Sail Area

By and large, the total sail area given here is the total of the mainsail area plus the area of the foretriangle, plus the area of the mizzen sail, if any. (See Figure One.) In some cases, however, the builders or marketers may have calculated total sail area as the sum of the mainsail and a genoa jib, which is larger than the area of a foretriangle—without revealing what they've done. In such cases—if we didn't note and correct the difference—the sail area may be slightly overstated, and resulting ratios, such as SA/D, will also be slightly overstated.

Table Two: Method of Calculating Approximate Trailer Towing Weight (lbs.)

Vessel Displacement

Assumed Additional Gear Weight

Subtotal

Boat and Gear

Approximate Trailer Weight

Total Approximate Towing Weight

Under 850

150

Max. 1,000

300

Max 1,300

850-999

180

1,180

325

1,505

1,000-1,199

190

1,390

375

1,765

1,200-1,399

200

1,600

400

2,000

1,400-1,599

210

1,810

450

2,260

1,600-1,799

220

2,020

500

2,520

1,800-1,999

230

2,230

550

2,780

2,000-2,199

240

2,440

650

3,090

2,200-2,399

250

2,650

700

3,350

2,400-2,599

260

2,860

900

3,760

2,600-2,999

300

3,300

1,050

4,350

3,000-3,499

400

3,900

1,200

5,100

3,500-3,999

500

4,500

1,350

5,850

4,000-4,999

600

5,600

1,500

7,100

5,000 & up

10% of displ. plus 100 lbs.

Sum of boat and gear

27% of weight of boat and gear

Sum of boat, gear, and trailer

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