Helsen Explorer 21 Information, Review, Specs
- Make
- Helsen
- Model
- Explorer 21
- Number Built
- Production Year(s)
- 1977 - ??
Measurements
Construction & Hull
- Construction Material
- Fiberglass (Solid)
- Hull Type
- Monohull Sailboat
- Keel Type
- Wing
- Rudder
- 1x —
- Ballast
- 200 lbs
- Displacement
- 1750 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
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- 20 ft
- E (Main Foot)
- 8.75 ft
- I (Foretriangle Height)
- 24.83 ft
- J (Foretriangle Base)
- 7.04 ft
- Forestay Length (est)
- 25.81 ft
- Main Sail Area
- 87.5 sqft
- Foretriangle Sail Area
- 87.4 sqft
- Total Sail Area (Reported)
- 175 sqft
- Total Sail Area (Calc)
- 174.9 sqft
Dimensions
- LOA
- 21.5 ft
- LWL
- 17.33 ft
- Beam
- 7.33 ft
- Draft
- 4 ft
- Max Headroom
- -
- Air Draft
- -
Calculations
- Hull Speed
- 5.58 kn
- Pounds per Inch Immersion
- 453.89