Portsmouth Yardstick Handicapping Table

The Portsmouth Yardstick is a handicapping method that povides a correction so boats of differing inherent speeds can race evenly
.  The formula is CT = (ET * 100)/HR.
where CT is corrected time, ET is elapsed time, and HR is handicap rating
Ctrbd Classes	NAPY	D-PN	Wind HC For Handicap Range Beaufort Scale
	Code		0-1	2-3	4	5-9
14    (Int.)	14	85.3	86.9	85.4	84.2	84.1
29er	29	84.5	-85.8	84.7	83.9	-78.9
405   (Int.)	405	89.9		-89.2
420   (Int. or Club)	420	97.6	103.4	100	95	90.8
470   (Int.)	470	86.3	91.4	88.4	85	82.1
49er  (Int.)	49	68.2		69.6
505   (Int.)	505	79.8	82.1	80.9	79.6	78
A Scow	A-SC	61.3	[63.2]	62	[56.0]
Akroyd	AKR	99.3	-97.7	99.4	[102.8]
Albacore (15')	ALBA	90.3	94.5	92.5	88.7	85.8
Alpha	ALPH	110.4	-105.5	110.3	110.3
Alpha One	ALPHO	89.5	90.3	90	[90.5]
Alpha Pro	ALPRO	-97.3		-98.3
American 14.6	AM-146	96.1		96.5
American 16	AM-16	103.6	-110.2	105
American 18	AM-18	[102.0]
Apollo C/B (15'9")	APOL	92.4	96.6	94.4	-90	-89.1
Aqua Finn	AQFN	106.3		106.4
Arrow 15	ARO15	-96.7		-96.4
B14	B14	-81		-83.9
Bandit (Canadian)	BNDT	98.2		-100.2
Bandit 15	BND15	97.9	100.7	98.8	96.7	[96.7]
Bandit 17	BND17	-97	[101.6]	-99.5
Banshee	BNSH	93.7	95.9	94.5	92.5	[90.6]
Barnegat 17	BG-17	100.3		100.9
Barnegat Bay Sneakbox	B16F	110.6		110.5	[107.4]
Barracuda	BAR	-102		-100
Beetle Cat (12'4", Cat Rig)	BEE-C	120.6	-121.7	119.5	118.8
Blue Jay	BJ	108.6	110.1	109.5	107.2	-106.7
Bombardier 4.8	BOM4.8	94.9	[97.1]	96.1
Bonito	BNTO	122.3	-128.5	-122.5
Boss w/spi	BOS	74.5		75.1
Buccaneer 18' spi (SWN18)	BCN	86.9	89.2	87	86.3	85.4
Butterfly	BUT	108.3	110.1	109.4	106.9	106.7
Buzz	BUZ	80.5		81.4
Byte	BYTE	97.4	97.7	97.4	96.3	[95.3]
Byte CII	BYTE2	-91.4	[91.7]	[91.6]	[90.4]	[89.6]
C Scow	C-SC	79.1	81.4	80.1	78.1	77.6
Canoe (Int.)	I-CAN	79.1	[81.6]	79.4	-79
Canoe 4 Mtr	4-CAN	121		121.6
Canoe 4 Mtr (ACA Cl.)	4-CAN2	-118.4		-120.2
Canoe 5 Mtr	5-CAN	110.6	-109	111.9
Capri (see Catalina)
Caprice	CPR	102.4	[103.1]	103.7
Catalina 13 (Capri)	CAT13	92.1	94	92.5	-90.4
Catalina 14.2 (Capri)	CAT142	99.4	100.1	99.7	99.2
Catalina 14.2 Keel (Capri	CAT142K	-100.5
Catalina 16.5 (Capri) no spi	CAT165	96.3	97.1	95.9	94.9
Catalina Expo 12.5	CAT125	-102		-101
Celebrity w/Genoa	CEL	90.2	93.8	90.4	89	[87.6]
