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S T E A R M A N P T - 1 7
EP 50-INCH SPORT-SCALE ARF Ver. 1.1
I N S T R U C T I O N M A N U A L
Lloyd Carlton Stearman (October 26, 1898 - April 3, 1975) was both an aircraft designer and the founder of
the Stearman Aircraft Corporation, maker of the Stearman PT-17 (also know as the Model 75 and the Kaydet).
His Stearman PT-17 was the U.S. Army Air Corps' primary flight trainer during World War II. At least 9,783
were built, and at war's end thousands of surplus PT-17s were sold on the civilian market.
This model of the famous Stearman PT-17 is an almost-ready-to-fly RC airplane designed for those who want
an easy-to-fly electric-powered airplane with great sport-scale appearance. It is based on the full-scale PT-17
owned by John Mohr, who very kindly sent us many detailed pictures of his personal aircraft. We thank PT-17
owner/pilot John Mohr; we also acknowlege and thank Jay Smith, editor of Model Aviation magazine, for his
help and advice on this project.
We invite you to enjoy flying this balsa and light-ply almost-ready-to-fly aircraft.
TABLE OF CONTENTS
I. Important safety precautions .............................. 2
III. Specifications ..................................................... 3
IV. Special features of this Stearman PT-17 ............ 3
V. Parts List ...................................................... 3
VI. Assembly instructions ................................. 4
VII. Setup and adjustments ................................. 9
VIII. Preflight checks .......................................... 10
Page 1 of 10
S130301 / Original Copyright 2011
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Summary of Contents for Maxford USA STEARMAN PT-17
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Page 1: Table Of Contents
Stearman Aircraft Corporation, maker of the Stearman PT-17 (also know as the Model 75 and the Kaydet). His Stearman PT-17 was the U.S. Army Air Corps’ primary flight trainer during World War II. At least 9,783 were built, and at war’s end thousands of surplus PT-17s were sold on the civilian market. -
Page 2: Important Safety Precautions
Because of its performance capabilities, this product, if not assembled and operated correctly, could cause injury to you or spectators and damage to property. Maxford USA provides you with a high-quality, thoroughly tested model airplane kit with assembly instructions. However, the quality and capabilities of your finished model airplane depend on how you build it, and your safety depends on how you use and fly it. -
Page 3: Specifications
Return shipping and insurance charges must be prepaid by you, the buyer. 3. Returned merchandise that is accepted by Maxford USA for credit is subject to a 10% to 20% restocking fee (the final amount will be determined by Maxford USA upon receipt and examination of the returned merchandise). -
Page 4: Assembly Instructions
3. Items included with your Stearman PT-17: Precovered fuselage, wing panels, cabanes, N-struts, simulated wing-wires, vertical and horizontal stabilizers, rudder and elevator, pre-painted dummy radial engine, and all associated hardware. Precut, precovered hatch, secured by rare-earth magnets, and precut mounts for all servos, with all required control horns and pushrods. - Page 5 wheel’s strut from the bottom of the fuselage and through the horizontal stabilizer, and secure the tail wheel assembly to the fuselage with the supplied small wood screws. Remove any excess epoxy with alcohol. 4. Test-fit the vertical stabilizer in its slot at the top rear of the fuselage, then temporarily position the rudder behind the vertical stabilizer and above the horizontal stabilizer.
- Page 6 X-mount and motor to the PT-17’s firewall. (Note: As explained at the top of page 9, if you are not using a Maxford USA U35425 motor, you may need to add some of the supplied spacers to bring your motor forward to fit inside the dummy engine and/or modify the firewall’s opening to fit your motor’s wires.)
- Page 7 26. Slide the upper wing’s carbon fiber wing rod and alignment pin half- way into either upper wing panel, then slide the remaining wing panel onto the exposed end of the wing rod and alignment pin and press the wing panels together. Place the top wing upside-down on a soft surface.
- Page 8 29. From the spring, route the wing wire from anchor-point to anchor-point (#1 through #8) as shown below: Right Lower Wing’s Leading Edge 30. Prepare to terminate the line at anchor-point #8 by attaching one end of a swivel at the front edge of the landing gear’s upper fairing with a wood screw.
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Page 9: Setup And Adjustments
33. Test-fit the false firewall and prepainted dummy radial engine over your motor and against the PT-17’s firewall. (Note: The Maxford USA U35425 motor does not require any spacers; however, you may need to add some of the supplied spacers to bring your motor forward to fit inside the dummy engine and/or to modify the openings to fit the motor’s wires, depending on your motor’s... -
Page 10: Preflight Checks
Get into the habit of moving your transmitter’s throttle to minimum before turning ON your transmitter, and carefully operate your motor to ensure your safety and the safety of all the people and objects around you. Congratulations on completing assembly of your new Stearman PT-17. May you enjoy many Happy Landings!
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