The Grampian 30 is a small recreational keelboat, built predominantly of fiberglass, with wood trim.
It has a masthead sloop rig, a raked stem, a reverse transom and an internally-mounted spade-type rudder controlled by a wheel.
It may be fitted with a fixed fin keel or, optionally a centreboard and stub keel.
It displaces 8,600 lb (3,901 kg) and carries 3,870 lb (1,755 kg) of ballast.

The boat has a draft of 4.67 ft (1.42 m) with the standard keel fitted.
The centreboard version has a draft of 7.00 ft (2.13 m) with the centreboard extended and 3.00 ft (0.91 m) with it retracted, allowing ground transportation on a trailer.

A tall mast version was also produced that has a mast about 4.5 ft (1.4 m) higher.

The boat is fitted with a Universal Atomic 4 gasoline engine.
The fuel tank holds 10 U.S. gallons (38 L; 8.3 imp gal) and the fresh water tank has a capacity of 15 U.S. gallons (57 L; 12 imp gal).

The centreboard version has a PHRF racing average handicap of 201 with a high of 180 and low of 216.
The tall mast model has a PHRF racing average handicap of 195 with a high of 186 and low of 207.
All models have hull speeds of 6.77 kn (12.54 km/h).
The Grampian 30 is a small recreational keelboat, built predominantly of fiberglass, with wood trim. It has a masthead sloop rig, a raked stem, a reverse transom and an internally-mounted spade-type rudder controlled by a wheel. It may be fitted with a fixed fin keel or, optionally a centreboard and stub keel. It displaces 8,600 lb (3,901 kg) and carries 3,870 lb (1,755 kg) of ballast.
The boat has a draft of 4.67 ft (1.42 m) with the standard keel fitted. The centreboard version has a draft of 7.00 ft (2.13 m) with the centreboard extended and 3.00 ft (0.91 m) with it retracted, allowing ground transportation on a trailer.
A tall mast version was also produced that has a mast about 4.5 ft (1.4 m) higher.
The boat is fitted with a Universal Atomic 4 gasoline engine. The fuel tank holds 10 U.S. gallons (38 L; 8.3 imp gal) and the fresh water tank has a capacity of 15 U.S. gallons (57 L; 12 imp gal).
The centreboard version has a PHRF racing average handicap of 201 with a high of 180 and low of 216. The tall mast model has a PHRF racing average handicap of 195 with a high of 186 and low of 207. All models have hull speeds of 6.77 kn (12.54 km/h).
Grampian 30