Challenger 15	CHL15	91.7		93.6
CL 14	CL14	101.2	103.3	101.7	100.3	94.4
CL 16	CL16	95.7	98	96.8	95.1	93.6
C-Lark	C-LK	96.7	96.8	96.9	96.6	96
Club Junior	CFJ	102.5	-105.5	-103
Code 40	COD40	93.5		-94
Comet	CM	91.7	95.2	92.1	89.7	88.7
Contender  (Int.)	CND	90.1	95.9	91	82
Coronado 15	COR15	91.9	92.7	92.6	91.5	90.4
Cyclone 13	CLN13	101	102	100.5	-100.3
Cyclone 13 (SA=74)	CLN132	96.9	-98.7	97.2	-95.6
D Scow	D-SC	82.7		81.4	[82.0]
Dabchick	DABCK	122.5	128.6	123.4
Dagger	DGER	94.9	97.2	94.7	-91.3
Day Sailer (O'Day 17)	DS	98.5	101.3	98.5	96.9	96.3
Defender (O'Day)	DFD	99.5	-100	-99.6	-93.3
Demon	DM	95.4	92.2	95.9	95.8	-95.8
Dolphin 17	DLP17	97.5	-98.1	97.8	96.9
Dolphin Sr	DLPSR	105.5	111.7	108.6	101	97.3
Dover Dory 16	DOD16	-105.1		-106.7
DS-16	DS-16	117.1	-120.7	118.5	-106.8
Duster	DUS	98.2	98.7	98.8	-97.8
Dyer Dink DT (10') Rhodes	DDT10	-110		-112
E Scow	E-SC	72.6	77.6	75.3	70.8	69.3
El Toro	ELTO	126.6	127.5	127.6	128
Enterprise  (Int.)	ENT	92.6	93.4	93.3	92.2	91.6
Europe Dinghy  (Int.)	EUR	92.8	94	93	-91.5
Evans 16	EVN16	-98.4		-97.9
Explorer 15	EXP	108	-111.8	107.1	[104.8]
Falcon 14	FAL14	105.3	-109.4	106.3	-101.2
Finn  (Int.)	FN	90.1	93.2	91.8	89.1	87.1
Fireball  (Int.)	FB	85.6	87.9	87.1	85.4	82.4
FJ  (Int.)	FJ	97.9	100.9	99.3	98.2	-95.8
Flying Dutchman (Int.)	FD	80.1	82.6	81.5	78.4	75.9
Flying Fish	FFSH	99.4	102.6	98.7	-98.9
Flying Scot (19')	FSCT	89.6	92.1	90.4	89.1	87.5
Flying Tern	FT	108.6	111	109.3	-102.1	-102
Force 5	F5	95.4	98.1	96.6	95.3	93.4
Ford 20 (Day Sailer)	FRD20	100.7		100.5	[98.0]
Formula S	FORMS	98.6	[95.0]	98.6
Frontrunner	FRUN	87	91.1	87.6	85.7
Fusion 15	FUS15	90.7	[93.2]	90.8	[90.0]	[88.3]
Gannet	GN	-99.2		-100.1
Geary 18	GRY18	92.2	95.7	94	89.6	-89.4
Gemini 16'	GEM	99.1	-101	99.4	-99.1
Ghost 13 (SA=105)	GHO13	104.6	105.9	105.7	103
GP14	GP14	100.9	103	101.7	99.8	-99.4
Gull	GUL	119.5		-120.6
Hampton One Design	HA	91.9	94.2	92.2	-88.2	-87.9
Harpoon 4.6	HPN4.6	102	103.6	101.5	96.5
Harpoon 5.2	HPN5.2	96	99.4	96.7	94.3	-93.1
Hartley 14	HRT14	-97.3		-98.1
Highlander	HI	84.3	87.8	86.3	82.7	80.5
Hobie One-12                      See:	HLR12
Hobie One-14                      See:	HLR14
Hobie One-9                        See:	HLRHK
