Will a P 18-2 Mainsail fit a P 18

I think the masts are the same height but I was not sure about over shape boom length an so forth. Anyone know for sure?

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Dustin Finlinson • Magna, UT
Member: Utah Sailing Association
1982 Prindle 18
1986 Hobie 17
1982 Prindle 16
1980 Prindle 16(mostly)
1976 Prindle 16(mostly)

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The Main and Jib sails for the P18 and P18-2 are the same.
This is according to the Prindle Class Rule Book last
updated in '99.