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
Sloop version is offered with a classic masthead Marconi sloop rig.
The
Hallberg-Rassy 35 Rasmus is as well listed, on Boat-Specs.com, in
Ketch version (
see all the versions compared).
Hallberg-Rassy 35 Rasmus's main features
Model
Hallberg-Rassy 35 Rasmus
Version
Sloop
Hull type
Monohull
Category
Offshore cruising sailboat
Sailboat builder
Sailboat designer
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)
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 (MLC)
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
594 ft²55.2 m²
Mainsail area
244 ft²22.7 m²
Genoa area
350 ft²32.5 m²
Jib area
240 ft²22.3 m²
Rigging type
Sloop 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.191 ft²/T17.72 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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