Holder 12 (H1-12)	HLR12	105.5	105.2	105.6	97.5
Holder 14 (H1-14)	HLR14	111	113.3	111.7	-108.4
Holder Hawk (H1-9)	HLRHK	120.5	-114.5	121.4	-120.8
Holiday 19	HLD19	103.2	108.3	103.3	-100.3	[100.3]
Holiday Jr	HLDJR	111.1	-114.1	112	-104
Hunter 140  (JY14)	HTR140	[99.0]
Hunter 170 no spi	HTR170	92.7		92.6
Inland 20 Scow	I20-SC	83.4	[88.5]	-85	[81.4]	[80.4]
Interlake	INT	89.1	92.3	90.1	89.2	87.1
Invitation	INVT	99.4	101.5	100.2	98	-96.5
Islands 17	ISD17	98.4	-101	100.5	[97.9]
Javelin	JAV	111.3	111.2	111.5	110.4	-109.8
Jester 12	JES12	-115		-116.5
Jester 16	JES16	102.2		102.3
Jester 8	JES8	125.6		126.1	-123
Jet 14	JT14	97.2	97.5	98.2	96.6	-94.6
Jetwind	JTWN	109.2	-112.5	110.2	102.5
Johnson 18 spi	JHN18	86.4	-87	86.5	-80.1
Jollyboat	JB	86.8	-92	86.1
JY 15	JY15	91.9	92.5	92.4	91.9
JY Xcite Trainer 9'11"	JY-T	-135
Kenn 11	KN11	111.1	-108.7	-112
Kestrel	KL	91.6	90.8	91.9	91.7	91.5
Koralle 15	KRL15	112		-113
Koralle Jr	KRL12	-120.3	-123	[120.2]
Korsar	KO	87	[89.0]	86.5	[85.0]	85
Lark (13'4")	LRK	-93.6		-93.8
Lark 10	LRK10	125.4		-130	-135.3
Laser   (Int.)	LASE	91.1	93.7	92.3	91	88.2
Laser 2000	LAS2000	92.5		91.1
Laser 4.7 (Int.)	LAS4.7	95.4	-96.1	95.2	-94.9
Laser 4000	LAS4000	80.7		80.8
Laser II (Int., w/Trap & Spi)	LASE2	92.8	95.6	94.6	93.6	88.8
Laser Radial/Laser M	LASEM	96.7	99.4	97.3	93.6
Laser Stratos no trap	LASST	87.3		87.4
Laser Vortex	LASVT	86.8		87.2
Lazy E	LZE	91.7		92.7	-88.9
Lido 14	LD14	98.9	99.7	99.1	98.5	98.2
Lightning (Int.)	LI	87	92.6	87.6	85.4	83.9
Lone Star 13	LS13	109.5	[106.3]	108.4
Lone Star 16 (SA=145)	LS16	116.1	-116	117.4	-116.2
Lone Star 16 (SA=165)	LS162	110.6	-108.9	-114.4
M Scow (M-16 Scow)	M-SC	89.3	94.2	90.6	88.1	87.4
M-20 Scow	M-20	83.5	88.6	85.2	81.5	80.5
Mac Dinghy	MACD	121.2		121.3
Mach II	MACH	-110	-112	[110.6]	[108.3]
Man O'War	MWR	99.4	100.9	98.9	98.3
Mariner 17	17-Mar	105		105.3	-100
Marlin 14	MRL14	-103.3		-103.1	-102
Marshall Cat 15                    See:	SNDPR
Mayflower	MAY	123.6	-125.4	126.3	-115.3
MC Scow	MC-SC	87.8	89.5	87.4	87.2	86.5
Megabyte	MBYT	90.8	93.7	92.8	91.2	-90
Melonseed Skiff	MSED	[110.0]
Merrimac	MERI	-108.9		-106.6
Meteor	MET	-116	-120	[115.0]
Microtoner (Brazil)	MTON	-88		-88.2
Minifish (Alcort)	MFSH	113.4	116.2	115.5	[112.0]	-109.1
