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RM 890+

Performance Cruiser Built by RM

Boat highlights

RM 890+ is currently estimated in the Good band with an SBP score of 104.

Length overall

29.2 ft

Primary sail area

538 ft²

Displacement

7,055 lbs

Performance band: Good GPH rating: 671
104
SBP score
Good band

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Performance Analysis

Detailed performance metrics and polar diagram for RM 890+.

Methodology note: SBP scores, polar diagrams, hull-speed values, and derived ratios are estimates. Use them for comparison and planning support—not as a substitute for manufacturer specifications, measured sea trials, rating certificates, professional weather routing, or safety margins. Review how we rate boats.

Performance Metrics

SBP Score
104
ORC GPH
671
Average Speed (GPH)
5.4 kn
Yardstick
97.7
Sail Carry Number
4.8
Planing Potential
1.1 (high)
Hull Speed
6.6 kn

Speed Estimates

Wind Speed (kn)Beat VMG (kn)Run VMG (kn)
63.13.6
83.84.5
104.35.3
124.65.8
144.86.2
164.96.6
204.97.4

Polar Diagram

Wind Speed (kn)

Key Specifications

Explore the hull dimensions and sail plan for RM 890+.

Dimensions

Length over all 29.20 ft
Length at Waterline 24.32 ft
Hull Speed 6.6 kn
Beam 11.22 ft
Draft 6.23 ft
Displacement 7,055 lbs

Sails

Main Sail Area 269.1 ft²
Foresail Area 269.1 ft²
Upwind Sail Area 538.19 ft²
Spinnaker/Gennaker Area 968.75 ft²

Construction ratios

Sail area-to-displacement (SA/D)
23.4
Capsize screening (CSF)
2.32
Comfort ratio (CR)
16.8

Discussion

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Data sources and methodology

Published specifications are kept separate from calculated ratios and estimated performance. SBP and speed outputs are model-based estimates, not owner ratings or certified handicaps.

Specifications
verified
Ratios
derived
Performance
estimated

Last checked: 27 Aug 2026. Source: RM official website. Read the SBP methodology.

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