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|
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| Hull Type: |
Fin w/spade rudder |
Rig Type: |
Fractional Sloop |
| LOA: |
25.98' / 7.92m |
LWL: |
20.25' / 6.17m |
| Beam: |
7.54' / 2.30m |
Listed SA: |
309 ft2 / 28.71 m2 |
| Draft (max.) |
4.79' / 1.46m |
Draft (min.) |
|
| Disp. |
3650 lbs./ 1656 kgs. |
Ballast: |
1530 lbs. / 694 kgs. |
| SA/Disp.: |
20.91 |
Bal./Disp.: |
41.91% |
Disp./Len.: |
196.23 |
| Designer: |
Ben Seaborn |
| Builder: |
|
| Construct.: |
Plywood/FG |
Bal. type: |
|
| First Built: |
1958 |
Last Built: |
|
# Built: |
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RIG DIMENSIONS
KEY |
| I: |
26.75' / 8.15m |
J: |
8.00' / 2.44m |
| P: |
31.00' / 9.45m |
E: |
13.00' / 3.96m |
| PY: |
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EY: |
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| SPL: |
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ISP: |
|
| SA(Fore.): |
107.00 ft2 / 9.94 m2 |
SA(Main): |
201.50 ft2 / 18.72 m2 |
| Total(calc.)SA: |
308.50 ft2 / 28.66 m2 |
DL ratio: |
196.23 |
| SA/Disp: |
20.88 |
Est. Forestay Len.: |
27.92' / 8.51m |
|
DESIGNER |
| More about & boats designed by: |
Ben Seaborn |
|
RELATED LINKS |
| Thunderbird Class Association |
thunderbirdsailing.org |
|
NOTES |
|
Some THUNDERBIRDS have been built of molded FG with aluminum spars. A "cruising deck" design was introduced. Most have been built from plans now supplied by the class association. See the class web site for details.
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