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Mason Christavia

christaviamk1
Christavia Mk.1


Christavia was designed by Ron Mason around the classic lightplane lines of yesteryear, but with updated performance. It was specifically designed with missionary flying in mind. Mason describes it as a con-ventional, high-wing, strut-braced monoplane easily converted from wheels to floats or skis. All materials are standard off-the-shelf or easily obtainable. Industrial mild steel tubing in the fuselage keeps costs at a minimum; all parts can be made in a small workshop with just hand tools and a welder. No machining is required.

The Christavia was designed in 1982 as a mission field workhorse. Design requirements were short take-off and landing, small engine (low fuel consumption), low stall speed, good cruise speed and rate of climb, large cabin area, low maintenance and high safety factor. The Christavia is easy to fly, and the Iarge cabin makes long flights very comfortable.

christaviamk2
Christavia Mk.2


Over 1000 sets of the plans have been sold for the MK1 (two place tandem), MK2 (two place side-by-side), and Christavia MK4 (four place).

For the MK-2 side by side seating version of the MK-1, increase all crossmembers in the fuselage by 35% for approximate materials requirements. No separate materials list is available for the MK-2.

christaviamk4
Christavia Mk.4


Aircraft Spruce & Specialty Co. has acquired the design rights to the popular Christavia MK1, Christavia MK2, and Christavia MK4 homebuilt aircraft from the designer, Ron Mason of Elmwood Aviation in Canada.

Mk.1
Engine: Continental, 65 hp
HP range: 65-100
Height: 7 ft
Length: 21 ft
Wing span: 32.5 ft
Wing area: 146.2 sq.ft
Weight empty: 720 lbs
Gross: 1500 lbs
Fuel cap: 19 Imp.G
Speed max: 118 mph
Cruise: 105 mph
Range: 315 sm
Stall: 40 mph
ROC: 900 fpm
Take-off dist: 300 ft
Landing dist: 600 ft
Service ceiling: 14,000 ft
Seats: 2 tandem
Landing gear: tail wheel.

Mk.2
Seats: 2 Side by Side

Mk.4
Engine: Lycoming, 150 hp
Height: 7 ft
Length: 22 ft
Wing span: 35.5 ft
Wing area: 177.5 sq.ft
Weight empty: 1100 lbs
Gross: 2150 lbs
Fuel cap: 37 Imp.G
Speed max: 128 mph
Cruise: 118 mph
Range: 400 sm
Stall: 40 mph
ROC: 800 fpm
Take-off dist: 450 ft
Landing dist: 800 ft
Service ceiling: 19,000 ft
Seats: 4
Landing gear: tail wheel.

 

 


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