Hallberg-Rassy 35 Rasmus Ketch

Sailboat specifications

The Hallberg-Rassy 35 Rasmus is a 34’5” (10.5m) cruising sailboat designed by Olle Enderlein (Sweden). She was built between 1967 and 1978 by Hallberg-Rassy (Sweden) with 760 hulls completed. The Ketch version displays a divided sail plan guarantying less effort and better balance adjustment.

The Hallberg-Rassy 35 Rasmus is as well listed, on Boat-Specs.com, in Sloop version (see all the versions compared).

Hallberg-Rassy 35 Rasmus's main features

Model: Hallberg-Rassy 35 Rasmus
Version: Ketch
Hull type: Monohull
Category: Offshore cruising sailboat
Sailboat builder: Hallberg-Rassy
Sailboat designer: Olle Enderlein
Country: Sweden
Construction: GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Single skin fiberglass polyester
Number of hulls built: 760
First built hull: 1967
Last built hull: 1978
Appendages: Keel : swing keel
Helm: Single helm wheel
Rudder: Single rudder on skeg
Unsinkable: No
Trailerable: No
Standard public price ex. VAT (indicative only): N/A €

Hallberg-Rassy 35 Rasmus's main dimensions

Hull length: 34’ 5”10.5 m
Waterline length: 27’ 7”8.4 m
Beam (width): 10’3.05 m
Draft: 4’ 4”1.3 m
Light displacement (M_LC): 12125 lb5500 kg
Ballast weight: 5512 lb2500 kg
Ballast type: Steel incapsulated in deep GRP bilge

Hallberg-Rassy 35 Rasmus's rig and sails

Upwind sail area: 665 ft²61.8 m²
Mainsail area: 244 ft²22.7 m²
Mizzen sail area: 71 ft²6.6 m²
Genoa area: 350 ft²32.5 m²
Jib area: 240 ft²22.3 m²
Rigging type: Ketch Marconi masthead
Mast configuration: Deck stepped mast
Rotating spars: No
Number of levels of spreaders: 1
Spreaders angle: 0 °
Spars construction: Aluminum spars
Standing rigging: 1x19 strand wire continuous

Hallberg-Rassy 35 Rasmus's performances

Upwind sail area to displacement iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds. The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size. Upwind: under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 25 it indicates a fast sailboat.: 213 ft²/T19.83 m²/T
Displacement-length ratio (DLR) iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet). The DLR can be used to compare the relative mass of different sailboats no matter what their length: a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat.: 263
Ballast ratio iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared. The higher the ballast ratio is, the greater is the stability.: 45 %
Critical hull speed iAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed". The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34.: 7.03 knots

Hallberg-Rassy 35 Rasmus's auxiliary engine

Engine(s): 1 inboard engine
Engine(s) power: 45 HP
Fuel type: Diesel
Fuel tank capacity: 74 gal280 liters

Hallberg-Rassy 35 Rasmus's accommodations and layout

Cockpit: Center cockpit
Cabin(s): 2
Berth(s) (min./max.): 4 / 6
Head(s): 1
Freshwater tank capacity: 74 gal280 liters

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Hallberg-Rassy 35 Rasmus Picture extracted from the commercial documentation © Hallberg-Rassy

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Hallberg-Rassy 35 Rasmus sailplan Picture extracted from the commercial documentation © Hallberg-Rassy

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Hallberg-Rassy 35 Rasmus layout Picture extracted from the commercial documentation © Hallberg-Rassy

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Hallberg-Rassy 35 Rasmus sailing Picture extracted from the commercial documentation © Hallberg-Rassy

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Hallberg-Rassy 35 Rasmus interior and accommodations Picture extracted from the commercial documentation © Hallberg-Rassy

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Hallberg-Rassy 35 Rasmus detail Picture extracted from the commercial documentation © Hallberg-Rassy

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