Description
Classic 1238 – Aluminum Jon Boat Plans – Flat Bottom
The Classic 1238 aluminum jon boat is a compact, lightweight, and highly practical flat-bottom design built for fishing, recreation, and utility use. Its simple structure and efficient layout make it an excellent choice for builders looking for an easy-to-build and reliable small boat.
With a flat-bottom hull (0° deadrise), this boat provides outstanding stability and very shallow draft, making it perfect for rivers, lakes, and shallow water environments. Ideal for 1–2 persons, it is easy to transport, launch, and operate.
Why Choose This Jon Boat?
- Compact and easy-to-build design
- Flat-bottom hull for maximum stability
- Perfect for shallow water operation
- Lightweight and easy to transport
- Designed for small outboard engines (5–10 HP)
Technical Specifications
- Hull length: 11′ 10″ (3.60 m)
- Hull width: 50″ (1.27 m)
- Chine width: 38″ (0.97 m)
- Side depth: 17″ (43 cm)
- Cockpit depth: 15 1/2″ (39 cm)
- Fuel capacity: portable tank
- Deadrise: 0.0° (flat bottom)
- Dry hull weight: 308 lbs (140 kg)
- Maximum persons: 1–2
- Design category: D
- Transom inclination: 12°
- Transom height: 15″ (38.1 cm) – short shaft (S)
- Outboard engine: 5–10 HP
Construction & Materials
Imperial Version:
- Bottom, sides and seats: 1/8″ or 5/32″ aluminum
- Floor: 1/8″ aluminum or 3/8″ plywood
Metric Version:
- Bottom, sides and seats: 3 mm or 4 mm aluminum
- Floor: 3 mm aluminum or 9 mm plywood
This flexible material setup allows you to tailor the build to your needs, whether you prefer a full aluminum structure or a hybrid solution with a plywood floor.
Available Plan Options
HAND CUT (DIY Version)
Designed for self-cutting at home or in your garage using basic tools like a jigsaw.
- 1:1 Full-Scale Plans – print and transfer directly onto materials
- Plotting Points Method – build without large-format printing
CNC Version
Ready-to-use cutting files prepared for CNC machines. Ideal for precision builds and reduced construction time.
Perfect For
- Fishing on lakes and rivers
- Shallow water environments
- Solo or 2-person use
- DIY aluminum boat builders
Instant download available after purchase – start building today!
