Golden Skies CROSSFIRE 320E, Final Assembly Manual

Page 1: ...eek the knowledge and help of a long time experienced modeler to assist you in the assembly of this kit and to assist you in the preflight safety checks and first flights during which you will be trimming the plane for safety and performance Your local hobby shop or the AMA association http www modelaircraft org can assist you in finding a club local expertise and a local flying field Seek a flyin...

Page 2: ... Spring Loaded Caster Landing Gear Add this gear for the smoothest landings possible Make a rough landing and the spring gear smooths it out Cut off the torsion wire gear slip on the spring gear tighten two setscrews and you are ready to go You still retain the torsion wire capability and gain spring shocks Order these optional parts through http www goldenskiesrc com Radio Safe Box Add a light we...

Page 3: ...19 Step 7 Control Surfaces Installation Ailerons Rudder Elevator 19 20 Step 8 Nose Wheel Assembly 20 21 Step 9 Push rod Pull Pull Assembly 22 24 Step 10 Belly Pan Installation 24 25 Step 11 Fuel Tank Installation 25 26 Step 12 Engine Installation 26 27 Step 13 Cowl Installation 28 29 Step 14 Wheels 30 Step 15 Radio Battery Switch 21 32 Spinner 32 Decals 33 Optional Assembly Steps 34 36 Balancing P...

Page 4: ...available use CrossFireAM as a password to access this website page Golden Skies R C Aircraft Inc Laguna Niguel CA 92677 949 429 2910 email service goldenskiesrc com http www goldenskiesrc com GSRC CrossFire 320E Features and benefits o Computer Aided Design CAD ensures accurate producible parts o Strong light weight design and construction High power to weight ratio o Balsa and lite ply construct...

Page 5: ... an uncontrolled landing Do not attempt to fly this ARF if you have not been qualified as a solo pilot by the instructor at the AMA approved flying site It is recommended that on any first flight of a new R C aircraft that you attain the assistance or instruction of a highly experienced R C pilot to verify the ARF s construction from a safety and flight perspective If you are just starting to fly ...

Page 6: ...ir own homeowner policy or a separate policy to cover liability in the event of property damage or injury to individuals or personal property Additionally all R C airplane pilots must join the AMA to become secondarily insured Academy of Model Aeronautics http www modelaircraft org Academy of Model Aeronautics 5151 East Memorial Drive Muncie Indiana 47302 9252 800 435 9262 5 Indemnification The us...

Page 7: ... your actions return the complete ARF kit to the point of purchase for a refund In order to return the ARF Kit the following steps must be undertaken ARF kit must be presented in its original carton undamaged and un assembled ARF must be in the original OEM condition and suitable for resale Purchaser must show valid purchase receipt ARF kit must be return to point of purchase with sixty 6 days of ...

Page 8: ...rossFire with genuine good looking factory parts So please do not hesitate to replace broken or worn parts and keep your CrossFire in pristine condition Consult your local hobby dealer and ask them to order for you or order directly form Golden Skies R C Aircraft at the address listed on the front cover Ite m P a rt N um b e r Ite m P a rt N um b e r C a no p y 1 0 0 5 6 0 0 0 0 1 C a no p y 1 0 0...

Page 9: ... stroke however it is more power than necessary to fly the CrossFire However if you want to stick n rudder SnR the airplane the 90 size will add to the 3 D and freestyle capability typical of SnR flying styles You may also choose to use a 90 size 4 stroke engine such as an OS 91FS or equivalent The 90 4 s is roughly equivalent to the 60 2 s but has more torque and can accommodate a larger prop A 1...

Page 10: ...o you are most accustomed to and comfortable with The CrossFire will require four Channels minimum and possibly a 5 channels if you split your ailerons for flaperon capability It is a good practice to keep the Transmitter and Receiver to the same brand however servos of a different brand are a generally accepted practice and should cause no problems Always check your radio manufacturer s recommend...

Page 11: ...iberglass 2 0z and polyester resin Optional Clear polyurethane spray fuel proof Tools 0 1 and 2 Phillips head screw drivers 1 2 Flat blade screw driver Adjustable Wrench Needle Nose Pliers Modeling knife 11 blade Single edge razor blades Electric drill 1 16 to 1 4 bits in 1 32 increments Modeling T pins Sandpaper 180 to 220 grit Dremel Moto Tool wheel cutter drum sander coarse and fine Paper towel...

