VO 70

VO 70
Class Secretary
Steve Beck
5493 E. 29th Street
Long Beach, CA 90815
562 243-9710

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Description

In the big boat sailing world the shape and theory of hulls has evolved, the look that has taken hold in racing boats like the Volvo Ocean Race and IMOCA boats has evolved to a wedge shape hard chinned planning hull.

Our concept at H.B.R.C. was, if this is the look of the fastest, toughest boats on the water, why wouldn't we be using these designs for the next generation of RC model sailboats also.

Specifications

Length48"
Beam @ stern12"
Mast height57"
Keel18"
Ballast6.5 Lb.'s
Weight12.5 Lb.'s
Overall Height7' - 2"
Main sail564.336 sq. in.
Jib490.608 sq. in.
Total sail Area1054.944 sq. in.

Class rules

February 26, 2014

The intentions of these class rules are to allow for close One Design racing while keeping costs "within reason". At the same time these class rules carry some flexibility to encourage creativity. If a specific class rule does not specifically allow for a modification to that part of the Rule, Boat, Sails, Rig, Hull or Appendages. Then assume you cannot modify outside of these rule. To change these class rules it will take a 2/3 majority of the class membership to vote and approve to modify and or change the rules.

1.0 HULL:
The authorized builder shall supply the Hull. There can be no changes to the shape of the hull other then 1.1. The only Hull Shape improvements allowed will be minor fairing to "smooth" the hull or to fix dings and scratches. 1.1 Optional Bow extension:
H.B.R.C has developed a new reverse bow extension that can be added to existing hulls. This new bow extension can only be provided by / through H.B.R.C. This bow extension is a cosmetic attachment and it is in keeping with the new boats for the Volvo Ocean Races. This is the only allowed hull modification allowed under these class rules.

2.0 DECK:
The mast step, chain plates and jib boom tack location shall be located per the H.B.R.C specification. No alteration to these locations shall be permitted.

3.0 KEEL & BULB:
The authorized Builder (H.B.R.C) shall be the only supplier for the class legal KEELís and BULBís. No changes to the KEEL or BULB shall be allowed under these rules other than "Minor Fairing". Minor fairing is defined as to the filling of minor dings and scratches with the use of glazing putty, primers and paint only.

4.0 RUDDERS:
There shall be "TWO" Rudders located in the original location and at the same angle as provided by the builder (H.B.R.C). The Shape, Weight and Materials for these rudders shall be unrestricted. The size of each rudder shall be no less then 54.00 sq cm, nor shall the size of each rudder be greater then 64.00 sq cm. (sq cm = Square Centimeters)

5.0 WEIGHT:
The minimum combined weight of the completed Hull, Keel, Rudders, Mast, Booms and finished interior with radio gear but without batteries shall not be less then 12 Pounds. The use and location of corrector weights shall be unrestricted.

6.0 MAST:
The "Mast" shall be made of aluminum. There shall be 3 sets of spreaders as located per H.B.R.C specifications. There shall be 1 set of Jumpers as located per H.B.R.C. specification. The "Mast" shall sit in the factory supplied Mast Step and shall be in the factory designated location. 6.1 Distance from Mast Base to highest possible Mainsail hoist is 1445mm Maximum.
6.2 Distance from Mast Base to highest possible "Inner Jib Luff Rope" attachment point is 1305mm Maximum.

7.0 MAIN BOOM:
The Mainsail Boom shall be constructed of Aluminum. There are no further restrictions.

8.0 JIB BOOM:
The Jib Boom shall be constructed of Aluminum. There are no further restrictions.

9.0 STANDING RIGGING:
Standing Rigging including all associated fittings shall be unrestricted with the exception of;
9.1 Distance from Mast Base to highest possible "Inner Jib Luff Rope" attachment point is 1305mm Maximum. (See 6.2)

10.0 RUNNING RIGGING:
Running Rigging including all associated fittings and "Blocks" shall be unrestricted.

11.0 SAIL CONTROLS:
All sail controls including steering, sheeting of sails, outhauls, vangís, shall be unrestricted with the exception that no more then "two servos" shall be allowed.

12.0 MAINSAIL DIMENSIONS: All sail dimensions and measurement points will be established in accordance to ISAF Equipment Rules of Sailing 2013 - 2016; Part 2 - Definitions: Section G - Sail Definitions. (All dimensions are maximums unless otherwise indicated)
There is no cloth weight restriction.
12.1 LUFF LENGTH - 1363mm Maximum.
12.2 LEECH LENGTH - 1390mm Maximum.
12.3 FOOT LENGTH - 345mm Maximum.
12.4 HEAD WIDTH - 110mm Maximum.
12.5 MGT - 150mm Maximum.
12.6 MGU - 206mm Maximum.
12.7 MGM - 285mm Maximum.
12.8 MGL - 330mm Maximum.
12.9 Battens are unrestricted in number, material and length. Battens must be evenly spaced along the leech with a +/- 25mm in separation.
12.10 Maximum head angle shall not exceed 90 degrees.
12.11 The HBRC "Open Ocean 70" Class Insignia shall be affixed to the top of the mainsail. The "Class Logo" must be centered above the Top Batten and below the Gaff Batten. The Starboard Logo shall be located higher then the port Logo.
12.12 JIB DIMENSIONS: All sail dimensions and measurement points will be established in accordance to ISAF Equipment Rules of Sailing 2013 - 2016; Part 2 - Definitions: Section G - Sail Definitions. (All dimensions are maximums unless otherwise indicated)
There is No Cloth Weight Restriction.
12.13 LUFF LENGTH - 1272mm Maximum.
12.14 LEECH LENGTH - 1132mm Maximum.
12.15 FOOT LENGTH - 465mm Maximum.
12.16 HEAD WIDTH - 16mm Maximum
12.17 MGU - 150mm Maximum.
12.18 MGM - 264mm Maximum.
12.19 MGL - 361mm Maximum.
12.20 Battens are unrestricted in material and length. Battens must be evenly spaced along the leech with a +/- 25mm in separation.
12.21 There shall be no more then 3 battens allowed in the Class Jib.

13.0 INTERIOR:
No modification to the interior of the boat shall be allowed.

14.0 HATCHES:
All hatches shall be unrestricted in shape or materials.

15.0 SAIL NUMBERS:
Sail numbers shall be the designated hull number of the boat. Sail numbers must be placed on the mainsail. Sail number dimensions are 3" top to bottom, Width shall not be less than 1 1/2" and the width of the font shall not be less then 3/8". Sail number color must be Black, Blue or Green, and be readable from a normal sailing distance. Sail numbers on the jib are optional.

GLOSSARY:
"Gaff Batten" - Shall be defined as the diagonal batten used to support the head- width of the mainsail.
"Inner Jib Luff Rope" - Shall be defined as the rope or wire inside the luff of any jib.


Sailmakers

Ullman Sails eshampain@ullmansails.comErik Shampain
Pirate Sails ssbeck@verizon.netSteve Beck
Carr Sails RodCarr@CarrSails.comRod Carr
Long Beach RC www.longbeachrc.comPatrick Turner


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