Gifts and collectibles for you and all the aviation fans on your gift list!

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Jared Smith

Golden Age of Flight

Stearman 4CM-1

With its flawless design, careful workmanship and the safety characteristics of a Stearman, the 4-D Jr Speed Mail also had beautiful proportions and flowing lines.  

A high speed sport craft with good performance and a 600 lb. payload the 4-D had many practical uses.  

The first 4-D was purchased by the Pratt and Whitney engine company and was used to tour the country and promote their new Junior Wasp engine.  

The 4-D was also purchased by Western Air Express for the mail route and was the first Californian mail carrier.  This model was later replaced by the 4-EM single seat mail cargo carrier.  

Typical Chrome-Moly and fabric construction, this was the first production aircraft to take full advantage of the rather large, but streamlined NACA low drag engine cowling.

Service History

Delivered: July 16, 1931

MFG: Stearman

First Produced: 1930

Powerplant: P/W Wasp Jr.

Horsepower: 300

Prop: Adjustable Metal

Service Ceiling: 15,000 ft.

Cruise: 120 mph

Top Speed: 145 mph

Range: 720 miles

Empty Weight: 2,297 lbs

Gross Weight: 3,800 lbs

Wing Span: 38’ top

28’ bottom

Wing Area: 307 sq. ft.

Length: 26’11”

Height: 10’2”

Armament: None

Number Built: 8

 
This Jr Speed Mail was acquired by Yanks in August of 1987 and is one of only two flyable today.