‪@MattLowne‬ I took inspiration from your float SSTO and made a hydrofoil SSTO that I believe is a little more reliable. This SSTO uses its wings as hydrofoils while in the water, which means it doesn't need extra mass for floats or extra lift for additional hydrofoils.

Craft file: https://kerbalx.com/Ruffles_Kerman/Am...

Music:
Iron Bacon by Kevin Macleod
Chillin Hard by Kevin Macleod
Vital Whales by Unicorn Heads