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Maule M-7 / MX-7 / MXT-7

In 1981, Maule installed an IO-540-W1A5D out front of the M-5 and began delivering the M-6, also available with EDO floats. Two years later the model would morph into the M-7 and in 1989, the M-8. In 1991, the company experimented with a turbine Maule, installing an Allison 420 shp 250-B17-C and eventually offered the design in both taildragger and tricycle gear configurations. The family continues to create endless variations and improvements on the original airframe, with the original fuselage jig designed by founder B.D. Maule still in use in 1975.

Maule Aircraft have fitted their utility aircraft with Allison 250-B17 engines to create two new models, the M-7 and MX-7. Initial performance estimates include a 196 mph cruise, a partly loaded takeoff distance of 400 feet and a gross weight climb of 3000 feet/minute.

Fuselage: 4130 Chromoly Steel truss structure
Covering: Ceconite (a synthetic fabric) covers the fuselage, tail, and tail control surfaces
Wing, Flap, Aileron: Aluminum Spar, ribs, and skin
Firewall: Stainless Steel
Engine Cowling: Fiberglass
Doors: Steel frame with aluminum skin
Instrument Panel: Aluminum
Aircraft Interior: Fully upholstered - standard vinyl/velour seats and trim, velour headliner
Fuselage and tail structures are powder-coated for corrosion resistance.
Wing lift struts are sealed and internally coated with oil.
Wings, flaps, and ailerons are primed inside and out for corrosion resistance.
Urethane primer and finish paint used to provide long-lasting beauty, protection, and flexibility for the Ceconite covering.
Optional Stainless Steel Kit - This kit provides SS bolts where approved. SS turnbuckles for elevator (Ref. SL#55), SS clevis pins for control surfaces

maulem-7
Maule M-7


M-7-235C
Engine: Lycoming IO-540-WIA5, 235 hp
TBO: 2000 hr
Propeller: Const. spd.
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Gross weight: 2500 lb
Empty weight: 1600 lb
Fuel: 73 USgal
Baggage capacity: 250 lb
Landing gear type: Conv./Fixed
Gear Width: 7 ft 10 in
Cruise speed 75% power: 124 kt
Cruise speed 65% power: 116 kt
Max range (w/ reserve) 75% power: 572 nm
Max range (w/ reserve) 65% power: 542 nm
Stall speed (gear, flaps down): 39 kt
Fuel consumption 75% power: 13 USgph
Fuel consumption 65% power:12.5 USgph
Flap Settings: -7, 0, 24, 40, 48 degs
Best Climb Speed: 90 mph
Best rate of climb: 1150 fpm
Service ceiling: 20,000 ft
Seats: 5
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Cabin Width Rear Pass Seat: 33” shoulder, 28” hips
Cabin height: 37 in
Takeoff ground roll: 450 ft
Landing ground roll: 550 ft

M-7-260
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Flap Settings: -7, 0, 24, 40, 48 degs
Best Climb Speed: 90 mph
Seats: 5
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Cabin Width Rear Pass Seat: 33” shoulder, 28” hips

M-7-260C
Engine: Lycoming  IO-540-V4A5, 260 hp
TBO: 2000 hr
Fuel type:100LL
Propeller: 78/79.5 Inch (2 Blade) 78/80 (3 Blade)
Landing Gear Configuration: Spring Gear
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq.ft
Length: 23 ft 6 in
Height: 8 ft 4 in
Wing loading: 9.6 lb/sq. ft
Power loading: 15 lb/hp
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Cabin Width Rear Pass Seat: 33” shoulder, 28” hips
Cabin height: 46 in
Cabin doors: 4
Baggage capacity: 170 lb
Seats: 5
Max ramp weight: 2500 lb
Gross Weight: 2500 Pounds
Landing weight: 2500 lb
Empty Weight: 1671 Pounds
Useful Load: 829 lb
Useful Fuel Capacity: 73 Gal.
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 mph.
Rate Of Climb (1 Person/ 1/2 Fuel): 2000 fpm
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed: 90 Mph.
Service Ceiling: 20,000 Feet
Fuel consumption 75% power: 15.0 USgph
Fuel consumption 65% power: 13.5 USgph
Range, Max (30 Minute Reserve): 782 Miles
Cruise (75% Power at Opt. Alt.): 166 Mph.
Landing gear type: Fixed/Conv
Wheel base: 7 ft 10 in
Wheel track: 15.8 ft
Wheel size, std: 7.00 x 6 in
Flap Settings: -7, 0, 24, 40, 48 degs
Takeoff ground roll: 250 ft
Takeoff over 50-ft. obstacle: 600 ft
Landing ground roll: 300 ft
Landing over 50-ft. obstacle: 500 ft

