Model boat kit

Slo-Mo-Shun IV

Kit by Billing Boats

Slo-Mo-Shun IV was an unlimited hydroplane owned by Stanley Sayres and designed by Ted Jones. In 1950 she set a world water speed record of about 160 mph on Lake Washington and won the Gold Cup in Detroit, which brought the race to Seattle. Her hull rode on its propeller and two sponsons, a layout later hydroplanes followed.

Billing Boats' 1:12 kit builds a 75 cm model with a wooden hull and includes a photo manual. It is rated for experienced builders.

What building a Slo-Mo-Shun IV actually takes

Medians from the build logs kept on this site, not the designer’s estimate. Nobody has logged this boat here yet, so they are empty until the first builder does.

Build logs

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Median hours

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Median months

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Builds of this boat

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Boats like this one

Same type, closest in length.

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Nordkap	Billing Boats	32″ (81 cm)
US Coast Guard 44 ft Motor Lifeboat	Dumas	33″ (84 cm)