22 Sept 2021 – WW1 Aircraft Electrical Systems, including Radio – Bob Thomson, APSS

Bob Thomson of APSS (Aviation Preservation Society, Scotland) described the recreation of a 100+ year old plane design: The Sopwith Strutter 1 1/2. The Strutter came before the more famous Sopwith Camel and had a close relationship with this part of the world.

Bob talked about the plane and how it was recreated and the obvious issues that face building a 100 year old design with particular attention being applied to the electrical issues along with how radio was incorporated into the reconstruction.

After his talk, Bob was presented with a donation from the LRS to the APSS preservation fund.

Many thanks to Bob for a most interesting talk and for allowing us to show his slides on the website.

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The original electrical system was very simple, if not crude!

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 Of necessity the electrical system in the reconstructed aircraft is more complex

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The padding around the windscreen provided protection for the pilot in the event of a sudden stop.

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The original radio equipment was a spark transmitter for morse code.

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A modern transceiver had to be used in the recreated aircraft.

The Trig TY92 is manufactured by Trig Avionics near Edinburgh.

See: https://www.trig-avionics.com/products/

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LRS program manager James GM4WZP visited the aircraft when arranging Bob’s talk.

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Many thanks to Bob for a great talk. He handed out this leaflet encouraging volunteers to join the project. (E-mail Mike apsscoms@virginmedia.com if interested).

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