2024 PHRF-NB Membership/Rating Certificate

This certificate expires on April 30, 2025, or upon change of ownership, whichever comes first.

Certificate status: Published

30 47
Spinnaker Non-Spinnaker
Administrative Data
Name:David Peabody Southwell
Address:Privacy Protected
Primary Phone:
Secondary Phone:
Yacht Club:New York Yacht Club
Yacht Name: AlchemySail Number: 12104
Designer: J Boats
Manufacturer: J BoatsModel: J-121
Hull Serial Number: UCF12104G718Date Manufactured: 2017
Other Ratings: NE-PHRF: 30 with no water ballast.Date Last Rated:
Boat Measurements
I: 51.41J: 15.3LOA: 40
P: 50E: 16.64LWL: 39.67
ISP: 55.75SPL: 7Draft: Max 8.04
Py: Ey:
Beam: 12.3Displacement: 12550
Rig Type: SloopRig: Fractional
Keel Weight: 4850Keel Material: Cast iron fin 3% antimony
Composite Rigging: noOther Ballast: NO
Mast Material: CarbonSpinnaker Type(s): Asymmetrical
Asymmetrical Spinnaker Tacked To: rsprit
Engine: InboardProp. Type: Folding
Prop. Install: Sail DriveRudder: Spade
# of Blades: 2Keel: Fin Keel
Headsails to be used (LP%)
Headsail 1105
Headsail 2100
Headsail 386
Headsail 455
Mainsail Measurements
Spinnakers to be used
Spin # JC SMG Foot Luff Leech
Spin 122.932.332.960.949.1
Spin 222.932.833.362.3649.6
Spin 32220.9327.8256.9552.42
Code 02320.427.25753.5
Headsail Credit: Roller Furling

2018 - -7 for water ballast. Roller Furling worked into base rating
2020- Remove water ballast
2021- Removal of water ballast -1
2022- No changes
2023-Added new asym listed in mod. Revised new adjust for new rudder -1 plus water ballast removal -1= -2.
2024-No changes.

Committee Use Only
PHRF #: 18301
Base Rating30 Non-Spin Adj.19
Genoa Spin Adj.0 Genoa Non-Spin Adj.0
Mainsail Adj.0 Furling Adj.0
Spin. Area Adj.2 Whisker Pole Adj.0
Prop. Adjustment0
Mast Adj.0 Misc. Adj.-2
Committee Signature Date
Katherine Rotsky 2024-06-03