Mirror 16	MRR16	95.8		97
Mirror Dinghy (10'10")	MRRDY	113.1	-114	113	112.5	-110.6
Missile	MI	98.1	-97.8	98
Mobjack	MJ	91.3	96.5	92.4	88	-86.5
Monk	MONK	[100.0]
Montgomery 15	MON15	108.2		-111.7
Moth	MO	107.1	-108.4	107.2	-102
Mustang 17	MUS17	102.9	-104.3	103.1
Musto Skiff	MUST	[80.0]
Mutineer 15' (SWN15)	MUTR	96	98.1	96.1	95.4	-95
MX Ray	MXRAY	-90.5		-90.7
Narrasketuck	NRS	-89.7
National 10	N-10	-123.5		-123.3
National 12	N-12	98		97.4
National One Design	N1D	96.3	97.5	96.5	95.8	-93.3
Neptune 14	NEP14	107.4		108.2	-103.3
Nomad spi  (Vanguard)	NMD17	-93.5
O'Day 12	ODY12	117.3		-117.1	[107.8]
O'Day 15	ODY15	95.8	98.1	97.8	93.8	[91.4]
OK Dinghy  (Int.)	OK	96.5	97.1	96.9	96.6	96.1
Omega (14')	OMG	110.6	112.3	110.4	108.1
Optimist Pram  (Int.)	OP	123.6		124
Ospray (O'Day)	OSPRA	105.7	-108.2	106.5	-102.8
Osprey Mk 1&2	OS-1	85		85
Osprey Mk 2&3	OS-3	84.8	87.2	84.8	84
Overnighter (Tanzer)	OVN16	102.5	103	-102.3
Paceship 17	PSC17	107.4	-109.3	-108.2	[105.5]
Penguin	PG	111.5	112.9	112.8	110.3
Petrel	PET	115.6	117	116.6
Phantom (Lateen Rig)	PHNTM	103.5	108.5	104.5	101.2	-99.1
Pintail	PINT	105	113.9	107.3	-100	-96.5
Pirateer	PIRAT	102.9	-104.9	102.9	-101.5
Porpoise 12	PRP12	114.6		116.8
Precision 14	PRS14	103.5	-102.4	-103	-98.8
Precision 15	PRS15	96.6		-96.2
Precision 16	PRS16	100.1	-101.8	101.5	[95.0]
Precision 18.5 no spi	PRS185	90.2	-91.5	[90.2]	-88
Puffer	PUF	110.4	108.7	111.8	108.8	-106.8
Raider 16	RDR16	91.4	92	91.2
Ranger 16	RNG16	-111.2		-108.8
Rascal	RSCL	108.9	[113.0]	109.5	[103.4]
Rebel	REB	96.9	96.2	96.1	96	96
Rhodes Bantam	RB	97.4	101	98.1	96	94.8
RS 200 Slp spi	RS200	88.3		88.8
RS 400 Slp spi	RS400	82.3		82.4
RS 600	RS600	76.2	-77.4	76.8
RS 700      spi	RS700	73.3		73.9
RS 800 Slp spi	RS800	77		77.5
RS Feva	RSFEV	-105.2		-105.8
RS Vareo   spi	RSVAR	92.7		92.7
Sabot Naples	SBT-N	136.4		136.7
Sabot U.S.	SBT	-119.6		-121.8
Sailfish	SAF	118.4	119.8	118.5	-114.1
Sandpiper 15 (Marshall)	SNDPR	112.7	-116.6	114.3	-109.1
Scorpion	SCOR	112.1	112.6	111
Sea Pearl 21 (Cat Ketch)	SPL21K	-96.6		-97
Sea Snark (Snark)	SNAR	129.1	134.1	130.8	-125
Sea Witch (Sunchaser II)	SWCH	112.2	111.3	114.5
Seabird	SBD	-117.1		-117
Sidewinder (Sloop)	SWND	98.9	102.1	100.6	96.7	-94.3
Sirocco 15	SRC15	97.2	-96.6	-97.5		-96.5
