| HR P-28 Data | |
|---|---|
| Design | Harry Hallberg |
| Build year from | 1955 |
| Build count | 536 |
| Length over all | 8.61 m / 28′ 3″ |
| Hull length, hull # 1 – 499 | 8.61 m / 28′ 3″ |
| Hull length, hull # 500 – 536 | 9.04 m / 29′ 8″ |
| Hull length | 8.61 m / 28′ 3″ |
| Beam | 2.35 m / 7′ 9″ |
| Draft | 1.28 m / 4′ 2″ |
| Displacement | 3100 kg / 6835 lbs |
| Sail area | 34.5 m² / 371 sq ft |
| Engine, hull # 1 – 499 | Albin O-21, Petrol |
| Engine, hull # 500 – 536 | Volvo Penta MD 1 B |
| Engine | Albin O-21, Petrol |
| kW / HP | 7.5 / 10 |
| kW / hp | 7.5 / 10 |
| Propeller shaft | 25 mm / 1″ |
| Water tank | 65 liter / 17.2 US gallon |
| Fresh water | 65 liter / 17.2 US gallon |
| Diesel | 40 liter / 10.6 US gallon |
| Fuel tank | 40 liter / 10.6 US gallon |