VQ Model Marchetti SF-260 / 1620mm Owner's Manual
The VQ Model Marchetti SF-260 / 1620mm is a radio controlled model airplane designed for experienced model airplane pilots. This almost ready to fly (ARTF) model features all-balsa and plywood construction and has a wingspan of 1630mm (64.1in) and a length of 1300mm (51.1in). The model is intended for use with glow or electric motors, and can be equipped with optional retractable landing gear. The manual provides detailed instructions for assembly and setup, as well as recommendations for required items such as servos, radio systems, and batteries. It also includes guidance on balancing and control throws for a successful first flight.
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Radio control model / Flugmodel SIAI MARCHETTI SF-260 VQ No: VQA143GE - VQA143US - VQA143IT EP GP ALL BALSA, PLYWOOD CONSTRUCTION AND ALMOST READY TO FLY Instruction manual / Montageanleitung SPECIFICATIONS TECHNISCHE DATEN Wingspan:.........................1630mm (64.1in) Length:..............................1300mm (51.1in) Electric Motor:.....................See next pager Glow Engine:.................... .55 - .61 2T RTF Weight: 3.9Kg / 8.6lbs (Will vary with Equipment Used). Radio:......................8 Channel / 6-7 Servos Function: Ailerons-Elevator-Rudder-Throttle Flaps-Optional Retractable Landing Gear. Spannweite:...................................1630mm Lange:............................................1300mm Elektroantrieb.............(siehe nächste Seite) Verbrennerantrieb:...............................10cc Fluggewicht:.......................................3.9Kg Fernsteuerung.............8 Kanal / 6-7 Servos WARNING! This radio controlled model is NOT a toy. If modified or flown carelessly it could go out of controll and cause serious human injury or property damage. Before flying your airplane, ensure the air field is spacious enough. Always fly it outdoors in safe areas and seek professional advice if you are unexperienced. ACHTUNG! Dieses ferngesteuerte Modell ist KEIN Spielzeug! Es ist für fortgeschrittene Modellflugpiloten bestimmt, die ausreichende Erfahrung im Umgang mit derartigen Modellen besitzen. Bei unsachgemässer Verwendung kann hoher Personen- und/oder Sachschaden entstehen. Fragen Sie in einem Modellbauverein in Ihrer Nähe um professionelle Unterstätzung, wenn Sie Hilfe im Bau und Betrieb benötigen. Der Zusammenbau dieses Modells ist durch die vielen Abbildungen selbsterklärend und ist für fortgeschrittene, erfahrene Modellbauer bestimmt. REQUIRED ITEMS / Zum Betrieb wird benotigt 12x6 for .58 - 2 cycle engine 12x7 for .61 - 2 cycle engine 14x8 for Electric motor Extension cord for aileron servos: 50cm(x2) Extension cord for flap servos: 50cm(x4) Extension cord for retract servos: 30cm(x2) Extension cord for Rx battery pack: 20cm(x1) Motor Brushless 1000 Watt .55 ~ .61 - 2 cycle ESC 80A Minimum 8 channel radio for airplane with 7 servos .Motor control x1 .Aileron x 2 .Flap x 2 .Elevator x1 .Rudder x1 Li-Po Battery 5.300 - 22.2v Silicone tube GLUE / KLEBSTOFF Cyanoacrylate Glue SILICON Silicon sealer Epoxy Glue ( 5 minute type) EPOXY A CA Epoxy Glue (30 minute type) EPOXY B Hex Wrench Hobby knife Phillip screw driver Awl Needle nose Pliers Scissors Sander Wire Cutters ......................................................... ......................................................... ......................................................... ......................................................... ......................................................... ......................................................... ......................................................... ......................................................... ......................................................... ......................................................... ......................................................... Masking