2009 By-Law and Specification Changes
The 2008 Spring ballot and vote resulted in the following Specification
changes:
Note: The Specification numbers are tentative and subject to final
editing and insertion into the Official Specifications.
- Effective January 1, 2009
Add:
I.14 Bow Tang |
English
|
Metric
|
|
Max
|
Min
|
Max
|
Min
|
Width: |
3 3/4
|
|
95.3
|
|
Horizontal distance from the pivot axis of the steering
runner to the aftermost end of the bow tang: |
8
|
|
203.2
|
|
Height above a horizontal line extending forward
from the deck at a point 2" (50.8 mm) behind the bow: |
3
|
|
76.2
|
|
- Effective January 1, 2009
Add:
I.15 Runner Plank Mounting Hardware
a. The runner plank mounting system shall not extend more than 4"
(101.6 mm) outside of the side panel of the fuselage.
b. The runner plank mounting system shall be located in an area that
does not exceed 30" in the fore and aft dimension
- Effective January 1, 2009
Delete:
The last sentence of H.4: "The bobstay strut must be at least 3" (76mm)
in height.
Add:
I.16 Bobstay Strut, including Mounting Hardware |
English
|
Metric
|
|
Max
|
Min
|
Max
|
Min
|
a. Height (from bottom skin of fuselage) |
|
3
|
|
76.2
|
b. Length |
6
|
|
152.4
|
|
c. Width |
4
|
|
101.6
|
|
- Effective January 1, 2009
Add:
I.17 Mast Step Mounting Hardware |
English
|
Metric
|
|
Max
|
Min
|
Max
|
Min
|
a. Length |
9
|
|
228.6
|
|
b. Width |
3
|
|
76.2
|
|
- Effective January 1, 2009
Delete:
E.1.h Minimum allowed plate thickness must be reached within 10 mm or
3/8" measured from the normal tangents of the front side of the runners.
Add:
E.13 Minimum allowed steel thickness must be reached within 10 mm or
3/8" measured from the normal tangents of the front side of the runners
(does not apply to "angle" type runners).
- Effective January 1, 2009
Change:
E.9 ..."The leading edge of the runners may be sharpened to included
angle of not less than 75 degrees..."
To: ..."The bottom edge of runners may be sharpened
to an included angle of not less than 75 degrees..."
Full text of E.9:
Runner edge angle, camber (crown), and shape of ice contact line are
optional. The bottom edge of runners may be sharpened to an included
angle of not less than 75 degrees up to a point not exceeding 3/4" (19
mm) above the ice (measured with the runner in the normal sailing position).
The edge of the compulsory 5/8" (16 mm) minimum profile radius (see
E-3) may not be finished to an edge radius of less than 1/8" (3.2 mm).
The remaining portion of the leading edge may not be sharpened to an
edge radius of less than 1/16" (1.6 mm). All radii shall be faired to
the runner sides. It is not allowed to taper or thin the 1/4" (6.35
mm) thick steel plate runners below the minimum allowed thickness toward
the sharpened ice contact edge.
- Effective January 1, 2009
Move:
Specification E.12 to E.2.i
- Effective January 1, 2009
Add:
H.22 The components of the mast hound may affect the free orientation
of the mast by either forcing mast rotation or limiting mast rotation.
- Effective January 1, 2009
Add:
A.29 National letter and Sail number shall be affixed to each side of
the fuselage below the mast stepping point. Color shall contrast with
the fuselage and each letter and number shall be a minimum of 5.5 inches
(140 mm) high and 0.7874 inches (20 mm) wide.
|