Abstract
We built a boat with out-board engine for trial from light alloy 56S. The following data is ofintersest: L. O. A. 5.000m; beam 1.486m; depth 0.678m; weight of hull only, 100kg. This weightis about a half compared with the same type wooden one.
In future sails will be fitted. The form of the boat is suitable for motor boat trimming by the stern and is suitable for yacht when the boat is even keel except engine.
The maximum speed was 27 knots with 22 HP out-board engine.
This boat has been and will be used to study work, strength, vibration, corrosion etc.
