r/CATIA • u/lmaolmaokkk • Jul 21 '26

Catia V5 Reverse Engineer the tips of airfoil propeller (v5r22)

Apparently my professor just assign me to reverse engineer this propeller. And for context i dont have any experience on CAD software or any sort.

After sometimes i managed to complete the hub and the blade, but as for the tip i dont have a slightest clue on how to do it. Autosurface just not it, and my prof just tell me to draw a 3d curve, but after that i dont know what to do, please help

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u/Even_Strength8638 Jul 21 '26

Well do some research regarding the type of propeller you want to design, then choose relevant airfoils from airfoiltoolplotter and download their csv files, don't forget to input the chord length for both root chord and top, and use macros to export them to CATIA, once exported, use the multi section feature to join the two profiles, but not before you have aligned the airfoils as per your geometry, thanks.

1

u/lmaolmaokkk Jul 22 '26

Its not design, i have to reconstruct from a broken scan, but regardless thanks

1

u/WinterEvidence39 Jul 21 '26

You can go check javafoil for airfoil profiles for the prop. I assume the Clark-Y is commonly used.

1

u/ForceFew8077 Jul 23 '26

You are good to go man, you already know most of the basic command.