The Caliber 47 LRC Sailboat
Specs & Key Performance Indicators

The Caliber 47 LRC (Long Range Cruiser), a centre cockpit cutter, was designed by Michael McCreary and built in the USA by Caliber Yachts.

'Bakeapple', a Caliber 47 LRC (Long Range Cruiser) sailboatA Caliber 47 LRC (Long Range Cruiser)

Published Specification for the Caliber 47 LRC

Underwater Configuration: Fin keel & skeg-hung rudder

Hull Material: GRP (Fibreglass)

Length Overall: 46'10" (14.3m)

Waterline Length: 36'2" (11.0m)

Beam: 13'2" (4.0m)

Draft: 5'3" (1.6m)

Rig Type: Cutter

Displacement: 30,000lb (13,608kg)

Designer: Michael McCreary

Builder: Caliber Yachts (USA)

Year First Built: 1999

'Endorfin', a Caliber 47 LRC is for Sale

Sorry, she's sold but you can still see the ad if you're looking for more pics and info about these capable Long Range Cruisers.

Published Design Ratios for the Caliber 47 LRC

1. Sail Area/Displacement Ratio: 15.8

  • Less than 16 would be considered under-powered;
  • 16 to 20 would indicate reasonably good performance;
  • Over 20 suggests relatively high performance.

2. Ballast/Displacement Ratio: 39.4

  • Under 40: less stiff, less powerful
  • Over 40: stiffer, more powerful

3. Displacement/Length Ratio: 239

  • Under 100: Ultralight
  • 100 to 200: Light
  • 200 to 275: Moderate
  • 275 to 350: Heavy
  • Over 350: Ultraheavy

4. Comfort Ratio: 39.0

  • Under 20 indicates a lightweight racing boat
  • 20 to 30 indicates a coastal cruiser
  • 30 to 40 indicates a moderate offshore cruising boat
  • 40 to 50 indicates a heavy offshore boat
  • Over 50 indicates an extremely heavy offshore boat

5. Capsize Screening Formula: 1.6

  • Under 2.0 (the lower the better): Better suited for ocean passages
  • Over 2.0: Less suited for ocean passages

read more about these Key Performance Indicators...

Summary Analysis of the Design Ratios for the Caliber 47 LRC

1. A Sail Area/Displacement Ratio of 15.8 suggests that the Caliber 47 LRC will need a stiff breeze to get her going. In light conditions, unless you've got plenty of time on your hands, motor-sailing may be the way to go.

2. A Ballast/Displacement Ratio of 39.4 means that the Caliber 47 LRC will initially stand up reasonably well to her canvas in a moderate breeze, but she'll need a reef in the main to avoid heeling excessively in a gust.

3. A Displacement/Length Ratio of 239, tells us the Caliber 47 LRC is a moderate displacement cruiser, which means she'll carry all your cruising gear without it having a dramatic effect on her performance. Most of today's sailboats intended for offshore cruising fall into this displacement category.

4. Ted Brewer's Comfort Ratio of 39.0 suggests that crew comfort of a Caliber 47 LRC in a seaway is similar to what you would associate with the motion of a moderate bluewater cruising boat - a predictable and acceptable motion for most seasoned sailors.

5. The Capsize Screening Formula (CSF) of 1.6 tells us that a Caliber 47 LRC would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0. 

Other sailboats in the Caliber range include:


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