THUNDERBIRD

Main

Appendages
Fin w/spade rudder
Construction
Plywood/FG
First built hull
1958
Hull type
Monohull
Model
THUNDERBIRD
Sailboat builder
Sailboat designer
Ben Seaborn

Dimensions

Ballast weight
694.0
Beam
2.3
Displacement
1656.0
Draft
1.46
Max Draft
1.46
Overall length
7.92
Waterline length
6.17

Sails

E
3.96
Est. Forestay Length
8.51
Fore area
9.94
I
8.15
J
2.44
Mainsail area
18.72
P
9.45
Total area
28.71

Engine

Performance

Ballast ratio
41.92
Capsize Screening Formula
1.96
Comfort Ratio
17.4
Critical hull speed
6.03
Displacement-length ratio (DLR)
196.23
Upwind sail area to displacement
20.91

Accomodation

The Thunderbird is a popular sailing boat that was designed by Seattle-based sailor and boat builder, Ben Seaborn, in the 1950s. It was originally designed as a racing boat, but its versatility and ease of handling quickly made it a popular choice for cruising as well.

The Thunderbird is a 26-foot long keelboat with a sloop rig, meaning it has a single mast and a mainsail and headsail. It features a spacious cockpit and a comfortable cabin, making it suitable for day sailing or overnight trips. The boat has a displacement hull, which means it is designed to cut through the water rather than planing on top of it.

One of the key features of the Thunderbird is its simplicity and affordability. It is a relatively low-cost boat to purchase and maintain, making it accessible to a wide range of sailors. Its design also allows for easy single-handed sailing, although it can comfortably accommodate a small crew as well.

The Thunderbird has a strong and active class association, with fleets located in various parts of North America, particularly in the Pacific Northwest. The class association organizes regular racing events and social gatherings, fostering a sense of community among Thunderbird owners.

Overall, the Thunderbird is known for its excellent sailing performance, stability, and durability. It is a versatile boat that can be enjoyed by both experienced sailors and beginners alike.

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