tape - Straight Edged Ruler - Pen or pencil - Rubbing alcohol - Drill and Assorted Drill Bits If exposed to direct sunlight and / or heat, wrinkles can appear. Storing the model in a coll place will let the wrinkles disappear. Otherwise, remove wrinkles in covering film with a hairdryer, starting with low temperature. You can fix the corners by using a hot iron. Bei Sonneneinstrahlung und / oder Warme kann die Folie erschlaffen bzw. Falten entstehen. Verwenden Sie ein Warumluftgeblase (Haartrockner) um evtl. Falten aus der Folie zu bekommen. Die Kanten konnen Sie mit einem Bugeleisen behandeln. Nicht zuviel Hitze anwenden Drill holes using the stated 1.5mm size of drill (in this case 1.5 mm Ø) A B Use epoxy glue ! Take particular care here CA Apply cyano glue Hatched-in areas: remove covering film carefully Assemble left and right L/R sides the same way. Check during assembly that these parts move freely, without binding X Not included. These parts must be purchased separately ! Read through the manual before you begin, so you will have an overall idea of what to do. CONVERSION TABLE 10mm = 13/32” 3.0mm = 1/8” 25mm = 1” 1.0mm = 3/64” 12mm = 15/32” 4.0mm = 5/32” 30mm = 1-3/16” 1.5mm = 1/16” 15mm = 19/32” 5.0mm = 13/64” 45mm = 1-51/64” 2.0mm = 5/64” 20mm = 51/64” 6.0mm = 15/64” 2.5mm = 3/32” Siai Marchetti SF-260 1-Aileron extension cord installation Aileron servo hatch 30cm Extension cord X WING BOTTOM-VIEW Flap servo hatch Turn the screws and full the aileron and flap servo hatch out of the wing half. Using the thread (pre-installed at factory) to slide the aileron and flap extension cord into the wing half. Thread Thread Using the adhesive tape to secure the one end of the aileron and flap extension cord in place. WING TOP-VIEW Adhesive tape Using the adhesive tape to secure the one end of the aileron and flap extension cord in place. L/R 2- Flap servo installation X 1.5mm cut away only the covering L/R Flap servo 45 o Siai Marchetti SF-260 3- Flap servo installation Flap pushrod CA 35 Bend the flap pushrod 35o at shown Steel clevis ......2 Installing the flap servo on to the hatch (side-view) Pushrod exit hole Flap push rod (2mm) .....2 WING BOTTOM Plastic control horn Flap servo Hatch FLAP ......2 set Servo mount Connector 2mm ............2 L/R Connector Siai Marchetti SF-260 4- Aileron servo installation 1.5mm X cut away only the covering Aileron linkage Steel Clevis EZ link 90 o Aileron servo Steel clevis ......2 Aileron push rod (2mm) .....2 Plastic control horn EZ link ............2 set .....2 Installing the aileron servo on to the hatch (side-view) Aileron servo Hatch WING BOTTOM AIL. Servo mount L/R 5- Electric retract and Strut installation Siai Marchetti SF-260 X X 1 2 Note: Do not glue the wooden ring to the strut at this time. L/R 6- Electric retract and Strut installation CA Siai Marchetti SF-260 CA L/R Siai Marchetti SF-260 7- Fixed gear installation TOP VIEW 2mm 7B 7A Slide the landing gear onto the plywood gear mount and push the landing gear as shown. 7C Using the nylon gear strap as a template, mark the plywood gear mount where the four holes to be drill. Remove the nylon gear strap and drill a 2mm hole at each of the four marks marked. 7D Reposition the nylon gear strap and secure them in place using four 3x20mm screws. BOTTOM VIEW CA CA 7E 7F Attach the ply gear mount plate to the plywood gear mount 3x20mm screw .......16 Secure the ply gear mount plate in place using CA glue. Plywood Gear mount x2 Nylon gear strap .......4 Square plastic x2 Ply gear mount plate x 2 7G 7H Attach the square plastic onto the ply gear mount, secure it in place using CA glue. Drill a 2mm holes through the square plastic and ply gear mount plate. Secure the ply gear mount using four 3x20mm screws. 