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TufFlight Tuf-Yak, Руководство пользователя

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The Toughest R/C  Planes Ever!

5376 Amalfi Drive,

Clay, NY  13041

www.tufflight.com

Items Included in kit:

Foam:

CNC sliced EPP “block”
CNC sliced fuselage core pieces

Wood:

(3) 1/32" x 2-1/4" x 24" ply
(12) 1/16” x 3” x 24” balsa sheet
(4) 5/16” sq x 24” balsa sticks
(2) 1/2”x 18” balsa tri stock
(3) 1/4” x 5/8” x 18” balsa
(1) 5/8” x 3/4” x 18” balsa
(1) 5/16” x 3” x 8-7/8” balsa
(1) 1/4” 5/8” x 4” bass
(2) 1/32” x 6” x 8” ply
(2) 5/16” x 6” dowels
(1) 5/16” x 2-1/2” dowel
(1) 1/2” x 5/8” x 22” pine

Plastic:

(4) G10 joiner pieces

(4) 1/16” clear plastic control horns
(1) 3/16”" x 4" x 7" white engine plate
(1) 1/16” x 2-1/4” x 15” spacer
(2) 2.5 degree wedges

Hardware:

(8) 10-24 x 1.5" nylon bolts
(8) 10-24 nuts
(8) 6-32 x 3/8” nylon bolts
(2) 1/4” washers
(1) 1/4-20 x 2” nylon bolt
(4) 6-32 nuts
(2) 6-32 x 1-1/4" bolts
(1) 1/4-20 nut
(4)  #64 rubber band
(1) roll hinge tape - Frost King # T94
(15) Robart Hinge points
(1) 7” x 1/16” tail skid wire
(1) 21”  pre-drilled carbon tube elevator axle

Rev 1.3

 

Hello, and thanks for buying the Tuf Yak!  Our version

of the popular profile Yak 55SP represents a quantum
leap  in flying excellence PLUS unprecedented Durabil-
ity for intermediate to advanced 3D pilots.

Wingspan:

46"

Length:

48"

Weight:

4.5 - 4.75 lbs

Engine:

 .40 - .53  two stroke,
.63-.82 four stroke

Radio:

4 channels

Servos:

5

Wing Area:

670 sq in

Tuf-Yak

Caution:

 The Tuf Yak is not intended as an R/C trainer airplane.  This plane is a very agile aerobatic performer

that is capable of quick rolls, hovering flight and many tricks appealing to the “3D” flyer.

The CG location is 3/4” behind the spar.

While you may be tempted to fly close to yourself, please practice in a safe manner.

Always obey safety rules and exercise good judgement when learning new maneuvers.

Please read and understand the instructions before starting to build.  We recommend joining the AMA and follow-

ing the AMA safety code.  Call 1 (800) I- FLY-AMA for more details.

We assume no responsibility for how you use your plane.  That said, let's get started!

Graph Tech profile landing gear
This Instruction Manual

Full Size Plans

Содержание Tuf-Yak

Страница 1: ...tor axle Rev 1 3 Hello and thanks for buying the Tuf Yak Our version of the popular profile Yak 55SP represents a quantum leap in flying excellence PLUS unprecedented Durabil ity for intermediate to a...

Страница 2: ...icker masking tape Helpful Tools 40 grit sandpaper on block available at auto finishing stores and Sears hobby knife utility knife square X acto knife with 26 blade 2 25 inches long great for cutting...

Страница 3: ...ic parts in this kit Goop Similar to silicone adhesive sealant but MUCH stronger The onlyacceptablealternativesarePacerZap a Dap a Goo PFM or Shoe Goo Goop is fuel proof and flexible Other TufFlightki...

Страница 4: ...as shown Step 7 Peel away the spider webs and chunks left from the foam Step 8 Break one of the front foam cavity pieces as shown to make a sanding block Step 10 Gently sand the aileron pieces to tru...

Страница 5: ...s shown see next step Step 18 You should now have spar parts as shown above Step 20 Draw lines to the center at the edge to make points tapered to 3 marks Step 19 Now take these two spar pieces and ma...

Страница 6: ...k the center line on the 6 double tapered spar piece as shown Step 27 Apply medium viscosity CAto half of the tapered piece to the tip as shown Step 28 Apply one of the spar pieces even with the cente...

Страница 7: ...ued spar into the pocket made in the previous steps Step 38 The unglued spar fits into the pocket from the right in the above picture Step 40 Mark the plastic piece where you see the line 3 8 to the r...