M-7-420
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Flap Settings: -7, 0, 24, 40, 48 degs
Best Climb Speed: 90 mph
Seats: 5
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Cabin Width Rear Pass Seat: 33” shoulder, 28” hips

M-7-420AC
Wing Span: 33 ft 8 in
Wing Area: 169.2 sq ft
Length: 24 ft
Height: 6 ft 4 in
Gear Width: 7 ft 10 in
Flap Settings: -7, 0, 24, 40, 48 degs
Best Climb Speed: 90 mph
Seats: 5
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Cabin Width Rear Pass Seat: 33” shoulder, 28” hips

m7dimensions
M-7-235/260/420

 

maulemt-7
Maule MT-7


MT-7-235
Engine: Lycoming IO-540-W1A5D
Landing Gear Configuration: TriGear
Wing Span: 32 ft 11 in
Wing Area: 165.6  sq.ft
Length: 23 ft 6 in
Height: 8 ft 4 in
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Cabin Width Rear Pass Seat: 33” shoulder, 28” hips
Seats: 5
Gross Weight: 2500 Pounds
Empty Weight: 1625 Pounds
Useful Load: 875 Pounds
Fuel Capacity: 70 Gal.
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 mph.
Take Off (1 Person/ 1/2 Fuel): 200 Feet
Take Off at Gross Over 50' Obstacle: 600 Feet
Rate Of Climb (1 Person/ 1/2 Fuel): 1700 fpm
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed: 90 mph
Service Ceiling: 20,000 Feet
Fuel Consumption (65% Power): 12 USGPH
Range, Max (30 Minute Reserve): 850 Miles
Cruise (75% Power at Opt. Alt.): 160 mph.
Gear Width: 7 ft 8 in
Flap Settings: -7, 0, 24, 40 degs

MT-7-260
Engine: Lycoming IO-540-V4A5
Landing Gear Configuration: TriGear
Wing Span: 32 ft 11 in
Wing Area: 165.6  sq.ft
Length: 23 ft 6 in
Height: 8 ft 4 in
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Cabin Width Rear Pass Seat: 33” shoulder, 28” hips
Seats: 5
Gross Weight: 2500 Pounds
Fuel Capacity: 73 USGal.
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 42 Mph.
Take Off (1 Person/ 1/2 Fuel): 200 Feet
Take Off at Gross Over 50' Obstacle: 600 Feet
Rate Of Climb (1 Person/ 1/2 Fuel): 1350 FPM (Gross)
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed: 90 Mph
Service Ceiling: 20,000 Feet
Cruise (75% Power at Opt. Alt.): 167 Mph.
Flap Settings: -7, 0, 24, 40 degs
Best Climb Speed: 90 mph

MT-7-420
Engine:  Allison 250-B17
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 24 ft 6 in
Height: 8 ft 4 in
Landing Gear Configuration: TriGear
Gear Width: 7 ft 8 in
Flap Settings: -7, 0, 24, 40 degs
Best Climb Speed: 90 mph
Seats: 5
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Cabin Width Rear Pass Seat: 33” shoulder, 28” hips
Fuel Capacity: 85 US gal

mt7dimensions
MT-7-235/260/420

 

maulemx-7
Maule MX-7


MX-7-160
Engine: Lycoming O-320-B2D
Propeller: Sensenich 74 Inch
Landing Gear Configuration: Oleo Strut Taildragger
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Seats: 4
Gross Weight: 2200 Pounds
Empty Weight: 1330 Pounds
Useful Load: 870 Pounds
Fuel Capacity: 40 Gallons (70 optional)
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 Mph.
Take Off (1 Person/ 1/2 Fuel): 600 Feet
Take Off at Gross Over 50' Obstacle: 1180 Feet
Rate Of Climb (1 Person/ 1/2 Fuel): 825 FPM
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed: 90 Mph.
Service Ceiling: 13,000 Feet
Fuel Consumption (65% Power): 8 USGPH
Range, Max (30 Minute Reserve): 540 Miles
Cruise (75% Power at Opt. Alt.): 135 Mph.
Gear Width: 6 ft
Flap Settings: -7, 0, 24, 40, 48 degs

