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Stinson Reliant SR / AT-19

Vultee V-77

stinson-sr9
SR-9C


By the mid-1930s, Stinson had developed the classic gullwing models, the SR-9 and SR-10, which were the standard of busi-nesses until the beginning of the War, when they became model V-77 personnel transports and navigation trainers.

 Stin-SR6-01
Stinson SR-6 Reliant OO-APM c/n 9299
 
 Stin-SR10-01
Jimmy Doolittle's Shell Stinson Reliant SR-10, restored

 

stinson-at19
AT-19 Reliant


The AT-19 was based on the civilian Reliant.

Civilian variants:
 
SR Reliant
Engine: 215 hp (160 kW) Lycoming R-680
 
SR-1
Engine: 240 hp (180 kW) Lycoming R-680-2
Two built.
 
SR-2
Engine: 240-hp (179-kW) Lycoming R-680-7
 
SR-3
Similar to the SR-1, but with minor structural changes.
 
SR-4
Engine: 250-hp (186-kW) Wright R-760-E
 
SR-5
Improved version
Engine: 225-hp (168-kW) Lycoming R-680-4
 
SR-5A
1933
Engine: 245-hp (183-kW) Lycoming R-680-6
Wingspan: 41.011 ft / 12.5 m
Length: 27.264 ft / 8.31 m
Height: 8.432 ft / 2.57 m
Max take off weight: 3475.1 lb / 1576.0 kg
Weight empty: 2326.3 lb / 1055.0 kg
Max. speed: 117 kt / 217 km/h
Service ceiling: 15502 ft / 4725 m
Range: 560 nm / 1038 km
 
SR-5B
Engine: 240-hp (179-kW) Lycoming R-680-2
 
SR-5C
Engine: 260-hp (194-kW) Lycoming R-680-5
 
SR-5E
Engine: 225-hp (168-kW) Lycoming R-680-4
 
SR-5F
Engine: 250-hp (186-kW) Wright R-760-E
 
SR-6
Engine: 225-hp (168-kW) Lycoming R-680-6
Seats: 4
 
SR-6A
Engine: 225-hp (168-kW) Lycoming R-680-6
Seats: 4
 
SR-6B
Engine: 260-hp (194-kW) Lycoming R-680-5
Seats: 4
 
SR-7
First gull wing series.
 
SR-7B
Engine: 225-hp (168-kW) Lycoming R-680-6
Seats: 4
47 built
 
SR-7C
Engine: 260-hp (194-kW) Lycoming R-680-5
Seats: 4
Three built
 
SR-8A
Seats: 5
 
SR-8B
Engine: 225-hp (168-kW) Lycoming R-680-6
Seats: 5
 
SR-8C
Engine: 260-hp (194-kW) Lycoming R-680-B5
Seats: 5
 
SR-8D
Engine: Wright R-760-E2
Seats: 5
 
SR-8DM
Utility transport version of the SR-8D.
 
SR-8E
Engine: 320-hp (239-kW) Wright R-760-E23
Seats: 5
 
SR-8DE
Utility transport version of the SR-8E.
 
SR-9
1937 series
Fitted with a curved windshield, unique to this series
 
SR-9A
Proposed version with Lycoming R-680-B4 engine.
Unbuilt.
 
SR-9B
Engine: 245 hp (183 kW) Lycoming R-680-B6
35 built
1937 Stinson Reliant SR-9B
Base Price: $7,985 (1937)
Engine: Lycoming R-680-13, 300 hp
Fuel type: 80/100LL
Propeller: Hamilton Standard constant speed
Landing gear type: tailwheel
Max ramp weight: 3750 lb
Gross weight: 3750 lb
Max landing weight: 3750 lb
Empty weight, std: 2515lb
Useful load, std: 980 lb
Payload, full std. fuel: 728 lb
Usable fuel: 82 USG
Oil capacity: 5 qt
Wingspan: 41 ft. 11 in
Overall length: 27 ft. 11 in
Height: 8 ft. 6 in
Wing area: 258.5 sq. ft
Wing loading: 14.5 lbs./sq. ft
Power loading: 12.5 lbs./hp
Wheel track: 96 in.
Wheel size: 8.50 x10 in
Seating capacity: 4
Cabin doors: 2
Cabin width: 52 in
Cabin height: 48 in
Baggage capacity: 150 lb
Cruise speed 75% power: 124 kt
Max range (w/ res) 75% power: 690 nm
Fuel consumption 75% power: 14 USgph
Stall speed (flaps up): 56 kt
Stall speed (flaps down): 50 kt
Best rate of climb: 900 fpm
Service ceiling: 16,500 ft
Takeoff ground roll: 780 ft
Landing ground roll: 700 ft
 
SR-9C
Engine: 260 hp (190 kW) Lycoming R-680-B5
65 built
 
SR-9D
Engine: 285 hp (213 kW) Wright R-760-E1
22 built.
 
SR-9E
Engine: 320 hp (240 kW) Wright R-760-E2
43 built.
 
SR-9F
Engine: 450 hp (340 kW) Pratt & Whitney Wasp Junior
34 built
 
SR-10
 
SR-10B
Engine: Lycoming R-680-D6
One built.
 
SR-10C
Engine: Lycoming R-680-D5
46 built
 
SR-10D
Engine: Wright R-760E-1
3 built.
 
SR-10E
Engine: Wright R-760E-2
21 built.
 
SR-10F
Engine: Pratt & Whitney R-985 Wasp Junior SB
18 built.
 
SR-10G
Engine: Lycoming R-680-E1
12 built.
 
SR-10J
Engine: Lycoming R-680-E3
11 built.
 
SR-10K
Engine: Wright R-760E-3
Two built.
 
Military variants:
 
AT-19
USAAF designation for a training variant of the UC-81 for the Royal Navy under Lend-Lease as the Reliant I
500 built.
 
AT-19A
Original designation of the L-9A which was a Voyager not a Reliant.
 
AT-19B
Original designation of the L-9B which was a Voyager not a Reliant.
 
AT-19C
Conversions of AT-19s for photo-survey aircraft for the USAAF
51 conversions.
 
UC-81
Four impressed SR.8Bs.
 
UC-81A
Two impressed SR.10Gs.
 
UC-81B
One impressed SR.8E.
 
UC-81C
Three impressed SR.9Cs.
 
XC-81D
One civil SR.10F operated by the military for the development of glider pick-up techniques.
 
UC-81E
Four impressed SR.9Fs.
 
UC-81F
Seven impressed SR.10Fs.
 
UC-81G
Three impressed SR.9Ds.
 
UC-81H
One impressed SR.10E.
 
UC-81J
Nine impressed SR.9Es.
 
UC-81K
Five impressed SR.10Cs.
 
UC-81L
Two impressed SR.8Cs.
 
UC-81M
One impressed SR.9EM.
 
UC-81N
Two impressed SR.9Bs.
 
L-12
Two SR.5As impressed into service with the USAAF during World War II.
 
L-12A
Two SR.7Bs impressed into service during World War II.
 
RQ-1
One SR-5 Reliant was acquired by the US Coast Guard in 1935
Later redesignated XR3Q-1 and decommissioned in 1941.
 
XR3Q-1
One SR-5 Reliant was acquired by the US Navy in 1935.
 
Reliant I
500 Reliants were supplied to the Royal Navy under Lend-Lease.
light transport and communications, navigation and radio training duties.
 
 
 


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