8- Fixed gear installation continued Siai Marchetti SF-260 3x12mm self tapping screw ....................8 3x12mm ...........2 L/R 9- Fixed gear installation Siai Marchetti SF-260 2x6mm self tapping screw .....................4 1.5mm 2x6mm 1.5mm L/R 10- Joining the wing halves Draw the center line on the wing joiner Before gluing: - Draw the center line on the wing joiner. - Trial fit each part before gluing . Be certain that there are no gaps. If the parts will join, but with a gaps, sand or trim the parts a little at a time until the parts meet exactly with no gaps. - Check for the correct dihedral angle A B Coat one half of the dihedral brace with epoxy up to the center line. Install the epoxy-coated side of the dihedral brace into the wing joiner cavity up to the center line. CA A B 30 min. Epoxy 6x20mm dowel 11- Joining the wing halves Siai Marchetti SF-260 Glue Wing half Wing joiner A B Glue must go inside ! Make sure to glue securely, If not properly glued, a failure in flight may occur. A B WING TOP-VIEW 30 min. Epoxy Carefully slide the wing halves together, ensuring that they are accurately aligned. Firmly press the two halves together, allowing the excess epoxy to run out. Note: The two wing halves roots must fit together perfectly. Clear off the excess epoxy. A B 30 min. Epoxy Hold the wing halves together with paper clamp and rubber band. A B Nylon wing bolt (included) WING TOP-VIEW Rubber band (not include) Paper clamp (not include) IMPORTANT: Please do not clean off the excess epoxy on the wing with strong solvent or pure alcohol, only use kerosene to keep the colour of your model not fade. WING TOP-VIEW 12- Wing tip Tank CA L/R 13- Horizontal Stabilizer installing Siai Marchetti SF-260 13A Using a sharp hobby knife, carefully cut away the covering around of all slots for the horizontal stabilizer installation. Pull the left and right elevator out of the horizontal stabilizer. 13B Push the horizontal stabilizer into the slot on the fuselage as show. Check the alignment of the horizontal stabilizer by measuring from a fixed point along the center line of the fuselage to the leading edge on each side of the horizontal stabilizer. The distance must be equal on both sides . If not, adjust the stabilizer until the measurements are the same (see picture below: A=A’). Cut away only the covering Center point A A=A’ 13C When you are satisfied with the alignment, use a pencil to trace around the top and bottom of the stabilizer where it meets the fuselage. Cut away only the covering both sides. 13D Remove the horizontal stabilizer from the fuselage. Using a straight edge and a sharp hobby knife, carefully cut away the covering inside the lines which were marked above. Be cautious not to cut into the wood-this will weaken the structure. A’ 14- Horizontal Stabilizer installing continued Siai Marchetti SF-260 Apply thin CA glue where the fuselage CA meet the horizontal stabilizer (both sides). Install the horizontal stabilizer onto the fuselage and adjust the alignment as described in steep 13B. Note: it is important to ensure that the horizontal stabilizer is also level in regards to the fuselage. Apply the thin CA along the area where the covering was removed in the previous step and to the fuselage where the horizontal stabilizer mounts . ! Securely glue together. If coming off during fly, you lose control of your air plane. 15- Rudder and Elevator CA CA Apply thin CA glue on the top and bottom of the hinge TOP-SIDE HORIZONTAL STABILIZER CA 16- Control horn installation Siai Marchetti SF-260 Plastic control horn ............................3 Plastic back plate ...........................3 2x15mm screw .....................6 2x12mm 2mm 2mm 2mm Control horn Alignment STABILIZER CA Attach the rudder control horn using the hardware provided (two 2x15mm screws and a back plate). 