CORVUS 70E V2 Instruction Manual Download Page 1 | Manualshive

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ARF® MODEL

Corvus Racer 70 Electric V2

Instruction Manual

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Summary of Contents for 70E V2

Page 1: ...ARF MODEL Corvus Racer 70 Electric V2 Instruction Manual ...

Page 2: ...y Side Force Generators SFG included Air exit opeing behind the rudder servo for electric set ups Longer tale moment improves tracking of the airplane giving it rock solid precision flight SAFETY ISSUES OF RADIO CONTROL FLYING MODELS With radio control aircraft like any hobby or sport there are certain risks The operator of these models is responsible for these risks If misused or abused you may c...

Page 3: ...cations and Recommended Power Setup Wingspan 59 1500mm Length 57 1450mm Wing Area 741sq in 47 8sq dm Flying Weight 4 8 6 lbs 2200 2700g Electric Power Setup Hacker A40 10S with 4S 3300 4200mAh 14x7 prop Hacker A40 12S with 5S 3000 3700mAh 13x6 5 prop Hacker A40 12S with 4S 3300 4200mAh 14x7 prop Hacker A40 14S with 5S 3000 3700mAh 14x7 prop DUSKY XM5050EA 9 6S 3300 4400mAh 15x8prop or other 1000 1...

Page 4: ...ARF MODEL Larger ailerons and elevator designed for extreme 3D aerobatic flying Air exit opeing for cooling Side Force Generator s SFG Included Canopy extended into cowl for easier battery access ...

Page 5: ...ARF MODEL Quick release canopy latch Light weight C F tail wheel assembly High quality durable rubber wheels Improved new wheel axle stainless steel ...

Page 6: ...ARF MODEL Landing gear options anodized 6061 Aluminum or carbon fiber Carbon fiber Anodized 6061 aluminum Honeycomb Board carton packing for safer transportation ...

Page 7: ...ARF MODEL Scheme A white yellow black ...

Page 8: ...ARF MODEL Scheme B red white black ...

Page 9: ...cro and Velcro strap for battery retention Note please read all the instructions before you begin construction Handle the parts of this kit with care so you do not damage any of the structure or covering Inspect all the parts for any shipping damage and report any issues to as soon as you can Make sure you have a flat and sturdy workbench and follow all safety advice for the tools and adhesives yo...

Page 10: ... large hinge gaps Aircrafts that utilize a very tight double beveled hinge line and do not normally require this step Sealing the hinge gaps is therefore left as an option formodellers Please verify the accessories before assemble 4 fiber glass servo horns 2 single horns for ailerons and 2 for elevators if you choose to use single servo to control elevators you only need to install one control hor...

Page 11: ...ARF MODEL Pull pull hardware set for rudder Ball links 8 for aileron and elevator 4 Servo extension safety connector clips ...

Page 12: ...ARF MODEL Main rubber wheels 2 Pcs Stainless steel Axle kits 2 Pcs Tail wheel assembly Side force generators mounted with four 3x12mm Hexagon bolts 2 Washers ...

Page 13: ...ARF MODEL 4 3x16mm hex head bolts for landing gear mounting Screws for cowl 4 3x12mm tapping screws Motor mounting hardware set 3 Hex keys ...

Page 14: ...e bottom side of the aileron Insert control horn into base plate then into the slot trace the edge of base plate with hobby knife then remove the underlying covering 1 3 Use some fine sandpaper to roughen up the root of control horn where will be glued into the slot 1 4 Fill the slot and coat the root of control horn and the bottom of base plate with 30 minute epoxy insert the horn into the slot p...

Page 15: ...ing full deflection of the aileron When satisfied apply more think CA on both top and bottom sides of each hinges 1 6 Cut the covering from the aileron servo slots from corner to corner and iron down inside the openings Connect servo wire extensions to your servos and secure the connections with the supplied clips Feed the servo wires into the wing and out the root The screw holes for servo mounti...

Page 16: ...8 Check the final radio operation of the ailerons and make sure there is no binding or servo fighting of each other Also check to make sure all linkage bolts and nuts are secure 1 9 Repeat this process for the other wing half 2 Landing Gear Installation 2 1 Locate the landing gear set 2 2 Install the wheel axles to the landing gear and tighten the nylon insert lock nut Install one wheel collar ont...

