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High Powered Racing / Cruising Hovercraft
Our 12R is the only racing hovercraft plan set we offer. This design has been a proven winner in the USA circuit winning the formula one and formula two national championships countless times. This design is also competitive in England and in the European championships.
It's powered by a two stroke thrust engine and four stroke lift engine. Typically we power the thrust system with a 50 to 150 hp two stroke snowmobile or aircraft engine. Lift engine is 8 to 15 hp Briggs & Stratton or Tecumseh.
With a 10 hp lift engine and 85 hp thrust engine the craft has a 1:1 thrust to weight ratio. This provides rocket fast acceleration, low power cruising and excellent results at the race track. A 503 Rotax thrust engine will power the craft to 65 mph on the water with excellent acceleration.
The craft is built from wood ribs and stringers with a plywood skin. This is a lightweight structure with plenty of interior cockpit space. It will handle 2 to 3 large adults although the craft is generally configured to comfortable seat two passengers.
Good thrust engines: Rotax, Yamaha, Polaris, HKS, Hirth, Weber or any other light weight high output engine.
Click here to view the UH-12R in our Builders Showcase
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| Specifications |
| Capacity |
1 to 2 Passengers |
| Payload |
500 Lbs |
| Speed |
60 to 70 mph |
| Hover Height |
8 inches |
| Length |
12 ft 9 in |
| Width |
6 ft |
| Empty Weight |
375 to 450 Lbs |
| Flotation |
1400 Lbs |
| Climb Gradient |
60 to 70% |
| Engines |
8 to 15 hp lift (under 80 Lbs), 2 cycle thrust (20 to 90 hp) |
| Construction Method |
Wood Rib and Plywood Skin |
| Construction Time |
200 hours |
| Thrust duct diameter |
48 inches |
| Lift duct diameter |
30 inches |
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