The Author Wearing Rnli Visor and Helmet In the Working Section of the Wind Tunnel During These Tests With Wind and Spray Travelling at 50 Knots and the Ambient Temperat
The author wearing RNLI visor and helmet in the working section of the wind tunnel.
During these tests, with wind and spray travelling at 50 knots and the ambient temperature down near freezing, conditions were unpleasant even with the best protection.
They were intolerable after a minute or two with a bare head..
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