
Main Sheet: Our online editor takes the mystery out of carving your own mast
The article focuses on how to design and carve an effective mast for a model yacht, emphasizing that it’s a commonly misunderstood part of construction.

The article focuses on how to design and carve an effective mast for a model yacht, emphasizing that it’s a commonly misunderstood part of construction.

In the Tideway
GENIE Part two of Vic Smeed’s simple Marblehead for vane or radio
Readers Write...
More on Sail Aerodynamics Some additional notes by the Editor
ROUND THE REGATTAS — and other club activities

GENIE Part One of a series on building a simple and inexpensive 15.5 Ib. Marblehead yacht for vane or radio BY VIC SMEED
The Aerodynamics of Yacht Sails By Harry Woodend. Reproduced from the M.Y.R.A.A. Quarterly Report by permission of the Model Yacht Racing Association of America

In the Tideway
FROM THE M.P.B.A. PRESIDENT
1973 BRITISH MARBLEHEAD CHAMPIONSHIPS Bournville, 25-27 Aug. Report by M. Harris
Round the Regattas or, more correctly, round Mersea Island

1973 A-Class Championships and International Yachting Monthly Cup Report by Joyce Roberts, Photos by J. Browne and the Editor
An American R/C Yacht Kit Bob Jeffries reports on his findings with the ‘Soling’ Marblehead
Readers Write...
Round the Regattas

R/C YACHTING IN THE U.S.A. Bob Jeffries recently visited and competed in California
Making a Spinnaker An extra sail for the 36in. Gosling or similar size yacht
DOUBLE LUFF SAILS by A. B. Whiteley
Round the Regattas

Another Proportional Sail Winch for R/C yachts
This neat and different approach avoids corrosion-prone wipers. Sent in by C. I. Redhill of the East Rand M.B.C., South Africa.
TANK TESTS OF MODEL YACHT HULLS by Graham Bantock
Readers Write...
GOSLING Part 4 of this extremely popular yacht, which fits the 36 in. Restricted class, yet is easy and cheap to build. BY VIC SMEED
1973 36 in. Restricted Championships Reported by 14-year-old Tom Armour

In the Tideway
HOYDEN A new ‘A’ Class design by the designer of the 1964 winner. By G. K. Collyer
TURTLE — OR MOCK TURTLE? Kai Ipsen explains just what the critical (and criticised!) ‘A’ Class rule proposal would mean.
GOSLING Part Three of this simple and attractive 36 in. Restricted yacht.
Round the Regattas
Readers Write...

GOSLING Part Two of our lightweight 36 in. Restricted class model for vane or radio sailing BY VIC SMEED
Radio Control Yachting Part Two By C. R. Jeffries
Round the Regattas