How to calculate Kaplan Tubine blades profile?

I understand how to make the blade with loft function with some known profiles. But I have problems with the profile. I have no commercial program at hand to make a blade. Can anyone please advise me how to calculate profile geometry?I've tried to look in books,but found only partial calculations (for main blade profile dimensions).I think it should be about 3-4 sections to loft..Or may be there is any freeware software for kaplan blades calculation?

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2 Answers

well come on...that simple! all you go to is calculate the geometry using the formula A^2+B^2=C^2

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Do you seriously not know this...? Its so simple a drunken baby can do it. all you do is use this formula!

E= MC^2

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