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DOLPHIN 25 (HELMS)
Dolphin 25 (Helms) drawing on sailboatdata.com

Hull Type:  Keel/Cbrd. Rig Type:  Masthead Sloop
LOA:  24.85' / 7.57m LWL:  21.67' / 6.61m
Beam:  7.95' / 2.42m Listed SA:  260 ft2 / 24.15 m2
Draft (max.)  5.00' / 1.52m Draft (min.)  1.67' / 0.51m
Displacement:  3950 lbs./ 1792 kgs. Ballast:  300 lbs. / 136 kgs.
Sail Area/Disp.1:  16.69 Bal./Disp.:  7.59% Disp./Len.:  173.29
Designer:  Jack A. Helms
Builder:  Jack A. Helms Co. (USA)
Construction:  FG Bal. type:  
First Built:  1968 Last Built:   # Built:  
RIG AND SAIL PARTICULARS  KEY
I(IG):  30.50' / 9.30m J:  10.50' / 3.20m
P:  25.50' / 7.77m E:  9.00' / 2.74m
PY:   EY:  
ISP:   SPL/TPS:  
SA(Fore.):  160.13 ft2 / 14.88 m2 SA(Main):  114.75 ft2 / 10.66 m2
Sail Area (100% fore+main triangles):   274.88 ft2 / 25.54 m2
Sail Area/Disp.2:  17.65 Est. Forestay Length.:  32.26' / 9.83m
BUILDERS (past & present)
More about & boats built by:   Helms - Jack A. Helms Co.
More about & boats built by:   Advance Sailboat Corp. (USA)
NOTES
Said to have been first built by Advance Sailboat Corp.?
Very similar to what later became the HELMS 25.
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