J120 front


J/92 Keel & Rudder Offsets

J/92 Keel Offsets
Section 1 2 3 4 5 6
CL 1180 1070 990 910 830 750
Below #1 0 313 543 773 1003 1233
LER 13.2 14.6 16.8 19.5 22.7 26.7
Section Half Widths (YC)
.0125 18.8 18.8 19.4 20.0 20.6 21.2
.025 25.9 25.9 26.8 27.7 28.6 29.5
.05 35.2 35.2 36.4 37.6 38.8 40.0
.075 41.7 41.7 43.1 44.5 45.9 47.3
.10 46.4 46.4 48.0 49.6 51.2 52.8
.15 53.0 53.0 54.8 56.6 58.4 60.2
.20 56.9 56.9 58.8 60.7 62.6 64.5
.25 58.9 58.9 60.9 62.9 64.9 66.3
.30 59.5 59.5 61.5 63.5 65.5 67.5
.40 57.6 57.6 59.5 61.4 63.3 65.2
.50 52.5 52.5 54.3 56.1 57.9 59.7
.60 45.2 45.2 46.7 48.2 49.7 51.2
.70 36.3 36.3 37.5 38.7 39.9 41.1
.80 26.0 26.0 26.9 27.8 28.7 29.5
.90 14.4 14.4 14.8 15.2 15.6 16.0
1.00 1.0 1.0 1.0 1.0 1.0 1.0
Notes:
1. Leading & trailing edges are straight.
2. To locate sections, measure vertically down trailing edge at hull. Sections are located on a plane at 83.75 degrees from the trailing edge angle.
3. All section are parallel.

J/92 Keel Offsets
Section 1 2 3 4
Chord Length 450 450 400 320
Location Below # 0 317 891 1165
Leading Edge Ra 12.0 12.0 10.7 8.5
Xc Station Section Half Widths (Yc)
.0125 11.0 11.0 9.6 7.7
.025 15.2 15.2 13.2 10.6
.05 20.7 20.7 18.0 14.4
.075 24.5 24.5 21.3 17.0
.10 27.3 27.3 23.7 19.0
.15 31.2 31.2 27.1 21.7
.20 33.5 33.5 29.0 23.2
.25 34.7 34.7 30.0 24.0
.30 35.0 35.0 30.4 24.3
.40 33.9 33.9 29.4 23.5
.50 30.9 30.9 26.8 21.4
.60 26.6 26.6 23.1 18.5
.70 21.4 21.4 18.5 14.8
.80 15.3 15.3 13.3 10.6
.90 8.4 8.4 7.3 5.9
1.00 1.0 1.0 1.0 1.0
Notes:
1. Section #1 height is at top ot trailing edge. Thus, section 1 is a projected section above the rudder.
2. To locate sections, measure vertically down trailing edge of rudder at hull. Sections are parallel to bottom of rudder (section 4).