Страница 8: ...6 plastic spacers Gorilla Glue water spray bottle masking tape popsicle stick Bottom of wing is up with Leading Edge of wing facing down Wood piece faces forward nearest LE Insure both lines even with...

Страница 9: ...ts with a hobby knife that has a new SHARP blade Step 59 Apply the template to the foam sheet spray both sides of the longer end up to the marks near the center The 3rd mark should be even with the fo...

Страница 10: ...shown for the rudder hinge line Step 61 Here are the foam parts cut out Step 66 Sand the balsa triangle corners off so the balsa is even with the foam surface Step 67 Here is the rudder sanded flat S...

Страница 11: ...o see which side will be glued to the foam elevators Step 79 Rotate and align the tube so a test hinge points to the foam in the next step Step 77 Place the tube in the foam eleva tors on the plans as...

Страница 12: ...ep 88 Glue sticks together with CA Repeat process for entire stab Step 90 Glue the center block as shown Step 89 Using the full size template make the center stab block see below Make balsa tail stabi...

Страница 13: ...hinge locations at each hole Step 97 Mark hinge hole locations with small drill or prick punch Step 98 Drill 1 8 hole in at all hinge loca tions as shown Step 100 Enlarge hole with drill to depth as...

Страница 14: ...bottoms 7 from the root edge at the spar as shown Step109 Using the full size plans template trim both wing panel tip edges as shown Hinge pivot point center should be aligned with tri stock point an...

Страница 15: ...eron servos Step 118 This is a view looking inside the rightwingroot Step 120 Insert the foam piece into the wing tip until it stops and trace the edge as shown Step 119 Retrieve the front wing cavity...

Страница 16: ...e Repeat for both wing tips We want to break it free of the poly u glue that may have expanded into the groove Watch your fingers Step 126 Sand both foam tips to make the surfaces flat and even using...

Страница 17: ...lies hinges old credit cards 3M77 covering iron masking tape sandpaper pliers ruler toothpick Ultracote covering small scissors prick punch marker 1 8 drill single edge razor blade and or knife This t...

Страница 18: ...mizewrinkles Step 142 Once wrinkles are minimized iron edges and trim leaving about 1 4 overhang Step 143 Iron edges only at this point Step 145 Apply covering to the top and tip surfaces and trim nea...

Страница 19: ...and trailing edges of ailerons with sharp hobby knife Step 152 Use a ruler to trim the trailing edge as shown Step 153 Spray one side of aileron with 3M77 and allow to sit 5 minutes Step 155 Carefully...

Страница 20: ...sticks sandpaper pliers ruler scrap 1 32 ply razor saw elevator rudder servos marker foam safe CA kicker scissors Step 161 Insert dowel and test fit hinge near root edge of wing as shown Step 162 Tri...

Страница 21: ...icker Step 176 Glue the rearward basswood stick as shown with foam safe CA Step 177 Use elevator servo and basswood stick to size the hole for servo as shown Step 178 Remove foam with a sharp knife St...

Страница 22: ...tal stab will sit directly to the rear of this piece Do NOT glue the 5 16 stick Press foam together against spacer while gluing balsa stick at rear Step 186 Using the full sized plans fit and cut the...

Страница 23: ...ce in front of the foam block between the beams sand to fit be sure not to distort beams they should be parallel Step 196 Take the remaining 5 16 piece and mark a line 1 1 2 as shown Step 197 Make a 1...

Страница 24: ...e and sand while weighting down the sheeting as shown Step 205 Carefully join sheeting as shown withCAglue Use plastic wrap to protect your table Step 210 Trim the sheets to fit the rear fuselage Agai...

Страница 25: ...Page 25...

Страница 26: ...Page 26...

Страница 27: ...Page 27...

Страница 28: ...Page 28...

Страница 29: ...to the sheeting side that mates with the glued surface Step 220 Gather parts and tools Step 216 Apply the sheeting flip the piece over and apply glue to the other side Step 217 Wipe away any glue that...

Страница 30: ...ong straight edge to use a cutting guide Step 225 With the aileron deflected as shown lay the tape into the hinge line Step 229 Trim excess tape from either end ofthe wing Step 228 With a sharp knife...

Страница 31: ...8 3 16 and 5 16 bits 6 32 bolts and nuts wheels landing gear Step 235 Place the 1 32 ply piece to the nose as shown and mark the rear edge Step 234 Sand the sheeting edges smooth withthefoam Step 238...

