Certificate
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2021 OD Template ORR-Ez Cert
Yacht Name:
Viper 640 Template
Class:
Viper 640
Sail Number:
Builder:
Viper Boats
Owner(s):
Sailor, Joe
Configuration:
One Design
Certifcate #:
EZ10499-OD
Issue Date:
2021-01-09
Valid Year:
2021
Offsets_file:
viper640_jt.off
Cert Group:
ORR-Ez
Rig Type:
Sloop
Forestay:
Fractional
Keel Type:
Fin with Bulb
Prop Type:
None
Prop Install:
-
Prop Blades:
-
Prop Diameter:
0.00 ft
Spinnaker:
Asymmetrical tacked centerline on bow, sprit or prod
Genoa/Jib Leech:
Has Roach or Hollow
Large Roach Headsail:
No
Jib Furler:
Yes Above Deck
Main Roller Furling:
No
LOA:
6.42 ft
LWL:
5.82 ft
Rated Length:
6.09 ft
Beam Max:
2.34 ft
Draft:
1.41 ft
Draft Shoal:
1.41 ft
Disp Empty:
334 lbs
Disp Sailing:
618 lbs
Crew:
252 lbs
Water Ballast:
0 lbs
Wetted Area:
8.0 ft²
LPS:
101.1 °
RM20:
9.5 ft·lbs
Stab Index:
70 °
Upwind SA/D:
33.65
D/Length:
76.2
Dnwind SA/D:
77.88
Rig Dimensions
IG:
6.61 ft
ISP:
7.33 ft
ILRH:
0.00 ft
J:
2.53 ft
JLRH:
0.00 ft
P:
7.81 ft
E:
3.05 ft
EY:
0.00 ft
PY:
0.00 ft
SPL:
4.36 ft
TPS:
4.36 ft
Jib/Genoa Meas.
LP:
2.20 ft
LPG %:
87.0 %
J Luff:
6.88 ft
J Leech:
0.00 ft
JH:
0.05 ft
JMGT:
0.39 ft
JMGU:
0.70 ft
JMGM:
1.27 ft
JMGL:
1.75 ft
Area:
8.3 ft²
Large Roach Headsail Meas.
HB:
0.00 ft
TW:
0.00 ft
UW:
0.00 ft
MW:
0.00 ft
LW:
0.00 ft
MG:
0.00 ft
Foot:
0.00 ft
LP:
0.00 ft
LUFF:
0.00 ft
Leech:
0.00 ft
Area:
0.0 ft²
Asymmetric Spin. Meas.
ASLU:
9.72 ft
ASLE:
7.60 ft
AMG:
5.50 ft
ASF:
5.63 ft
Area:
39.9 ft²
Symmetric Spin. Meas.
SL:
0.00 ft
SMW:
0.00 ft
SF:
0.00 ft
Area:
0.0 ft²
Mainsail Meas.
HB:
0.20 ft
MGT:
0.79 ft
MGU:
1.42 ft
MGM:
2.12 ft
MGL:
2.61 ft
Area:
15.7 ft²
Mizzen Meas.
HBY:
0.00 ft
MGTY:
0.00 ft
MGUY:
0.00 ft
MGMY:
0.00 ft
MGLY:
0.00 ft
Area:
0.0 ft²
Standard Ratings
TOT (Spin)TOT (Non-Spin)TOD (Spin)TOD (Non-Spin)
V.LightLightMediumHeavyV.LightLightMediumHeavyV.LightLightMediumHeavyV.LightLightMediumHeavy
RANDOM LEG
Closed CourseTOT (Spin)TOT (Non-Spin)TOD (Spin)TOD (Non-Spin)
W50/L50
W60/L40
Point to PointTOT (Spin)TOT (Non-Spin)TOD (Spin)TOD (Non-Spin)
MOSTLY WW
MOSTLY LW
Benchmark Ratings
TOT (Spin)TOT (Non-Spin)TOD (Spin)TOD (Non-Spin)
GPH
IR#
Custom Ratings
TOT (Spin)
Bayview MAC Shore
So Cal Offshore
So Cal Offshore Offwind
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