Kaiser 25 Information, Review, Specs

Boat drawing
Make
Kaiser
Model
25
Number Built
Production Year(s)
1962 - ??

The Kaiser 25 is a classic American trailerable sailboat, designed by John R. Kaiser Sr. and built by Kaiser Yachts, also known as Stowman Shipbuilding Corp., in Wilmington, Delaware. Produced between 1962 and 1964, this masthead sloop was conceived as a robust and practical cruiser, embodying the builder's philosophy of constructing enduring and capable vessels for ocean cruising., 3] Its design reflects an era of transition in boatbuilding, with Kaiser Yachts embracing fiberglass construction to offer durability and reduced maintenance.

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The creation of the Kaiser 25 marked a significant period for John Kaiser Associates, Inc., with production commencing in 1962 and continuing until approximately 1964., 3] John R. Kaiser Sr. himself is credited as the designer, with the company operating out of Wilmington, Delaware, a region steeped in maritime tradition. 3, 4, builder article The builder's ethos, centered on "Kaiser designed and built the way a boat should be built," suggested a strong commitment to sound marine engineering and a focus on seaworthiness and stability. The Kaiser 25, though a smaller cruiser, likely benefited from this philosophy, aiming to provide a dependable vessel. The use of solid fiberglass for both the hull and deck materials aligns with the marine industry's widespread adoption of fiberglass during the mid-20th century, a move that revolutionized boat production with its promise of durability., The boat features a traditional long keel hull type, a design known for its directional stability and comfortable motion. [4,

Sailing Performance and Handling

The Kaiser 25, with a length overall of 25.33 feet and a waterline length of 18.25 feet, is a small sailboat designed for cruising. [2, Its long keel hull type generally contributes to excellent directional stability and a more comfortable ride in a seaway, though it can make for a less nimble turning radius compared to fin-keel designs. [4, Classified as a masthead sloop, the Kaiser 25 has a reported sail area of 284 square feet, indicating a moderate sail plan for its size. The boat is noted for its comfort, being considered more comfortable than 88% of similar sailboat designs, a characteristic often valued in a cruising vessel. With a theoretical hull speed of 5.72 knots, the Kaiser 25 offers steady performance suitable for coastal exploration and weekend voyages.

Accommodations and Layout

Specific detailed information regarding the interior layout and accommodations of the Kaiser 25 is not widely documented in available historical records. However, given its length overall of just over 25 feet and a beam of 7.83 feet, its interior would typically feature a compact but functional arrangement common for cruisers of its era. Expect a traditional layout that likely includes a V-berth forward, serving as the primary sleeping area. A small main salon would typically follow, offering seating and possibly a convertible dinette. A basic galley area, potentially with a small sink and space for a portable stove, along with a marine head, would also be anticipated to provide essential comforts for short to moderate cruises. The focus would have been on maximizing usability within the limited space, utilizing durable materials like fiberglass and wood trim for a robust, no-frills finish.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Long
Rudder
1x —
Ballast
2250 lbs (Lead)
Displacement
5350 lbs
Water Capacity
-
Fuel Capacity
-

Engine

Engine Make
Engine Model
Engine Type
Engine HP
Engine Count
1
Drive Type
Fuel Type
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Main Sail Area
-
Foretriangle Sail Area
-
Total Sail Area (Reported)
284 sqft
Total Sail Area (Calc)
-

Dimensions

LOA
25.33 ft
LWL
18.25 ft
Beam
7.83 ft
Draft
3.58 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
5.72 kn
Pounds per Inch Immersion
510.59