Martin Wynne
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Martin Wynne submitted a new resource:
REA chair base dimensions - Dimensions of REA chair screws and fixings.
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REA chair base dimensions - Dimensions of REA chair screws and fixings.
Chair base is 1/4" thick at edge.
Seat for rail is 1.3/4" thick.
Screw top height above timber:
Before tightening: about 3". After fully tightening: 2.3/4" min, say 2.7/8" in new track.
The standard REA chair drawings are available here:
http://www.lmssociety.org.uk/assets/pdfs/permanentWay1928.pdf
Unfortunately the scan quality is rather poor and some dimensions are difficult to read. Chair screws and ferrules are on page 1. The ordinary...
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