Hydroflyer is an electric hydrofoil watercraft developed by Canadian inventor Jerry McArthur in collaboration with hydrofoil manufacturer Unifoil.[1][2][3] The vehicle combines characteristics of a hydrofoil board and a personal watercraft and includes handlebars with an integrated throttle, designed to provide additional stability and control compared with traditional eFoils.[1][2][3] It features a boat-style hull with additional volume in the bow, designed to keep the craft more stable when contacting the water and to prevent abrupt nose dives on touchdown.[4][1]

History

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The Hydroflyer was developed by McArthur to create a more stable and accessible form of electric hydrofoiling.[2][3][4] Unifoil partnered on the project, and production models were introduced in 2021.[2][3][4]

In April 2023, Uni Electric Vehicles Inc., co-founded by McArthur, was granted United States design patent D984,352 S for the Hydroflyer’s design.[5]

Design and features

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The Hydroflyer uses a carbon-fibre board and keel with a submerged electric propeller powered by a lithium-ion battery.[3][6] A wireless throttle on the handlebars controls acceleration and speed.[6][3] At roughly 4 kn (7.4 km/h), the foil begins to lift the craft above the water’s surface, reducing drag and noise.[3]

The Hydroflyer Cruiser can reach speeds of up to 55 km/h (34 mph) and operates for approximately two hours per charge.[2] The full system weight, including the battery, is 49.5 kg (108 lb).[1]

Models

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The first consumer version, the Cruiser, was followed by the Sport, a shorter, snub-nosed model with a smaller foil designed for sharper handling and higher agility.[7][8] Pricing is listed as US$15,995, depending on configuration.[7][8] Additional model variations, including a beginner-oriented inflatable version, have also been reported.[9]

Reception

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Wired described the Hydroflyer as “the Mountain Bike of the Sea” and highlighted its stability and control during testing in San Francisco Bay.[1] The Inertia wrote that the handlebars improve accessibility for new riders and described the product as confidence-inspiring and agile.[10] Robb Report included Hydroflyer in a feature on electric hydrofoils, noting its wide platform, handlebar control, and quoted top speed of 34 mph.[11] Reviews in Electrek and Autoevolution described the design as combining elements of hydrofoil boards and personal watercraft, with the aim of reducing the learning curve for beginners.[6][4]

See also

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References

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  1. 1 2 3 4 5 Ashworth, Boone (23 August 2024). "Hydroflyer's $15K Electric Hydrofoil Is the Mountain Bike of the Sea". Wired. Condé Nast. Retrieved 26 October 2025.
  2. 1 2 3 4 5 "The Hydroflyer eFoil Features Detachable Handlebars for a Safer Ride". Designboom. 29 April 2021. Retrieved 26 October 2025.
  3. 1 2 3 4 5 6 7 Irwin, Nick (29 April 2021). "HydroFlyer e-Foil Brings Motocross Madness to the Water With Handlebars". New Atlas. Retrieved 26 October 2025.
  4. 1 2 3 4 Gorgan, Elena (1 May 2021). "The HydroFlyer eFoil Is World's Most Advanced, Comes With Detachable Handlebar". Autoevolution. Retrieved 26 October 2025.
  5. US D984352S, "Design for hydrofoil watercraft", published 25 April 2023, assigned to Uni Electric Vehicles Inc.
  6. 1 2 3 Toll, Micah (20 May 2021). "This new 34 mph electric surfboard has handlebars". Electrek. Retrieved 26 October 2025.
  7. 1 2 "Unifoil's Hydroflyer Sport efoil Offers Handlebar Control". New Atlas. 2022. Retrieved 26 October 2025.
  8. 1 2 "This Futuristic Surfboard Lets You Fly Above Water at 25 mph". Fox News. 29 May 2025. Retrieved 26 October 2025.
  9. Song, David (3 October 2024). "Pemberton Man Invents Electric Hydrofoil". Pique Newsmagazine. Retrieved 26 October 2025.
  10. Sileo, Will (2025). "7 Best eFoils of 2025". The Inertia. Retrieved 26 October 2025.
  11. "The 7 Best 'Flying' eFoil Surfboards on the Market". Robb Report. 2023. Retrieved 26 October 2025.