As stabs are quite expensive, I decided to buy Gong Fast stab and modify it, to fit on my Sroka foil. So during long winter evening I remade the stab. Yesterday I tried it. It works well but now board's nose tends to dive down.
What could be wrong? I know that this stab does not generate much lift comparing with thick original Sroka stab.
I push too hard on front feet?
Foil is too far in the front?
Need to shim stab? Or some other suggestions?

Try shimming the stab by putting a washer under the rear bolt.

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radair said..
Try shimming the stab by putting a washer under the rear bolt.

Thank you for advice. I will try in the next session.