7.5K views · 185 reactions | As 2022 comes to a close, look back at the best moments of the #H1Unlimited hydroplane racing season in the H1 Unlimited Year in Review! Watch the full video here! -> https://bit.ly/3hJyuZF | H1 Unlimited | Facebook

All modern Unlimited Hydroplanes incorporate a “Tunnel” under the boat that traps air as the boat reaches racing speeds, using the air pressure trapped in the tunnel to lift the boat and allowing it to reduce drag by flying across the water rather than plowing through it.The tunnel is formed by the inside edges of the sponsons and incorporates an “Air Trap” that has a varying contour that is taller at the front than at the back. The Air Trap compresses the air as it travels under the boat and pr