J. S. Helyer
Yacht designer
Models
1
Years active
1898–1951
Length overall
7.8–7.8 m
(25–25 ft)
Hull types
1 mono
Models
| Model | Years | LOA | Hull | Builder |
|---|---|---|---|---|
| YORKSHIRE ONE-DESIGN | 1898–1951 | 7.77 m | Monohull | Field & Co., Ltd |
Builders of boats by J. S. Helyer
Last updated 30 December 2025