MX-7-180A
Engine: Lycoming O-360-C1F/-C4F
Propeller: Sensenich 76 Inch
Landing Gear Configuration: Oleo Strut Taildragger
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Seats: 4
Gross Weight: 2400 Pounds
Empty Weight: 1350 Pounds
Useful Load: 1050 Pounds
Fuel Capacity: 40 Gallons (70 optional)
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 Mph.
Take Off (1 Person/ 1/2 Fuel): 550 Feet
Take Off at Gross Over 50' Obstacle: 1150 Feet
Rate Of Climb (1 Person/ 1/2 Fuel): 920 FPM
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed: 90 Mph.
Service Ceiling: 15,000 Feet
Fuel Consumption (65% Power): 9 USGPH
Range, Max (30 Minute Reserve): 500 Miles
Cruise (75% Power at Opt. Alt.): 140 Mph.
Gear Width: 6 ft
Flap Settings: -7, 0, 24, 40, 48 degs

MX-7- 180B

Engine: Lycoming O-360-C1F
Propeller: Sensenich 76"
Landing Gear Configuration: Oleo Strut Taildragger
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq.ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Seats: 4-5
Gross Weight: 2500 Pounds
Empty Weight: 1395 Pounds
Useful Load: 1105 Pounds
Fuel Capacity: 73 USGal.
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 mph
Take Off (1 Person/ 1/2 Fuel): 300 Feet
Take Off at Gross Over 50' Obstacle: 600 Feet
Rate Of Climb (1 Person/ 1/2 Fuel): 1200 FPM
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed: 90 mph.
Service Ceiling: 15,000 Feet
Fuel Consumption (65% Power): 9 USGPH
Range, Max (30 Minute Reserve): 1095 Miles
Cruise (75% Power at Opt. Alt.): 145 Mph.
Gear Width: 6 ft
Flap Settings: -7, 0, 24, 40, 48 degs

MX-7-180AC
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Gear Width: 7 ft 10 in
Flap Settings: -7, 0, 24, 40, 48 degs
Best Climb Speed: 90 mph
Seats: 4
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips

MX-7-180C
Engine: Lycoming: O-360-C1F
Propeller: 76 Inch
Landing Gear Configuration: Spring Gear
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Configuration: 4-5
Gross Weight: 2500 Pounds
Empty Weight: 1500 Pounds
Useful Load: 1000 Pounds
Fuel Capacity: 73 Gal.
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 Mph.
Rate Of Climb (1 Person/ 1/2 Fuel): 1200 FPM
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed: 90 Mph.
Service Ceiling: 15,000 Feet
Fuel Consumption (65% Power): 9 GPH
Range, Max (30 Minute Reserve): 1095 Miles
Cruise (75% Power at Opt. Alt.): 145 Mph.
Gear Width: 7 ft 10 in
Flap Settings: -7, 0, 24, 40, 48 degs

M-7-235
Engine: 235-hp Lycoming O-540-J3A5
Seat 4-5
Gross wt. 2,500 lb
Empty wt. 1,500 lb
Fuel capacity 40-70 USG
Cruise 148 kts
Stall 40 kts
Initial climb rate 1,350 fpm
Range 478 miles
Ceiling 20,000 ft
Takeoff distance (50') 600 ft
Landing distance (50') 600 ft

MX-7-235B
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Gear Width: 6 ft
Flap Settings: -7, 0, 24, 40, 48 degs
Best Climb Speed: 90 mph
Seats: 4
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips

M-7-235C
Engine: Lycoming: O-540-J3A5, O-540-B4B5, IO-540-W1A5
Propeller: 81/80 Inch (2/3 Blade)
Landing Gear Configuration: Spring Gear
Wing Span: 32.9 Feet
Wing Area: 165.6 Square Feet
Length: 23.5 Feet
Height: 6.3 Feet
Cabin Width: 42 Inches
Configuration: 5 Place
Gross Weight: 2500 Pounds
Empty Weight: 1600 Pounds
Useful Load: 900 Pounds
Fuel Capacity: 73 Gal.
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 Mph.
Rate Of Climb (1 Person/ 1/2 Fuel): 1800 FPM
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed: 90 Mph.
Service Ceiling: 20,000 Feet
Fuel Consumption (65% Power): 11 (IO) USGPH / 12 (O) USGPH
Range, Max (30 Minute Reserve): 935 Miles
Cruise (75% Power at Opt. Alt.): 160 Mph.
Gear Width: 6 ft
Flap Settings: -7, 0, 24, 40, 48 degs

MX-7-260
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 6 ft 4 in
Gear Width: 7 ft 8 in
Flap Settings: -7, 0, 24, 40, 48 degs
Best Climb Speed: 90 mph
Seats: 4
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips

