The idea was to obtain the greatest contact with the water and therefore the greatest resistance, because this tends to lift the boat and decrease the power necessary to acquire speed. (1500 w.)
The theories upon which the Knapp roller boat was built
Sci Am
1897
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Construction and details of the Knapp roller boat
Engineering Index Backfile | 1898
Engineering Index Backfile | 1897
Online Contents | 1996
Kraftfahrwesen | 1989
|