Skidley	SKID	91.3	-90.4	-91.7	-90
Skipjack	SJ	93.1	94.4	94	90.8
Skylark	SL	116.4	-117.6	116.3	-107.8
Snipe  (Int.)	SN	91.9	94.8	92.5	91.4	89
Solar Sailer 13' Expo	SOS13	-122.7		-122.3
Spanker (Brazil)	SPKR	[97.0]
Spindrift 13'4"	SPN13	104.5	-104.9	104.6	[102.5]
Spindrift 15	SPN15	100.5	-105.9	-100.6
Spree	SPR	93	92.8	93.8	-92.4
SR 17	SR-17	-83.1
Starcraft	STC	117.6		-119.7
Stardancer 14	STD14	110.3	-112	110.5	-106.3
Starfish	STFS	103.4	107	105.6	100.7	-98.7
Starwind 15                           See:	MUTR
Starwind 18                           See:	BCN
Suicide (Develop.Class)	SUI	80.7	84	81.5	-76	[75.4]
Sun Cat (Cat Rig)	SUNC	-102.8		-103
Sunbird	SBRD	114	-114.5	115
Sunfish (Int.)	SF	99.6	103	100.4	97.8	95.8
Sunflower	SUNF	131.7	-139.3	130.4	127.6	[125.1]
Super Porpoise 14	SPOR	107.4		109.1	100.6	[99.6]
Super Sunfish	SSF	100.7	102.4	102.3	99.3	-95.8
Surfwind	SURF	107.7	-110.6	111.2	-103.7	[102.4]
Surprise	SURP	99.8	101.8	99.7	[95.0]	-94.8
Sweet 16	SWSX	96.2	99.4	95.9	94.7	94.3
Tanzer 14	TNZ14	111.4		112.5	-106.1	[104.0]
Tanzer 16 w/Gen	TNZ16	97.1	97	97.2	96.4	[95.7]
Tasar	TASA	88.2	93.6	89.9	85.6	-84.5
Thistle	TH	83	83	83	83	83
Tornado C/B	TOCB	90.9	91.9	91.8	91	-89.7
Town Class	TWN	97.3	[98.6]	98.3	-95.3
United States Monotype	USMO	98.5		-98.7
Upstart	UP	100.5	-102.7	100.7	99.7	[99.7]
US-1	US-1	91.5	90.6	91.3	92.3	91.9
Vagabond 17 (and HLR17)	VAG17	[100.0]
Vanguard 15	VGD15	90.5	92.6	91.2	86.1
Vector	VECT	101.9	-103.2	102	-93.5
Viper	VIP	94.5	-95.6	94.7	-92.6
Wayfarer	WF	91.6	94	91.7	90.5	89.5
Weesort	WS	124.7		-125.3	-122.9
West Wight Potter 15	WWP15	138.1		139.1	-137.5
Westlake 14	WL14	105.6		-105
Whip	WHIP	93.2	-93.3	93.1	-91
Whirlwind	WHWN	115		-115.2
Whitecap 18' (L-N)	WHCAP	100.5		-100.9
Widgeon	WDG	122.6	126	121.8	-118.4
Wildflower	WILF	123.2	117.5	124.7	-126.9
Windflight	WINF	108.3	-106.7	-108.6
Windjammer	WINJ	110.1	113	109.3
Windmill	WM	89.5	92.9	91.4	88.3	86.2
Wing Dinghy	WD	92		-92.5
Wizz 14	WIZ	-92.4		-93.8
Woodpussy	WP	103		104.9	-99.3
X-14 (Italy)	X-14	[95.1]
X-Boat	X-B	97.7		98	-96.5
Y-Boat	Y-B	-91		-91.1
Y-Flyer	YF	86.7	89.5	87.9	86.4	83.4
Zef 12	ZEF12	117.2	[122.0]	117.5	[113.1]
Zenith	ZEN	91.4	[93.0]	-92	[87.9]
Zuma	ZUM	103.2	-104.3	103.7	-100.3