"Brake," "gripe" or "head" wheel in windmill is main driving gear; earliest type consists of two wooden windshafts; "wallower" is term given to wheel driven directly by brake wheel and is behind it.
Brake wheels and wallowers
Engineering
Engineering ; 165 , n 4293 ; p 453-455
1948
3 pages
Aufsatz (Zeitschrift)
Englisch
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