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Stinson Aircraft on FloatsUpdated 1/24/08 Click on the images for a full-size view.
Stinsons make great float planes. Below are some photos. As time permits, I'll add more photos. If anyone can provide technical information (weights, performance, etc) for float equipped Stinsons, I'll add that here as well. The best source for technical information I have found is at David Miller's "Flightlines" website. That's a photo of David's 108-2 below. David's page of technical information includes drawings and rigging information for Edo 2425 floats. Follow this link: http://members.shaw.ca/flightlines/ ************************************************************************* Edo 2425 floats were approved for the Stinson 108 series at part of the original type certificate. Other floats have been approved by STC, including Edo 2440's and Edo 2870's. Most owners report that the Stinson flies better on floats with more power. With 165 HP, the Stinson makes a pretty good two-place float plane, but to carry a full load, a conversion to a larger engine (F-220, O-470) is recommended. Float Fittings: Univair sells the float plane fitting kit that complies with the original type certificate. The part number is 108-3901001. It includes blueprints for the installation. Installation requires welding. Cost in 2007 was about $780. The kit does not contain struts or spreader bars - just the fuselage fittings. Stinson rebuilder Bob Reynolds offered additional details on the float fittings in 2007. Bob is in Canada and holds the Canadian equivalent of an A&P license. Here is Bob’s information on the float fittings:
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Keith Hulten's Stinson 108, N97559, on Tuffloats at Oshkosh, 2004 I received an interesting e-mail on March 1, 2001, from Keith Hulten, who may be providing an alternate source of floats for Stinsons in the future. Here's the text of his message: "My name is Keith Hulten. I was a proud owner of a Stinson for a number of years. During that time I looked incessantly for a set of EDO 2425 floats for my aircraft. Being unsuccessful I eventually sold the airplane to a friend with the hope of designing and building floats from scratch someday. These floats are now nearing completion and will be flight tested in April. The initial floats are designed for Super Cubs, Cessna 170s, Citabrias and Champs. A one foot stretched version will accommodate Stinsons, Maules, Hawk XPs and Hawk SPs.
N4449P, a 108-3 on Edo 2425 floats with 165 HP Franklin. Aircraft owned by Sam Pekovich. Photo taken by Charles Hauser in Juneau, Alaska.
A vintage photo of a 108-1 or 108-2 on floats, taken between 1946 and 1952 at Okanagan Landing in Vernon, British Columbia. Registration is CF-FYJ. Operated by L&M Air Service Ltd. This plane is no longer on the Canadian registry. Photo courtesy of Keith Nevile-Smith, whose grandfather, Loyd Smith was a frequent user of L&M Air Service.
This 108-2 on floats, C-FKZQ, is owned by Marty Boisvert and is based in Timmins, Ontario, Canada. Power is from a 230 horsepower Continental O-470. ![]()
Two SR-9 Gullwings on floats.
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