Page 12: ...quence one should be able assemble the CrossFire 320E in 4 6 hours English in Metric mm Metric cm English in Metric mm Metric cm English in Metric mm Metric cm 1 64 0 4 0 04 1 25 4 2 54 1 32 0 8 0 08 17 32 13 5 1 35 1 5 38 1 3 81 1 16 1 6 0 16 9 16 14 3 1 43 2 50 8 5 08 3 32 2 4 0 24 19 32 15 1 1 51 2 5 63 5 6 35 1 8 3 2 0 32 5 8 15 9 1 59 3 76 2 7 62 5 32 4 0 0 40 21 32 16 7 1 67 3 5 88 9 8 89 3 ...

Page 13: ...do not attach control surfaces to its corresponding mating part i e elevator to horizontal stabi lizer at this time While the epoxy is curing move on to Step 2 Grease Hinge Area Using a light grease such as Vaseline lightly cover the entire hinge area to prevent the epoxy from entering the hinge joint Take care not to get grease on the ribbed hinge shank area where it will be glued into the contro...

Page 14: ...vo mark the mounting holes with a pencil or a punch Predrill the blocks with a 1 16 drill bit and mount the servo to the blocks using the servo manufacturer s supplied screws Now is a good time to mechanically center the servo arms Connect the servo to the receiver s aileron port and turn on your re ceiver and transmitter With the aileron controls stick trim sub trims centering set to neutral mech...

Page 15: ...ts using the four engine mount ing bolts and washers Snug it down tight however it will be removed later to drill the engine mounting holes in the engine mount rails Locate Engine Position With the spinner s backplate on the engine shaft clamp the engine to the mount rails as shown Position the engine so that the rear edge of the spinner backplate is 5 1 2 from the firewall front surface Be sure t...

Page 16: ...t proceed to next step Apply Epoxy and Assemble Mix a generous amount of 30 minute epoxy and using the epoxy brush apply a liberal amount of epoxy into the wing box one half of the dihedral brace and fit the brace into the wing box up to the center mark Apply epoxy to the surface of the root rib Repeat for the other wing panel be sure to epoxy both rib roots Slide the two wing panels together Chec...

Page 17: ...lage HS slot It should be in the half circle slots at the rear of the HS slot Test Fit and Align Horizontal Stabilizer Slide the horizontal stabilizer HS into the HS slot in the fuselage and check for fit and alignment In particular check that it is horizontal Measure the trailing edge TE from the fuselage to the outer edge as shown and balance each side Measure the leading edge LE from the fusela...

Page 18: ...hat may have squeezed out from the joints Set aside to cure Set the fuselage level so that gravity applies equally to all portions of the tail surfaces and thus does not effect the alignment while the epoxy is setting up Check the HS and VS alignment and adjust as necessary After the epoxy has cured re check the HS and VS alignment and fit Step 6 Fuel Tank Assembly Open the prepackaged fuel tank c...

Page 19: ...bing lengths bends etc to get it correct Remember to debur any cuts you make to the metal tubes and do not kink the metal tubes When satisfied tighten down the stopper screw to seal the tank and be sure to mark what each tube s function is on the tank and on the firewall The tubes should stick out from the front of the tank about 1 2 to 3 4 to allow ample length to attach silicon fuel tubing They ...

Page 20: ... sure to epoxy in the U horn to the two elevator halves Step 8 Nose Wheel Assembly Open the nose wheel assembly package You will need 1 nose landing gear as sembly 2 Locktite 3 2 phillips head screwdriver 4 Plastic push rod and guide sleeve Assemble the Nose Wheel Mount Assemble the nosewheel mount control arm wire landing gear and collar to the fire wall as shown left Note the tab on the main mou...

Page 21: ...slip on the lite ply sleeve braces and secure the sleeve to accommodate and allow for the receiver battery wing and fuel tank You may want to dry fit these items in place as you make the final decision about the placement of the sleeve braces Once finalized and the braces have been glued in place mark the sleeve as shown Re move push rod and cut off the sleeve Replace the push rod Mark and Cut Pus...

Page 22: ...rns vertical arm in a straight line with the servo arm and 2 align the control arms pivot point the three nylon bushing holes in the control arm with the Aileron Hinge Line see two pictures at left Attaching the push rod may assist you in making and holding this es sential alignment Be sure the servo arm is centered i e perpendicular to the wing surface and the aileron is in the neutral position t...

