)

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Offline Neil of Teesside

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Re: Question - working Dual Semaphore Signal from one servo
« Reply #15 on: August 25, 2019, 06:06:57 PM »
Whilst true it wouldn't be possible for a signalman to pull 2 levers at the same time. However, according to Mick Nicholson in his book Constructing and Operating Semaphore Signals, full size arms are set 6 foot apart and miniature arms are set at 3 foot 6 inch apart. This is to prevent arms from interfering with each other, as well as allowing the drivers to have a clear view of each signal.

Offline Delboy

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Re: Question - working Dual Semaphore Signal from one servo
« Reply #16 on: August 26, 2019, 08:51:33 AM »
Whilst true it wouldn't be possible for a signalman to pull 2 levers at the same time. However, according to Mick Nicholson in his book Constructing and Operating Semaphore Signals, full size arms are set 6 foot apart and miniature arms are set at 3 foot 6 inch apart. This is to prevent arms from interfering with each other, as well as allowing the drivers to have a clear view of each signal.
Thanks Neil.
Some more very useful information which I will take on board.
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