17- Engine Attach the engine mount beams onto the fire-wall so the distance between of two engine mount beams is “A”,and B=B’ as show. Secure the engine mount beams onto the fire-wall with litter CA glue (1B) ! Align the mark on both engine mount beams with the mark on the fuselage Using a pencil or felt tipped pen, mark the fire wall where the four holes are to be drilled(1B)) A B B’ A 6mm B B’ B=B’ 18- Engine continued Siai Marchetti SF-260 4x25mm screw - washer ...................4 Blind-nut ....................4 18A Insert the blind-nut onto each of the four holes make above . 18B Reposition the engine mount beams on to the fire-wall and secure them with four 4x25mm screw. ! Engine thrust on balk head is already adjust at factory 18C Position the engine to the engine mounts so the distance from the prop hub to the fire-wall is 140mm. Mark the engine mounting plate where the four holes are to be drilled. 140mm FUSELAGE SIDE-VIEW 18D Remove the engine and drill a 3mm holes through the beam at each of the four marks made above. 3mm 3mm Marking sure that you drill the hole perpendicular to the beam of the engine mount. 19- Engine continued Siai Marchetti SF-260 3x25mm screw .......4 Washer .......4 3mm nut .......4 Reposition the engine on the engine mount beams, aligning it with the holes. Secure the engine to the engine mount using four 3x25mm screws. Note: Apply Silicon sealer to each of the 3x25mm screw and nut. 20- Fuel tank Checking for leaks - block the vents and blow into the feed - if in doubt submersing the tank in a blow of water will show up any problems. Blow To muffler Filler tube Rubber stopper Water To engine X 3x35mm screw 21- Electric Motor X 21A 3mm Using a aluminum motor mounting plate as a template, mark the plywood motor mounting plate where the four holes are to be drilled. 3mm 21B Remove the aluminum motor mounting plate and drill a 1/8”(3mm) hole through the plywood at each of the four marks marked . 21C Using a wooden motor mounting plate as a template, mark the fire-wall where the four holes are to be drilled. ! Align the mark on wooden motor mounting plate with the mark on the fire-wall. 22- Electric Motor continued Siai Marchetti SF-260 5mm 22A Remove the wooden motor mounting plate and drill a 5mm hole through the fire-wall at each of the four marks marked . 6x100mm bolt.....4 6mm nut..........12 6mm washer...16 22B Attach the four 6x100mm bolts and nuts to the fire-wall as shown. 6x100mm bolt 3mm bolt / nut...4 22C Secure the Motor to the wooden motor mounting plate using the four 3mm bolts. 22D SIDE-VIEW 140mm B FUSELAGE B’ ! Motor thrust on balk head is already adjust at factory B=B’ 23- Nose Gear (Electric retract and strut) 1.5mm 90 o Rudder servo Siai Marchetti SF-260 24- Nose Gear (Fixed gear) Siai Marchetti SF-260 Nose gear mount ..............1 3x15mm screw...4 3mm nut, washer...4 24A Place the nose gear mount onto the fire-wall and secure it in place using the four 3x15mm screws. Steering arm...1 4mm colar........2 24B Insert “z” bend of steering linkage inside the hole of front landing gear steering arm 24C Position the steering arm inside the front landing gear mount already. 24D Slide in the front gear leg with the flat to back through the bearing and steering arm. 90 o 24E Screw steering arm on the leg. Rudder servo 65mm diameter wheel 4mm colar 4mm colar 25- Servo and Linkage Siai Marchetti SF-260 Elevator pushrod 3mm set Screw Connector ................1 2mm ....................2 Elevator pushrod 2 mm X LINKAGE - IN CASE OF ELECTRIC MOTOR USING Elevator servo Rudder servo LINKAGE - IN CASE OF GLOW ENGINE USING 5mm Rudder servo Elevator servo Elevator push rod Rudder push rod Throttle push rod 26- Servo and Linkage Siai Marchetti SF-260 2.5x12mm self tapping screw ...........5 Cut off shaded portion 1.5mm 2mm 2.5mm self tapping screw 1.5mm 27- Decal O 70 STORMO SOCCORSO SOCCORSO RUOTARE LA MANOVELLA FAR