Page 17: ...ARF MODEL 2 3 Fit the wheel pant in place and install using the two supplied screws Use thread lock to secure the screws in place Repeat the above steps for the other main gear ...

Page 18: ... note that if you are using dual servos you need to install horns on both elevator halves if you are using signal servo install horns on one side only 3 2 Remove covering over the hole for horizontal stabilizer on fuselage Removing covering on the central part of horizontal stabilizer is recommended for better glue bonding Insert the horizontal stabilizer into fuselage make sure it s centered Appl...

Page 19: ... need to be connected by the included fiberglass bar with glue as shown below The picture is for illustration only Actually the connection of the 2 parts needs to be performed before the hinges are connected 3 5 Locate the slots for elevator servo s remove covering Connect wire extension to your servos before feeding the wire into fuselage Install servo s with screws supplied by servo manufacturer...

Page 20: ... servo arm and control horn The servo arm should be as close to perpendicular to the control rod as possible while the elevator is at neutral Double check all screws bolts and nuts to assure proper installation and operation without binding 4 Rudder Assembly 4 1 Locate pull pull linkage set for rudder 4 2 Install the double arm fiberglass control horns in the same way as you did the elevator and a...

Page 21: ...ght enough to securely hold the wire in place Cut off the excess cable with wire cutters Wick thin CA into the brass tube to help hold the cable secure Repeat for the other cable 4 5 Thread the couplers about half way into the ball links of the rudder Hint remove the ball links from the rudder horn first to make this step easier and then re install once the couplers are threaded on Feed the loose ...

Page 22: ... as before and crimp the brass tube three times just tight enough not to cut the brass tube but enough to securely hold the wire in place Cut off the excess cable with wire cutters Wick thin CA into the brass tube to help hold the cable secure Repeat for the other cable Hint Once you have established the position of the threaded coupler on the cable you can remove the ball link from the rudder hor...

Page 23: ...uselage secure the tailwheel bracket with the provided screws For best results the pivot point of the assembly should be over the hinge line of the rudder 5 4 Drill a hole on the bottom of rudder 70 100mm away for the hinge line Secure the tail wheel spring with provided self threading screw 6 Motor Mounting 6 1 Find the hardware set for motor installation in the hardware package ...

Page 24: ... nuts behind the firewall 6 3 Since the position of cowl is fixed and length of motors vary you may need to use provided washers and wood crosses to position you motor properly 7 Cowl Installation 7 1 Test fit the cowl first make sure it fits well with canopy and fuselage ...

Page 25: ... care is vital to the safe and reliable operation of your aircraft Follow the manufacturer s instruction for installation guidance of receivers and batteries paying attention to factors such as vibration isolation adequate cooling and clearances 8 2 Mount your reciever s securely in a location which provides a clean and maintenance free solution to your setup All servo wires should be neatly route...

Page 26: ...ange according to the radio manufacturer s instructions both with the engine off and running 9 Balancing and Pre Flight Most state of the art aerobatic aircraft allow for a wide margin for balancing depending on what level of precision or freestyle the pilot prefers To perform properly without being too pitch sensitive you must not go too aft on the CG We recommends an initial CG setting of 92 109...

Page 27: ...but will loosen some with use Guide your servo wires into the fuselage openings and connect to the proper aileron channels Servo clips are recommended Once you have the wings fully seated in the fuselage tighten the wing bolts inside the fuselage 10 3 Side force generators Assembly cut the wing film needed to be instal the SFG Fixed the SFG Use M3X12 Hexagon socket screw and washers 10 4 If you ha...

Page 28: ...hinges Check all control rods ball links servo screws etc for proper operation and installation 10 6 Check your batteries and perform a proper range check once again with the engine off and running Be sure all surfaces are moving in the correct direction and the proper amount for your flying setup Accessories Wingbags for 70E ORANGE SILVER Not included ...

Page 29: ...ARF MODEL 2 1 4in CF spinner Not Included ...

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