PT-13D Stearman

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Manufacturer: Stearman
Designation: PT-17 / N2S-1 
Version: D
Nickname: Kaydet
Type: Trainer (Primary)
Specifications
Length: 24' 8"
Height: 10'
Wingspan: 31' 9"
Propulsion
No. of Engines: 1
Powerplant:

Lycoming R-680 (PT-13) Continental W-670 (PT-17)

Jacobs R-755 (PT-18)

Horsepower (each): 220 hp (PT13 & PT-17) 225 hp (PT-18)
Performance
Range: 505 miles
Cruise Speed: 96 mph
Max Speed: 122 mph
Ceiling: 11,200 Ft
Armament: none

 

The PT-17 was a two-seat, radial engine, unequal span, forward staggered biplane. The PT-17 was the most prolific of the primary training aircraft of the USAAF. Often the first aircraft used in the three-phase USAAF pilot training program, more U.S. WW II pilots trained in Stearmans than in all other PTs combined. The wings features spruce laminated spars and ribs, duralumin channel struts, and steel tie-rod bracing. The ailerons of duralumin construction were on the lower wings only. The fuselage was rectangular welded chrome-molybdenum steel-tube, covered forward with metal panel and aft with fabric.

 

Built like a bridge, it was able to survive all aerobatics and most cadets. The tandem open cockpits had complete dual controls. Communication between the student in the front and the instructor in the rear was by rubber voice tubing into the ears of the student who answered with hand signals.

     

After the war the slow, biplane turned into an agricultural star. While most of the fast-moving sleek fighters and bombers became aluminum ingots, the wood, steel, and fabric trainers survived. Selling for 10 cents on the dollar the PT-17 became a crop-dusting staple. A single firm in Texas bought 42 for a bid of $55.56 each. By adding hoppers in the front cockpit and replacing the engines with surplus 450 hp Pratt & Whitney Wasp Juniors the veteran trainers found a new life as agricultural stars. Today, an estimated 2,500 Stearmans are still flying.

  

The museum's PT-17, serial number 42-16388, was originally built as a PT-17. The designation PT-17 means that it is a PT-13 with a R-670 Continental, 220 hp. The aircraft was later engine swapped changing it to a PT-13 configuration. The museum’s PT-17 is on loan from the NMUSAF.


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