Certificate
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2018 New Certificate
Yacht Name:
Jumpin Jack Flash
Class:
Davidson 50
Sail Number:
69350
Year Built:
Builder:
DONS BOAT SHOP
Configuration:
Certificate #:
EZ10430
Issue Date:
2018-07-17
Valid Year:
2018
Offsets_file:
US17974.OFF
Cert Group:
ORR-Ez MBSA
Rig Type:
Sloop
Forestay:
Fractional
Keel Type:
Fin
Prop Type:
Folding
Prop Install:
Exposed
Prop Blades:
2
Spinnaker:
Symmetrical flown with spinnaker pole
Large Roach Headsail:
No
Jib Furler:
Yes
LOA:
15.30 ft
LWL:
13.51 ft
Rated Length:
13.51 ft
Beam Max:
4.11 ft
Draft:
2.46 ft
Draft Shoal:
2.46 ft
Disp Empty:
8,134 lbs
Disp Sailing:
9,525 lbs
Crew:
1,051 lbs
Water Ballast:
0 lbs
Wetted Area:
39.8 ft²
LPS:
107.3 °
RM20:
207.2 ft·lbs
Stab Index:
110 °
Upwind SA/D:
28.83
D/Length:
107.6
Dnwind SA/D:
50.30
Rig Dimensions
IG:
16.82 ft
ISP:
19.02 ft
ILRH:
0.00 ft
J:
4.92 ft
JLRH:
0.00 ft
P:
17.42 ft
E:
6.45 ft
EY:
0.00 ft
PY:
0.00 ft
SPL:
5.62 ft
TPS:
0.00 ft
Jib/Genoa Meas.
LP:
0.00 ft
LPG %:
0.0 %
J Luff:
0.00 ft
Area:
64.1 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:
0.00 ft
ASLE:
0.00 ft
AMG:
0.00 ft
ASF:
0.00 ft
Area:
0.0 ft²
Symmetric Spin. Meas.
SL:
18.81 ft
SMW:
10.15 ft
SF:
10.12 ft
Area:
159.0 ft²
Mainsail Meas.
HB:
0.00 ft
MGT:
0.00 ft
MGU:
0.00 ft
MGM:
0.00 ft
MGL:
0.00 ft
Area:
63.3 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)
 
GPH
0.994
 
539
 
 
IR#
0.997
0.961
539.2
559.3
Mass Bay Custom Ratings
 
TOT (Spin)
 
 
 
 
TOT (Non Spin)
 
 
Light
Medium
Heavy
 
 
Light
Medium
Heavy
WL
0.9590
0.9930
1.0020
 
WL
0.8920
0.9580
0.9900
RL
0.9810
1.0040
1.0010
 
RL
0.9190
0.9600
0.9750
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