Page 23: ...each side of the rudder Cut the loop in the cable at the tail so that you now have two distinct cables Remember that these cables are to cross each other in the fuselage Take note that the two rudder control horns are set at slightly differ ent heights on each side of the rudder to prevent the mounting screws from interfering with each other Using a ruler measure 2 3 4 up from the bottom of the ru...

Page 24: ...to keep the servo arm and rudder in a neutral position Also leave enough threads on the connectors to allow for ample adjust ment and tensioning of the cable when the assembly is finalized Tighten the knurled locking nuts against the clevises at each end 4 places Secure the Locking nuts Secure the locking nut with a drop of locktite Test the entire system for strength freedom and range of movement...

Page 25: ... Gently reshape or sand where necessary to obtain the proper fit Mark the BP position at the leading and trailing edge on the wing surface so that you may relocate the pan after removal and also for removal of the wing covering material under the BP If you performed the OPTIONAL under wing fiberglass step then you have already removed the wing covering under the belly pan If not using a straight e...

Page 26: ... The following illustrations will show the installation of a OS 91FS 4 stroke engine You may choose to install the engine of your choice The process will be similar where the biggest differences will be the throttle push rod routing and muffler installation You will need 1 engine 2 mounting bolts 6 40 minimum 3 locknuts 4 screwdrivers and or nut drivers 5 Needlenose pliers 6 Plastic throttle push ...

Page 27: ...he firewall hole and up to throttle servo Add the lite plywood support brackets to the guide as shown left Attach the plywood brackets to the formers as shown and be sure the guides do not interfere with the wing i e place them above the wing saddle If using a secondary bellcrank an extra servo arm will work well drill the engine mount rail shown left and mount bellcrank with a screw Use washers t...

Page 28: ...n left is a full scale drawing of the OS 91FS 4 s engine Cut a hole in the paper template about 1 8 outside the outer dimen sions of the head and place the template hole over the engine head Itera tively adjust the hole size for good head clearance Tape the paper tem plate in place on the fuselage Transfer Template Pattern to Cowl Fold the template back out of the way at the tape point and remove ...

Page 29: ...eeds to be enlarged Remove the cowl and enlarge the hole in the areas as needed Do this iteratively a little bit at a time to not error and make the hole too big Similarly measure and mark any other holes required 1 Needle Valve and or extension 2 Muffler Ports 3 Fuel filling port if used A fuel filling port is more than conve nient for filling the fuel tank especially since you can not easily get...

Page 30: ...crew holes remove the gear a drill 1 16 pilot holes 3 16 deep Apply thin CA glue to the holes Replace the gear and attach the retainer straps using the screws provided Repeat for the other wing panel Install Wing Wheels Place the plastic wheel bushing on the landing gear axle until it stops and then put the wheel on Install Wing Wheels Place the plastic wheel bushing on the landing gear axle until...

Page 31: ...all Battery Switch Install the switch on the fuselage side opposite the muffler discharge Generally this will be the left side Using the switch backplate mark the switch outline location on either inside or outside of the fuselage whichever is more convenient Cut a hole in the fuselage where you have marked the outline Double up or backup the fuselage side with 1 16 scrap balsa if you wish Install...

Page 32: ...nstallation Install Battery Wrap the battery in protective form and secure with rubberbands The battery will be placed in the fuselage in such a position to assist the proper pitch balance Generally the battery will be placed under the servo tray But this depends upon the engine you use and other weight distribu tion factors Connect the battery plug to the switch Never let the battery float loosel...

Page 33: ...art at one end and lightly touch the decal to the fuselage Be sure that the decal is lined up and straight parallel with the color strips just below it Using a squeegee or straight flat edge squeegee the decal into place Work out all bubbles for a clean flat and bubble free decal application Apply to both sides Apply the Fuselage Nose decal Attach the nose decal using the same technique as describ...

Page 34: ...eading and trailing edges Apply masking tape along the trailing edge at the intersection of the trailing edge and the wing bottom Repeat for the leading edge Cut a piece of fiberglass 1 2 to 2 oz to fit about 3 16 to 1 4 inside the masking and from the leading to trailing edge Apply Fiber glass Mix fiberglass resin polyester or thinned epoxy apply to the fiberglass cloth and squeegee out as shown ...

