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The Thomas-Morse MB-4 was a prototype American mailplane of the 1920s. It was of unusual design being a biplane with two main fuselages housing the crew of two and a central nacelle which carried the aircraft's twin engines in a push-pull configuration. It was a failure having extremely poor flying characteristics and being described as the worst thing on wings and saw no service.

The Thomas-Morse MB-4 was a prototype American mailplane of the 1920s.1

Made by Thomas-Morse Aircraft.

It is the successor of the Thomas-Morse MB-3 .

Empty Weight Lb
3554
Stall Speed Mph
53
Predecessor
Thomas-Morse MB-3
Eng 1 Type
water-cooled V8 engines
First Flight
1920
Developed From
Thomas-Morse MB-3
Span In
6
Gross Weight Lb
5564
Span Ft
45
Number Built
at least 2
Crew
2
Manufacturer
Range Miles
600
Max Speed Mph
122
Eng 1 Name
Hispano-Suiza 8
Height Ft
11
Origin
United States
National Origin
United States
Time To Altitude
600.0
Wing Area Sqft
645
Prime Units
imp
Eng 1 Hp
300
Eng 1 Number
2
Length M
8
Category

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This article provides individuals with tools to overcome or at least manage a fear of flying. Flying can be an enjoyable experience if anxiety is not an issue.