Spinnakers for Irwin

You will find below a list of most Irwin boats, and their respective spinnaker size in our store. Please note that these sizes are indicated for no sock /  no sleeve use.

Sail with a sock ? Modified boat? Unsure? Double check? No problem. Contact us for a personalized consultation and to get a quote.

Click on size to check detailed dimensions
Boat Model	Size	Asym Sqft	Sym Sqft	I (ft)	J (ft)
IRWIN 1/2 SLOOP	Size 5	689 sq ft	785 sq ft	39.27	12.01
IRWIN 10-4 SLOOP	Size 4	613 sq ft	699 sq ft	35.8	12.04
IRWIN 21 FRAC SLOOP	size 00	291 sq ft	na	26.28	7.97
IRWIN 23	Size 0	334 sq ft	na	28.5	9.5
IRWIN 24	Size 1	398 sq ft	484 sq ft	29	9.1
IRWIN 25 FK	Size 2	463 sq ft	549 sq ft	31.3	10
IRWIN 27	Size 3	538 sq ft	624 sq ft	34	10.5
IRWIN 28 Mk 1	Size 4	613 sq ft	699 sq ft	35.5	11.5
IRWIN 28 Mk 2	Size 4	613 sq ft	699 sq ft	36.5	11.5
IRWIN 28 Mk 3	Size 4	613 sq ft	699 sq ft	37	11.6
IRWIN 28 SLOOP	Size 5	689 sq ft	785 sq ft	37.34	11.84
IRWIN 28-3/4	Size 4	613 sq ft	699 sq ft	37	12
IRWIN 2T SLOOP	Size 12	1582 sq ft	1743 sq ft	57.32	15.65
IRWIN 3/4 SLOOP	Size 7	893 sq ft	990 sq ft	44	14.01
IRWIN 3/4 TON	Size 7	893 sq ft	990 sq ft	43.8	14
IRWIN 30	Size 6	807 sq ft	882 sq ft	41.7	13.5
IRWIN 30 CITATION	Size 7	893 sq ft	990 sq ft	42	13
IRWIN 30 COMPETITION	Size 6	807 sq ft	882 sq ft	41.7	13.5
IRWIN 30C SLOOP	Size 7	893 sq ft	990 sq ft	41.77	13.45
IRWIN 31	Size 4	613 sq ft	699 sq ft	37	12.1
IRWIN 31 CITATION	Size 6	807 sq ft	882 sq ft	42	12.01
IRWIN 31 SLOOP	Size 5	689 sq ft	785 sq ft	37.9	12.24
IRWIN 31 TM	Size 5	689 sq ft	785 sq ft	39	12.1
IRWIN 32	Size 6	807 sq ft	882 sq ft	39.5	13
IRWIN 32 CITATION	Size 7	893 sq ft	990 sq ft	43	13.2
IRWIN 32 SLOOP	Size 6	807 sq ft	882 sq ft	40.55	12.99
IRWIN 32.5	Size 5	689 sq ft	785 sq ft	39	13
IRWIN 32.5 KETCH	Size 5	689 sq ft	785 sq ft	39	13
IRWIN 33 COMP	Size 7	893 sq ft	990 sq ft	42	14
IRWIN 33 Mk 1	Size 7	893 sq ft	990 sq ft	44	14
IRWIN 33 Mk 2	Size 7	893 sq ft	990 sq ft	42	14
IRWIN 33 SLOOP	Size 7	893 sq ft	990 sq ft	42.49	13.91
IRWIN 33 TALL SLOOP	Size 8	1011 sq ft	1108 sq ft	44.36	14.01
IRWIN 33-1 SD	Size 7	893 sq ft	990 sq ft	44	14
IRWIN 33-2 SD	Size 7	893 sq ft	990 sq ft	42	14
IRWIN 33.9 (3/4 Ton)	Size 7	893 sq ft	990 sq ft	43.8	14
IRWIN 34	Size 7	893 sq ft	990 sq ft	42.78	13.75
IRWIN 34 (104)	Size 4	613 sq ft	699 sq ft	35	12
IRWIN 34 (3/4Ton)	Size 7	893 sq ft	990 sq ft	43.5	14
IRWIN 34 CITATION	Size 7	893 sq ft	990 sq ft	42	13.8
IRWIN 35 CITATION	Size 8	1011 sq ft	1108 sq ft	46	14.2
IRWIN 37 KETCH	Size 7	893 sq ft	990 sq ft	42	17.5
IRWIN 37 Mk 1	Size 7	893 sq ft	990 sq ft	42	14.3
IRWIN 37 Mk 3	Size 7	893 sq ft	990 sq ft	42	17.5
IRWIN 37 ONE TON	Size 9	1141 sq ft	1248 sq ft	48	15.67
IRWIN 37 ONE TON	Size 9	1141 sq ft	1248 sq ft	48	15.7