M-7-420AC
Engine 420-shp Allison 250-B17-C turbine
Seat 5
Gross wt. 2,500 lb
Empty wt. 1,570 lb
Fuel capacity 85 USG
Cruise 168 kts
Stall 50 kts
Initial climb rate 2,800 fpm
Ceiling 20,000 ft
Takeoff distance (50') 600 ft
Landing distance (50') 500 ft

dimensionmx7
MX-7-160/180

 

maulemxt-7
Maule MXT-7


MXT-7-160
Engine: Lycoming O-320-B2D
Propeller: Sensenich 74 Inch
Landing Gear Configuration: TriGear
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 8 ft 4 in
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Seats: 4
Gross Weight: 2200 Pounds
Empty Weight: 1430 Pounds
Useful Load: 770 Pounds
Fuel Capacity: 43 USGallons (73 optional)
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 Mph.
Take Off (1 Person/ 1/2 Fuel): 600 Feet
Take Off at Gross Over 50' Obstacle: 1180 Feet
Rate Of Climb (1 Person/ 1/2 Fuel): 825 FPM
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed 90 Mph.
Service Ceiling: 13,000 Feet
Fuel Consumption (65% Power): 8 USGPH
Range, Max (30 Minute Reserve): 585 Miles
Cruise (75% Power at Opt. Alt.): 130 Mph.
Gear Width: 7 ft 8 in
Flap Settings: -7, 0, 24, 40 degs

MXT-7-180
Engine: Lycoming O-360-C1F
Propeller: Sensenich 76"
Landing Gear Configuration: TriGear
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq.ft
Length: 23 ft 6 in
Height: 8 ft 4 in
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Seats: 4-5
Gross Weight: 2500 Pounds
Empty Weight: 1410 Pounds
Useful Load: 1090 Pounds
Fuel Capacity: 73 USGal.
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 Mph.
Take Off (1 Person/ 1/2 Fuel): 300 Feet
Take Off at Gross Over 50' Obstacle: 600 Feet
Rate Of Climb (1 Person/ 1/2 Fuel): 1200 FPM
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed: 90 Mph.
Service Ceiling: 15,000 Feet
Fuel Consumption (65% Power): 9 USGPH
Range, Max (30 Minute Reserve): 1095 Miles
Cruise (75% Power at Opt. Alt.): 140 Mph.
Flap Settings: -7, 0, 24, 40 degs

MXT-7-180A
Engine: Lycoming O-360-C1F/-C4F, 180 hp
TBO: 2000 hr
Fuel type: 100LL
Propeller: Sensenich 76 Inch  / 2-blade, CS Hartzell
Wing Span: 32 ft 11 in
Wing Area: 165.6 sq ft
Length: 23 ft 6 in
Height: 8 ft 4 in
Max ramp weight: 2500 lb
Gross weight: 2500 lb
Empty Weight: 1450 Pounds
Landing weight: 1528 lb
Useful load, std: 972 lb
Fuel Capacity: 43 USGallons (73 optional)
Payload, full std. fuel: 534 lb
Wing loading (lbs./sq. ft.): 15.1
Power loading (lbs./hp): 13.9
Cabin Width Front Seats: 42” shoulder, 37” hips
Cabin Width Pass. Seats: 38” shoulder, 34” hips
Seats: 4
Cabin doors: 2
Landing Gear Configuration: TriGear / Fixed
Stall Speed (Full Flaps/1 Person/ 1/2 Fuel: 40 mph / 35 kt
Take Off (1 Person/ 1/2 Fuel): 550 Feet
Take Off at Gross Over 50' Obstacle: 1150 Feet
Rate Of Climb (1 Person/ 1/2 Fuel): 920 fpm
Land at Gross Over 50' Obstacle: 500 Feet
Best Climb Speed 90 mph
Service Ceiling: 15,000 Feet
Fuel Consumption (65% Power): 9 USGPH
Fuel Consumption (75% Power): 10.3 USGPH
Range, Max (30 Minute Reserve): 535 Miles
Cruise (75% Power at Opt. Alt.): 135 mph / 126 kt
Gear Width: 7 ft 8 in
Flap Settings: -7, 0, 24, 40 degs
Takeoff ground roll: 300 ft
Takeoff over 50 ft. obstacle: 1100 ft
Landing ground roll: 500 ft
New price: US$173,900

mxt7dimensions

MXT-7-160/180

 

 

 


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