more lift

[1viktor]

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Hi

Is there anyone that could help me with calculations and ideas about how to get better lift
In the stern of my boat, did build a new swim platform for the boat so it got a little heavy
Did also build a box under swim platform for lift, but it doesn’t lift stern enough .
So would need someone with knowledge of construction and calculation to help
me with this! It’s a 50 ft Sea Ray

[sealioncro]

some pics of your platform can help us for make some plans or advice for you.
what for intended you this lift? i have some experiance with lift for invalid chair, and with lift for jet ski