SCORRERE IL TETTUCCIO RUOTARE LA MANOVELLA FAR SCORRERE IL TETTUCCIO RESCUE RESCUE TURN HANDLE SLIDE CANOPY TURN HANDLE SLIDE CANOPY O 70 STORMO O 70 STORMO SOCCORSO RUOTARE LA MANOVELLA FAR SCORRERE IL TETTUCCIO 70 STATIC PORT KEEP CLEAN ITALY AIR FORCE VERSION 26 28- Decal continued Siai Marchetti SF-260 06 RESCUE TURN HANDLE SLIDE CANOPY 206 STATIC PORT KEEP CLEAN USA. AIR COMBAT VERSION STATIC PORT STATIC PORT KEEP CLEAN KEEP CLEAN RESCUE RESCUE TURN HANDLE TURN HANDLE SLIDE CANOPY SLIDE CANOPY 206 206 RESCUE 206 206 06 06 06 06 TURN HANDLE SLIDE CANOPY RESCUE TURN HANDLE SLIDE CANOPY MARCHETTI SF-260 AIR COMBAT USA VERSION Note: Cut out the stickers and apply them in the proper area. Do not peel the backing paper off all at once. Peel off one corner of the backing and cut off with scissors. Arrange sticker on model and when satisfied adhere the corner without backing. Carefully peel back the rest of the backing while at the same time adhering the rest of the sticker. Try not to make air bubbles, if there are some, carefully puncture sticker (center of bubble) but not model surface with the tip of the knife or sharp pin and squeeze out the air. At curves stretch sticker and apply a little heat so that no ceases occur. ST-26 ONE MARKET ONE MAGAZINE ONE CHOICE DRIVE WITH CONFIDENCE GERMAN VERSION See at www.sf-260.de ONE MARKET ONE MAGAZINE ONE CHOICE DRIVE WITH CONFIDENCE Deutsche Post 29- Balancing Siai Marchetti SF-260 THE CENTER OF GRAVITY IS LOCATED BACK FROM THE LEADING EDGE OF THE WING, AT THE FUSELAGE. BALANCE THE PLANE UPSIDE DOWN WITH THE FUEL TANK EMPTY. CG 98mm 1- Mount the wing to the fuselage. Using a couple of pieces of masking tape, place them on the top side of the wing (98mm) back from the leading edge, at the fuselage sides. 2- Turn the plane upside down, lift the airplane. Place your fingers on the masking tape and carefully lift the plane. 3- If the nose of the plane falls, the plane is heavy nose. To correct this, move the battery pack further back in the fuselage. If the tail of plane falls, the plane is tail heavy. To correct this, move the battery forward or if this is not possible, stick weight onto the firewall. When balanced correctly, the airplane should level or slightly nose down when you lift it up with your fingers. LATERAL BALANCE: After you have balanced a plane on the CG, you should laterally balance it. Doing this will help the airplane track straighter. 1- Turn the airplane upside down. Attach one loop of heavy string to the engine crankshaft and one to the tail wheel wire. With the wing level, carefully lift the airplane by the string. This may require two people to make easier. 2- If one side of the wing fall, that side is heavier than the opposite. Add small amounts of lead weight to the bottom side of the lighter wing half’s wing tip. Follow this procedure until the wing stays level when you lift the airplane. DO NOT try to fly an out-of-balance model ! 30- Control throws 40mm RUDDER 40mm 20mm 20mm ELEVATOR Position for right diagram. 15mm 15mm AILERON 20mm Position for right diagram. FLAP IMPORTANT: Flying your model at these throws will provide you with the greatest chance for successful first flights. If,after you have become accustomed to the way the Siai Marchetti SF-260 flies, you would like to change the throws to suit your taste that is fine. However, too much control throw could make the model difficult to control, so remember, “more is not always better”. ">

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Key features
- 1630mm wingspan
- 1300mm length
- 3.9Kg weight
- 1000 Watt brushless motor
- 80A ESC
- Minimum 8 channel radio
- 7 servos
- 5300mAh 22.2v LiPo battery
- All-balsa and plywood construction
- Almost ready to fly
Frequently asked questions
1630mm
1300mm
3.9Kg
1000 Watt brushless motor
80A ESC
Minimum 8 channel radio
7 servos