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12

STEP 3:  MOUNTING THE HORIZONTAL STABILIZER

Remove the stabilizer from the fuselage.

Using a modeling knife, carefully cut away and remove the covering

material from between the lines you drew.  Do this on both the top and
the bottom.

Slide the elevator joiner wire into the stabilizer mounting slot, as shown.

When satisfied with the alignment, use a pencil to draw a line on

each side of the stabilizer where it meets the fuselage sides.  Do this on
both the top and the bottom.

With the stabilizer held firmly in place, look from the front of the

airplane at both the wing and the stabilizer.  When aligned properly, the
stabilizer should be parallel to the wing.

Use a couple of pieces of masking tape to hold the front of the stabilizer in place and aligned.

Continued On Next Page

 

B=B-1

WARNING

  When cutting through the covering to remove it, cut with only enough pressure to cut through only the covering

itself.  Cutting down into the balsa structure could weaken the stabilizer and cause it to fail during flight.

If the stabilizer is out of alignment, use thin shims cut from scrap plastic, slid between the stabilizer and the fuselage, to

make the stabilizer parallel with the wing.

IMPORTANT

  You 

MUST

 slide the elevator joiner wire into the stabilizer mounting slot 

BEFORE

 installing the stabilizer.  If

you don't, it will be impossible to slide the elevator joiner wire into place after the stabilizer is installed.

Summary of Contents for PT-19 CORNELL EP ARF

Page 1: ...rvice starting in 1939 with the military s first order of 270 pieces With its unique advanced design and 6 cylinder engine it out flew over 17 other designs to win its first military contract Over its...

Page 2: ...ienced knowledgeable help with assembly and during your first flights Your local hobby shop has information about flying clubs in your area whose membership includes qualified instructors If there is...

Page 3: ...and to protect the parts Keep a couple of small bowls or jars handy to put the small parts in after you open the accessory bags We re all excited to get a new airplane in the air but take your time Th...

Page 4: ...use a 4 or more channel radio control system The receiver should be as light as possible preferably 1 2oz or less Most four channel micro receivers would be a good choice We suggest using the Cirrus...

Page 5: ...ge rate must be set at 340mAH or less Do NOT leave in direct sunlight or in a hot car or storage area Do NOT get wet or expose to moisture Do NOT short circuit the battery ONLY discharge and charge th...

Page 6: ...ironment like the back of your car in direct sunlight for any length of time The extreme heat could distort the molded plastic fuselage and or cause the covering material to wrinkle and possibly damag...

Page 7: ...eaded Pushrod Assembly 1 10 1 2 Threaded Pushrod Assembly 1 Prebent Elevator Joiner Wire 2 Nylon Control Horns w Nylon Backplates 2 Nylon Clevises 4 M2 x 12mm Machine Screws 6 C A Style Hinges MISCELL...

Page 8: ...OOLS AND SUPPLIES SECTION 7 WING ASSEMBLY STEP 1 ALIGNING THE WING PANELS Remove the aileron from each wing panel and set the ailerons aside for now The ailerons are temporarily held in place for pack...

Page 9: ...remove any excess epoxy using a paper towel and rubbing alcohol and allow the epoxy to set up before proceeding After the epoxy has set up test fit both wing panels together again to double check tha...

Page 10: ...to install the stabilizer Kwik Bond Thin C A Kwik Bond 5 Minute Epoxy 2 Phillips Head Screwdriver Excel Modeling Knife Ernst Airplane Stand Ruler Pencil 1 Fuselage 1 Horizontal Stabilizer w Elevator H...

Page 11: ...back edge of the mounting slot This gap will allow room for the elevator joiner wire to be installed later When satisfied with the alignment hold only the trailing edge of the stabilizer in position...

Page 12: ...perly the stabilizer should be parallel to the wing Use a couple of pieces of masking tape to hold the front of the stabilizer in place and aligned Continued On Next Page B B 1 WARNING When cutting th...

