Hey Don welcome !
I bought a oday 30 this summer and nearby my boat was a 302 and it was downright beautiful! I've heard that the 30 and 302 are about the same . but seems to me the 30 has more beam. I found this information for you. hope this helps.
Years Built 1987-1988
LOA 29' 7 in
LWL 24' 2 in
Beam 10'
Draft 3' 11 in
Displacement 7200
Ballast 2400
Sail Area 374 actual
Mast Height 41' 4 in
Water Capacity 30 gal
Fuel Capacity 24 gal
Aux. Power 18hp Yanmar
Hull Speed 7 knots
I 36'
J 11' 3 in
P 30' 6 in
E 11' 3 in
Capsize Ratio
Disp. Length Ratio T
Keel Material Cast Lead
sounds like a nice boat!
Good luck!
Denise