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Copyright 2015    –    PT17 / S150209

 

III.    SPECIAL FEATURES OF THIS PT-17 MODEL 

 

Wing panel sets are removable 
for ease of storage and transport. 

 

Includes a plastic dummy engine. 
An optional built-up wood 
dummy engine is available as an 
upgrade. 

 

Each aileron is operated by its 
own in-wing servo (servos not 
included). 

 

Steerable tail wheel – controlled 
by a dedicated tail wheel steering 
servo (servos are not included 
with this ARF).

 

 

Streamlined landing 
gear. 

 

Pull-pull rudder cables. 

 

  Stick-on decal set. 

 

Wing support kit is 
included for safe 
transport and storage. 

 

Dashboard set available 
as an optional upgrade, 
includes an LED 
radio-system voltage 
indicator, radio-power 
switch and charge- 
connector.

 

IV.    SPECIFICATIONS 

Wingspan   ................................................................................................................................  77 inches 
Wing Area   ..............................................................................................................   1,686 square inches 
Length   .....................................................................................................................................  57 inches 
ARF weight   ....................................................................................................   14 pounds and 4 ounces 
Flying weight   ................................................................................................   15 pounds and 14 ounces 
Engine required (Not included)   ......................   90 to 120 glow or an equivalent electric power system 

   

such as the Uranus 638109 brushless motor and 100 Amp High Voltage Brushless Controller 

Propeller (Not included)   ...................................................................................................   18 to 20 inch 
 

(as recommended for your power system) 

Radio system (Not included)   .......................................   Minimum of 4 channels and 5 standard servos 
   

(a 6

th

 servo is needed to control the throttle if a gas or glow engine is used) 

(All dimensions and weights are approximate.)

 

  V.    PARTS LIST 

1.  Items you must supply to complete this PT-17: 

 

5- and 30-minute epoxy or aliphatic resin glue, thin and thick Cyanoacrylate (CA) adhesives.   

 

Pliers, Allen wrenches, a high speed rotary tool, scissors and masking tape. 

 

90 to 120 glow engine, or an equivalent-powered motor system.   
(See 

http://www.maxfordusa.com/brushlessmotorandcontroller.aspx

   

for detailed information about Maxford USA electric power systems.) 

 

Propeller. 

 

Five standard-sized servos (four standard servos if you use an electric power 
system), two 18-inch extensions, one 6-inch 
Y-connector, and a minimum of a 4-channel   
radio-control system. 

 

Optional upgrade items: 
Dashboards with switch for 
receiver, charge jack and a 
battery voltage monitor; scale 
pilot figure(s); upgraded 
balsa and light ply dummy 
engine. 
 
 
 
 
 

*

 

*

 

Optional Uranus 638109 

brushless motor (above) 

and 100 Amp   

High Voltage Brushless 

Electronic Speed Control 

(shown below) 

Optional upgraded 

balsa and light ply 

dummy engine 

Summary of Contents for 1/5 PT-17 STEARMAN ARF

Page 1: ...is owned by John Mohr who very kindly sent us many detailed pictures of his personal aircraft We also acknowledge and thank Jay Smith editor or Model Aviation for his help and advice on this project...

Page 2: ...smoothly 6 Recheck the operation of this model airplane before every flight to ensure that all equipment is still operating correctly and that the model has remained structurally sound Also before ev...

Page 3: ...ford USA guarantees this kit to be free from defects in material and workmanship at the time of purchase All of our products have been inspected in our factory and are checked again when shipped from...

Page 4: ...ontroller Propeller Not included 18 to 20 inch as recommended for your power system Radio system Not included Minimum of 4 channels and 5 standard servos a 6th servo is needed to control the throttle...

Page 5: ...are using a glow engine point the engine s cylinder head toward the ground Use the L and R on the sides of the engine mounting box as viewed from the pilot s seat to determine which way is down 2 If y...

Page 6: ...d spaced equally behind the nose ring When the glue is fully cured secure the dummy engine to the nose by driving 3 wood screws through the dummy engine s mounting ring through the nose ring and into...

Page 7: ...wn above 24 Remove the tail wheel from the tailwheel strut 25 Attach an 18 inch servo extension to your tailwheel servo NOTE Depending on the length of your servo s lead and where you position your re...

Page 8: ...one cable to each end of the rudder s pull pull control arm 40 Guide the free ends of these cables through the opening on the right side of the tail and forward all the way into the cockpit area 41 P...

Page 9: ...A hinges and to ensure enough space between each half of the elevator and the horizontal stabilizer so the elevator can move up and down freely at least 2 inches 5 cm from level with the horizontal st...

Page 10: ...3 900mAh or above LiPo battery or three 4S LiPo batteries in series with an 18x8 to 20x8 propeller 63 If you use an electric motor confirm or correct its direction of rotation NOTE If you are using an...

Page 11: ...es 38mm Ensure the inner ends of the ailerons do not bind against the cutouts in their adjoining wing panels 66 Apply thin CA to permanently secure each aileron hinge to its wing panel and aileron Rem...

Page 12: ...s of a 12 inch Y harness out through the openings on each side of the fuselage as shown at the right Connect its servo like connector to your receiver s aileron port NOTE If necessary attach a servo e...

Page 13: ...he top and 1 wing wire anchor at the bottom of each strut 91 Guide the wing struts into their openings in the bottom of both left and right panels of the top wing Use epoxy to secure both wing struts...

Page 14: ...chor point near the leading edge of the left side s lower wing panel 1 in the diagram below Bring the wire back into and through the crimp tube then firmly crimp the tube onto the wire as pictured at...

Page 15: ...each half of the horizontal stabilizer at approx 9 inches from the fuselage 106 Tie one end of the supplied black string to either side of the anchor point 107 As pictured below guide the free end of...

Page 16: ...vailable at http www maxfordusa com flyboypilot 2 1 aspx in their cockpits 116 Balance and install the propeller on your motor or engine 117 To ensure the wings struts and wing wires remain secure dur...

Page 17: ...ould deflect to the left as viewed from the rear of the fuselage Review your radio s instruction manual if you require assistance with any radio related or servo adjustment questions 4 If you are usin...

Page 18: ...secure 3 Double check for correct control directions and smooth operation of the throttle ailerons elevator and rudder 4 Get into the habit of moving your transmitter s throttle to minimum before turn...

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