Page 13: ...any gaps between the stabilizer and the fuselage fill them using 5 minute epoxy for added strength Again before the epoxy sets up remove any excess epoxy using a paper towel and rubbing alcohol Conti...

Page 14: ...making sure that you push each hinge in up to the T Pins Don t glue the hinges into place yet though Kwik Bond 5 Minute Epoxy Kwik Bond Thin C A Kwik Bond C A Debonder Excel Modeling Knife Dubro T Pi...

Page 15: ...HINGING THE ELEVATOR HALVES Push two T Pins through the center of two C A style elevator hinges Working with one elevator half for now slide one hinge into each hinge slot in the elevator half making...

Page 16: ...nto the hinge slots in the trailing edge of the stabilizer making sure that the elevator joiner wire is firmly seated within the precut slot in the elevator half The elevator half should be pushed fir...

Page 17: ...6 Drill Bit 1 Plastic Cowling 3 M3 x 12mm Wood Screws 3 M2 x 8mm Wood Screws Ruler Pencil Masking Tape YOU LL NEED THE FOLLOWING PARTS FROM THE KIT YOU LL NEED THE FOLLOWING TOOLS AND SUPPLIES SECTION...

Page 18: ...rough each side of the cowling 1 8 in front of the back edge of the cowling Using a pair of scissors carefully cut out the molded air exit scoop in the bottom of the cowling IMPORTANT To allow the cow...

Page 19: ...TEMS INSTALLATION STEP 1 INSTALLING THE ELEVATOR AND RUDDER SERVOS Install the elevator and rudder servos into the plywood servo tray making sure to drill 1 16 diameter pilot holes for the mounting sc...

Page 20: ...selage side With the elevator and the servo horn centered draw a mark on the pushrod wire where it crosses the hole that you enlarged in the servo arm Position a nylon control horn onto the bottom lef...

Page 21: ...od assembly into the fuselage and guide the threaded wire out through the pushrod exit slot in the right side of the fuselage Again you may need to use a modeling knife to widen the slot slightly so t...

Page 22: ...ses 1 Plywood Aileron Servo Tray Masking Tape Paper Towels Rubbing Alcohol NHP Epoxy Mixing Sticks NHP Epoxy Mixing Cups YOU LL NEED THE FOLLOWING PARTS FROM THE KIT YOU LL NEED THE FOLLOWING TOOLS AN...

Page 23: ...be toward the leading edge of the wing as shown STEP 2 INSTALLING THE AILERON PUSHRODS Using a modeling knife cut away and remove two arms from a 4 point servo horn Using a 1 16 diameter drill bit en...

Page 24: ...N 13 LANDING GEAR INSTALLATION STEP 1 INSTALLING THE LANDING GEAR WIRES Insert the short 90 bend in each of the two landing gear wires into the predrilled hole in each landing gear mounting slot Push...

Page 25: ...thin layer of 5 minute epoxy IMPORTANT There are right and left hand landing gear strut fairings When installed the angle on the top of the strut fairing should match the angle between the bottom of...

Page 26: ...the sides of the fuselage and there should be a 1 16 gap between the front of the fairing and the fuselage Using 220 grit sandpaper sand the edges of the leading edge fairing smooth making sure to lea...

Page 27: ...g is required Mount your ESC to the balsa plate in front of the forward bulkhead using a piece of double sided foam tape If your ESC features a micro switch mount it in a convenient place on the side...

Page 28: ...with the flight battery installed and the airplane fully assembled Install the wing onto the fuselage Apply two short pieces of masking tape onto the top of the wing 2 51mm back from the leading edge...

Page 29: ...lights Check to ensure that all of the control surfaces are moving the proper amount in both low and high rate settings Check the receiver antenna It should be fully extended and not coiled up inside...

Page 30: ...30...

Page 31: ...sembly difficult for you If yes please explain Yes No ____________________________________ ____________________________________ ____________________________________ ___________________________________...

Page 32: ...Hobby Distributors Attn Global Services 18480 Bandilier Circle Fountain Valley CA 92728 8610 Post Office will not deliver without proper postage _____________________________ ________________________...

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