Mariner amphibious bi-plane experimental aircraft kit.
Experimental Aircraft News Magazine - Mariner amphibious bi-plane experimental aircraft kit. When you cover the ultralight industry for over three decades you get to meet a lot of the "original designers." Holmer Kolb, Bill Moyes, Bob Bailey, Randy Schliter, John Moody, to name a few. This year I met and interviewed the original designer of the SR 1 Hornet and designer and manufacturer of the Mariner, Larry Seifert. Larry entered the ultralight market back in the early 70's with his Hornet bi-plane "a cross between the Easy Riser and Volmer Jenson VJ 24."
The Hornet was originally powered by a Mac 101 go cart engine, was foot launched, and had three axis controls using elevator and ailerons through a side stick arrangement. With it's large wing area and light weight it made an excellent glider. Later models had landing gear added to them and engine power increased to the Rotax 503.
Then in 1989 he introduced his latest design the Mariner. The Mariner is a two place tandem seating amphibious bi-plane. It is currently being offered in kit form, which will take the average builder between 300 and 600 hours to build, and requires no special tools, or jigging. It is also offered as a ready to fly plane under the new Light Sport Aircraft category.
The Mariner is set up to take a number of different engines, from the Rotax 503 and 582 on up to the Subaru auto conversion. Depending on engine power cruise comes in between 55 and 75 mph, top speed 95 mph, climb rate 1,000 feet per minute and stall 28 mph. Take off from land or water requires 150 to 200 feet
Two Wings Mariner Ultralight Performance Data
Horsepower: 40 hp
Fuel Capacity: 5 gal 19 L
Range: 65 nm 120 km 75 mi
Cruise: 48 kts 89 kmh 55 mph
Stall: 26 kts 48 kmh 30 mph
Climb: 800 ft/min 4.1 m/sec
Ceiling: 12,000 ft 3,658 m
Takeoff Distance: 150 ft 46 m
Landing Distance: 225 ft 69 m
Gross Weight: 950 lbs 431 kg
Empty Weight: 304 lbs 138 kg
Useful Load: 646 lbs 293 kg
Wingspan: 28.5 ft 8.69 m
Length: 18.75 ft 5.72 m
Height: 8 ft 2.44 m
Mariner Experimental Amateurbuilt Aircraft Images
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Mariner Experimental Amateurbuilt Aircraft Video
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