Page 35: ...under the 1 4 fuselage stringer Shown left Attach Receiver Box Screw the box bottom to the rails after the epoxy has cured using the four 4 screws provided with the Safe Box Cut the interior foam to accept either the receiver alone or the receiver and battery together depending upon the pitch balancing requirements to move the battery fore or aft Install Receiver Plug the servos into the receiver ...

Page 36: ...here to the hinge joint area Place the sealing strip in the hinge joint as shown left Place the strip on the under side of the surface That is the underside of the wing ailerons and elevators and either side of the rudder It only necessary to seal one side although you may seal both sides if you wish Place a thin ruler in the seal strip center to force the fold down to the hinge line Using a seali...

Page 37: ...fly Turn the plane upside down and place your fingers under the wing at the C G point the location on the wing is virtually at the intersection of the leading edge and the tip rib However it is easier if you mark the C G on each wing panel wing using the C G decals provided about 5 6 inches out from the root or wing center Place you fingers on the C G points you just marked and carefully lift the ...

Page 38: ...however if you have adjusted the pitch balance correctly the yaw should be set adequately Control Throws The control throw is the amount any one of the control surfaces can move and is generally measured in inches above or below the neutral position or in degrees of deflec tion relative to the neutral position GSRC will give three ranges 1 for intermediate sport pilots 2 for intermediate to advanc...

Page 39: ...ements are made and or 2 At the top of loops Be aware of possible abrupt and undesired flight behaviors as one increases the amount of elevator throw Only very experienced pilots should set the throws above the Sport Pilot recommended throws Also be aware that overall weight power applied and C G pitch location will each and all effect the unintended snap roll behavior 1 Charge your transmitter an...

Page 40: ... cause structurally damaging vibration to your plane and eventual failure 8 Range test the radio With the transmitter antenna in the down or collapsed position the receiver battery switch on move the controls to affirm smooth non jittering control of the control surfaces Walk away from the airplane to a distance of about 100 125 feet While walking away affirm that you have complete smooth and non ...

Page 41: ...ne or more sticks simultaneously is beyond the intended scope of this assembly manual Consult your transmitter manual or a flight instruction book Roll Control Ailerons Stick Position Control Surface Response Plane Response RS to Right Right aileron up Plane rolls to right 1 Left aileron down RS to Left Left aileron up Plane rolls to left 1 Right aileron down Pitch Up Down Control Elevator Stick P...

Page 42: ... aircraft Try a few loops and axial rolls to test its aerobatic performance Move to a safe altitude and throttle back to a near idle to check its slow speed handling in preparation for landing The CrossFire will not slow down immediately when you throttled back due to its very sleek fuselage profile So be prepared to bleed off some speed well before the landing approach With the sleek profile the ...

Page 43: ...00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Trim Feature Maneuver Observation Corrections Corrections Control Centering Straight Level Flight Obtain straight and level flight ...

Page 44: ...upplemental Pictures and Figures Figure 2 Wing and Tail Alignment with respect to Fuselage Figure 3 Wing Leveling Diagram Figure 4 Dremel Tool with sanding drums and cutting disc Figure 5 Tube Bending Tools ...

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Page 46: ...46 Engine Drawings Please refer the Golden Skies Website to obtain downloadable drawings of various engine profiles http www goldenskiesrc com OS 91 4 S Outlie ...

Page 47: ...tra Spar over wing landing gear Rating 1 10 ______ 1 not important 10 most important c Lite Ply ribs in the wing gear area Rating 1 10 ______ 1 not important 10 most important d 3 16 wire landing gear Rating 1 10 ______ 1 not important 10 most important e Steel Control Horns Rating 1 10 ______ 1 not important 10 most important f Steel Pull pull rudder system Rating 1 10 ______ 1 not important 10 m...

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Page 51: ...t Disclaimer Liability Indemnification and Assumption of Risk Before Purchasing the Product See Pages 5 7 for full text The back page of this Assembly Manual is an overview of the Assumption of Risk Legal agreement only ...

Page 52: ...claims demands actions or causes of action for bodily injury death illness disease or damage to myself to any participating minor child of mine or to my property which are related to arise out of or are in any way connected with participation in the above referenced activities including but not limited to those arising from any negligent or reckless acts or omissions or breach of contract of the r...