IRWIN 37 SLOOP	Size 9	1141 sq ft	1248 sq ft	49.54	15.75
IRWIN 37 TR	Size 9	1141 sq ft	1248 sq ft	48	15.7
IRWIN 37-1 SD	Size 7	893 sq ft	990 sq ft	42	14.3
IRWIN 37-1ITA	Size 7	893 sq ft	990 sq ft	42	14.3
IRWIN 37-2 CB	Size 7	893 sq ft	990 sq ft	42	17.5
IRWIN 37-4/5	Size 7	893 sq ft	990 sq ft	42	17.5
IRWIN 37C SLOOP	Size 9	1141 sq ft	1248 sq ft	49.25	15.52
IRWIN 38	Size 8	1011 sq ft	1108 sq ft	45.3	15
IRWIN 38 CITATION	Size 9	1141 sq ft	1248 sq ft	49	15
IRWIN 38 Mk 1	Size 8	1011 sq ft	1108 sq ft	45.5	15
IRWIN 38 Mk 2	Size 10	1270 sq ft	1399 sq ft	49.3	17.8
IRWIN 38 MOD C	Size 8	1011 sq ft	1108 sq ft	45	14.9
IRWIN 38 SLOOP	Size 8	1011 sq ft	1108 sq ft	45.74	14.99
IRWIN 38C SLOOP	Size 10	1270 sq ft	1399 sq ft	52.17	15.36
IRWIN 39 CITATION	Size 10	1270 sq ft	1399 sq ft	52	16.5
IRWIN 40	Size 10	1270 sq ft	1399 sq ft	50	16.5
IRWIN 40 CITATION	Size 10	1270 sq ft	1399 sq ft	50	16.5
IRWIN 40 CITATION/-2	Size 10	1270 sq ft	1399 sq ft	50	16.5
IRWIN 40 SLOOP	Size 10	1270 sq ft	1399 sq ft	50.46	16.73
IRWIN 41	Size 10	1270 sq ft	1399 sq ft	50.5	19
IRWIN 41 CITATION	Size 11	1431 sq ft	1560 sq ft	54.79	17
IRWIN 41 SLOOP	Size 11	1431 sq ft	1560 sq ft	55.19	16.86
IRWIN 42	Size 10	1270 sq ft	1399 sq ft	50	19
IRWIN 42 KETCH	Size 10	1270 sq ft	1399 sq ft	50	18.93
IRWIN 42 SLOOP	Size 12	1582 sq ft	1743 sq ft	56.43	16.31
IRWIN 43	Size 10	1270 sq ft	1399 sq ft	51	17.5
IRWIN 43 TR	Size 11	1431 sq ft	1560 sq ft	53.8	19.5
IRWIN 43-2 WK	Size 11	1431 sq ft	1560 sq ft	53.8	19.3
IRWIN 44	Size 10	1270 sq ft	1399 sq ft	50	19.5
IRWIN 45	Size 11	1431 sq ft	1560 sq ft	53	17.8
IRWIN 45 SLOOP	Size 11	1431 sq ft	1560 sq ft	54.07	17.65
IRWIN 46	Size 11	1431 sq ft	1560 sq ft	53	19.6
IRWIN 46 KETCH	Size 11	1431 sq ft	1560 sq ft	53.41	19.59
IRWIN 46 KETCH SR	Size 8	1011 sq ft	1108 sq ft	42.5	19.5
IRWIN 52	Size 13	1775 sq ft	1958 sq ft	59.3	22.2
IRWIN 52 52-31 SR	Size 12	1582 sq ft	1743 sq ft	56.3	22.2
IRWIN 52 KETCH	Size 14	1969 sq ft	2141 sq ft	60.8	21.92
IRWIN 52 Mk 2	Size 14	1969 sq ft	2141 sq ft	61.5	21.2
IRWIN 52 Mk 2 CB	Size 12	1582 sq ft	1743 sq ft	56.3	22.2
IRWIN 52 Mk 2 KETCH	Size 13	1775 sq ft	1958 sq ft	61.5	14
IRWIN 52 Mk 3 KETCH	Size 14	1969 sq ft	2141 sq ft	61.6	21.2
IRWIN 52 TALL KETCH	Size 14	1969 sq ft	2141 sq ft	62.67	21.16
IRWIN 52 TR	Size 15	2195 sq ft	2367 sq ft	64.8	22.2
IRWIN 52-2 CB	Size 12	1582 sq ft	1743 sq ft	56.3	22.2
IRWIN 52-3 SD	Size 14	1969 sq ft	2141 sq ft	61.5	21.2
IRWIN 52-4 SD	Size 16	2399 sq ft	2593 sq ft	66.8	25
IRWIN 54	Size 12	1582 sq ft	1743 sq ft	56.5	21.2
IRWIN 54 SLOOP	Size 16	2399 sq ft	2593 sq ft	68.38	24.9
IRWIN 54 TR	Size 16	2399 sq ft	2593 sq ft	69.8	24.3
IRWIN 65	Size 18	2851 sq ft	3099 sq ft	75.5	26.5
IRWIN CITATION 31	Size 7	893 sq ft	990 sq ft	42.03	13.03
IRWIN MT FRAC SLOOP	Size 0	334 sq ft	na	27.89	8.4