listing placed 09 August 2023 United Kingdom

Cozy Mark IV Plans

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Cozy Mark IV £500

I have for sale a project that regretably never got unboxed.

- Cozy Mark IV full plans
- Sportplane Construction Techniques by Tony Bingelis
- 5 x boxes of parts including foam, wood, hardware etc to get you started. As the boxes are many years old I appreciate that some parts within may not be ideally suited to build an aircraft. I can see that the seatbelts and other hardware such as nuts and bolts are as new.

The plans are $500 from Aircraft Spruce in the the US or €700 from Aircraft Spruce in Germany.

The Cozy Mark IV is in a class by itself. It is the most popular plans-built, high-performance, 4-place. Its safety record is unexcelled. Building cost at $15,000 for the airframe is about one-half that of prefab 4-place designs, and building time is about the same. With a useful load of 1000 lbs. a range of over 1000 miles, and a speed of over 200 mph, it has equal or better performance and utility than factory-builts costing $250,000 and more. The Cozy Mark IV plans and instructions are the most detailed and complete of any design on the market, and builder support is unequalled.

The Cozy Mark IV has the reputation of the most thoroughly flight-tested experimental design. Aft c.g. flight testing was done by ex NASA test pilot James Patton, and reported in April '94 Sport Aviation. He concluded that a Cozy Mark IV, built according to plans and operated in the approved c.g. range, has excellent stall resistance.

Ed Kolano, test pilot for Sport Aviation, gave an excellent evaluation of the Cozy's flying qualities in November '98 Sport Aviation. He concluded, "It is comfortable and boasts impressive performance numbers. It has benign stall characteristics and positive dynamic stability and it is easy to fly."

The CAFE Foundation's excellent evaluation of the Cozy's performance was reported in April '99 Sport Aviation. It concluded, "Its cross country efficiency places it among the top homebuilts in its class."

Co-Z Development pioneered the concept of a side-by-side configuration of the Long EZ back in 1982, and is the only such design licensed by Burt Rutan.

Specifications
Plans Price: $500
Number of Seats: 4
Building Materials: N/A
Building Time: ~2500 Hours
Standard Engine: Lycoming O-360 / 180 HP
Horsepower: 160-220
Wing Span: 28.1'
Wing Area: 88.3 sq ft
Empty Weight: 1050 lbs
Gross Weight: 2050 lbs
Takeoff Distance: 1200'
Landing Distance: 1200'
Cruise Speed: 185 mph
Top Speed: 200 mph
Fuel Capacity: 52 Gallons
Range: 1000 miles

While this aircraft would we a great achievement to build and fly, I'm going to spend time flying my Long EZ instead of being in the workshop.

£500ono

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