Страница 32: ...on the centerline as shown Step 246 Test fit the right wing spar through the slot and clear the slot as needed Poke the pin through the sheeting along the centerline until you find the slot between t...

Страница 33: ...sa with foam safe CA to the perimeter to cap the edge THIS STEP IS OPTIONAL Step 255 Carpenters glue is easy to sand and masking tape works well to clamp pieces THIS STEP IS OPTIONAL let glue dry remo...

Страница 34: ...together with spacers as shown in DiagramA Note rear joiner aligns to fuselage joint as shown in Diagram A Be careful not to make slots too large at this stage better to make them smaller and file ope...

Страница 35: ...side sheeting so your servo s wires will route inside the channel Clear the opening to the channel as required Step 267 Trim wood from channel opening if necessary Step 275 Drill the 4 corner holes w...

Страница 36: ...tep 282 Test fit the stab into the groove Step 280 Position the vertical stab on the fuselage rear and trace the sides as shown Align stab centered within fuselage width Step 281 Measure 5 16 down fro...

Страница 37: ...r rear fuselage hinges hobby knife razor saw 1 16 music wire scrap 1 32 ply foam safe CA sanding block 1 16 drill metal file Step 288 Test the fit of the horizontal stab and sand the slot if needed fo...

Страница 38: ...the fuselage as shown double thickness Step 306 Gather parts and tools Cover Fuselage and Rudder You ll need Rudder front and rear fuselage hobby knife Ultracote single edge razor blade covering iron...

Страница 39: ...on the covering in the slots Step 311 Cover the curved fuselage canopy area as shown Step 307 Start by covering the vertical stab and top fuselage area as shown Step 308 Let the covering overlap the f...

Страница 40: ...Front Rear Fuselage Gorilla glue tape measure drafting square pins 5 16 balsa sheet Ultracote covering iron horizontal stab elevator assembly rudder misc weights and blocks hobby knife fuselage joiner...

Страница 41: ...from this area as shown Step 336 Double check your center measurement and adjust if needed Step 337 Once satisfied weight down and allow to cure Step 338 Pins may be used to affix stab in place if we...

Страница 42: ...nd fuselage Step 341 Move elevators to insure there is no interference and make clearance as needed Step 346 Glue the balsa piece in place as shown Step 347 When glue has cured sand trim even with fus...

Страница 43: ...ed to the correct size hole for your clevises Install Control Horns and Linkages You ll need Rear Fuselage Wings Sumo Glue clear plastic control horns push rods hobby knife drafting square pliers elev...

Страница 44: ...n Step 368 Install servo arm clevis and push rod and mark location for Z bend as shown Step 369 Install push rod linkage with z bend as shown Step 370 Repeat for elevator linkage Make the slice perpen...

Страница 45: ...372 Extend the mark to the length of the aileron control horn Make the slice perpendicular to both the hinge line AND the aileron surface DO NOT cut all the way through the aileron Note shape of horn...

Страница 46: ...own Step 386 Use a dremel tool or hobby knife to create the hole where marked Step 387 Tape the wire extensions stag gered to the long wire as shown Step 388 Roll the tape to keep the profile very sma...

Страница 47: ...fuse and fish the wires into the channel as before Step 400 Stuff the remaining wire into the right wing cavity as shown Step 399 Pull the wires so they protrude only about 1 as shown This is a TEST...

Страница 48: ...for the tail skid Step 410 Use the engine plate to mark the 2 5 degree angled motor mounts as shown Step 409 Glue the skid into the fuselage with Sumo or Gorilla Glue Masking tape can help correct an...

Страница 49: ...should look likethis Step 417 Install the tank with rubber bands and 1 2 thick latex foam as shown Step418 Install fuel lines for your engine Step 420 Connect throttle push rods with 2 inches of fuel...

Страница 50: ...ur stroke oil line can be affixed using a wire tie clamped between the landing gear and fuselage as shown suggested location is on wing top opposite the hatch look ahead to see battery lead which will...

Страница 51: ...egrees of aileron throw Adjust to your taste Step 440 The recommended CG is 3 4 behind the spar Enjoy Step 439 Insure up and down travel is equal for the ailerons The plans show a Saito 82 which is th...

Страница 52: ...the art in Open B or Slow Survivable SSC combat Unbelievably maneuverable and durable 60 inch span for great streamer catching and turning The Predator Our first kit and still a popular choice for sp...

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