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arf EXTRA300L, Instruction Manual, Page: 25 / 37

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arf EXTRA300L Instruction Manual Download Page 25

 

 

 

 

2.

 

Bolt the main gear to the bottom of the fuselage using the supplied screws and 
stainless steel

 

Self-locking nuts.    Place the bolts in through the can tunnel 

opening with appropriate size spanner.    Remember the gear will rake forward. 

 

 

 

3.

 

Adjust the position of the landing gear fairings, the secure with glue (shoe goo 
type). 

 

 

 

 

Summary of Contents for EXTRA300L

Page 1: ...ARF MODEL EXTRA300L 20CC V2 Instruction Manual This plane is designed for electric motor gas engine ...

Page 2: ...new C F Tail wheel assembly 9 Flat nylon hinges for better flying strength 10 Include Side Force Generator s SFG 11 Air exit opeing behind the rudder servo for electric set ups 12 This V2 new design with a longer fuselage moment arm aids the tracking of the model giving it rock sold precision flight Making it perfect for modern day flight schedules for IMAC and Freestyle competitions A QUICK WORD ...

Page 3: ...ter modifications and usages If you have any questions or find any issues please contact the distributors in your area SPECIFICATIONS Wing Span 67 1 2 1715mm Length 66 1680mm Wing Area 927sq in 59 8sq dm Flying Weight 8 8 8lbs 3600 4000g Engine 70 91 2C 91 110 4C 20 26cc gas Electric Power KUZA EXM4130 KV350 with 6S 3800 44000mAh 17x8 or 18x8 prop KUZA EXM4130 KV280 with 8S 3300 37000mAh 17x8 or 1...

Page 4: ...C canopy Power by Electric motor Gas engine Larger aileron and elevator design for excellent 3D aerobatic flying The air exit for the electric set up still needs to be inside the fuselage behind the rudder tray Include Side Force Generator s SFG Servo extension safety connector clips ...

Page 5: ...High performance cap head screws Flat nylon hinges for better flying strength High quality 2 5mm ball links assemblys New Fiberglass horn assembly ...

Page 6: ...quality durable rubber wheels Improved new Axle the material of Axle is stainless steel Two options for landing gear Anodized 6061 Aluminum or Carbon fiber Carbon fiber landing gear 6061 Aluminum landing gea ...

Page 7: ...New Carbon fiber tail wheel assembly Carbon fiber wing tube Canopy extended into cowl Quick release canopy latch ...

Page 8: ...Honeycomb Board carton packing for safer transportation Scheme A Silvery red black Scheme B White blue black ...

Page 9: ...Scheme C White blue red ...

Page 10: ...erons and elevators Appropriate servo arms for the above Servo wire extensions recommends five 12 Two switches with charging jacks for the Rx Two high quality Rx batteries of significant capacity to power your choice of servos One Receiver of your choice Shop Supplies Tools Covering Iron and heat gun Assortment normal hobby tools such as screwdrivers hobby knife drill and drill bits pliers etc Thi...

Page 11: ...surface Be sure you go over all seams and edges of the covering to assure it is secure to the airframe and other covering Be careful not to apply too much heat or you may cause bubbles or damage to the covering A heat gun may also be used along with a soft cotton cloth to shrink and adhere the covering Again be extremely careful when using a heat gun 2 Be sure to seal any exposed wood with a thin ...

Page 12: ...lerons and elevator 1 dual horns for rudder There is a layer of protection film on the horns Please remove the film as shown following picture Make sure to sand the horns to keep its strength Pushrods Two 2 5x60mm for aileron Two 2 5x110mm for elevator you have option to use one or two servos ...

Page 13: ...Ball links 8 for aileron and elevator Pull pull setup for the rudder 5 Servo extension safety connector clips New Carbon fiber tail wheel assembly ...

Page 14: ...Screews for landing gear 4 4x20mm Hexagon bolts 4mm stainless steel Self locking nuts washers Screews Washers for cowl 4 2 5x12mm Hexagon socket screws 4 PTFE Washers 4 Hexagon socket screw wrenches ...

Page 15: ...es better Using a sharp hobby knife cut the covering away from the slots in the rudder and trial fit the control horns 2 Mix up some 30 minute epoxy and coat the inside of the slots and the center of the control horns Hint a scrap piece of 1 16 ply tooth pick or old hobby blade can be used to coat the inside of the aileron slots Slide the control horns in place and make sure they are centered perf...

Page 16: ...e side of the hinges Install this end into the slots of the rudder and make sure each hinge is properly aligned at exactly 90 degrees to the hinge line 6 Now coat the other end of the hinges with epoxy and install the aileron into the trailing edge of the wing Again make sure the hinges remain in proper alignment Using paper towels and some isopropyl alcohol clean off any excess epoxy from the hin...

Page 17: ...n place 9 Use your radio to set the centers of each servo and then assemble and adjust the length of each control rod The servo arm should be as close to perpendicular to the control rod as possible while the aileron is at neutral Double check all screws bolts and nuts to assure proper installation and operation without binding Once satisfied permanently attach the ball link to the servo arm with ...

Page 18: ...s of different planes in this manual however this plane s elevators is assembled the same way 1 Cut the covering over the hole for elevator on the fuselage Glue the elevator to the fuselage Make sue it s centered 2 Glue the hinge for the elevator the same way as the main wings ...

Page 19: ...cular 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 Below long ALU arm is not included 4 To install the horizontal stabilizers you first need to install two 12 servo wire extensions in the fuselage so that they extend from the radio compartment to the aft openings 5 There is an opti...

Page 20: ...re connected Tail Wheel Installation 1 Start tail wheel assembly installation For safety please remove all screws and then re assemble with thread locker 2 Drill 2 mm holes on the bottom rear of the fuselage 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 ...

Page 21: ...ecure the tail wheel spring with provided self threading screw Rudder Assembly NOTE There are pictures of different planes in this manual however this plane s rudder is assembled the same way 1 Install the fiberglass control horns in the same way as you did the elevator horns ...

Page 22: ...second time Using a set of crimping pliers place three crimps 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 4 Thread the couplers about half way into the ball links of the rudder Hint remove the ball links from the rudder h...

Page 23: ...hrough the brass tube Loop the cable back through the brass tube 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 coupl...

Page 24: ...in this manual however this plane s landing gear is assembled the same way 1 Locate the 2 fiberglass landing gear fairings and the black silicone tubing Cut through one wall of the tubing along the length Press the tubing onto the edges of the fairing as shown and secure glue ...

Page 25: ...the supplied screws and stainless steel Self locking nuts Place the bolts in through the can tunnel opening with appropriate size spanner Remember the gear will rake forward 3 Adjust the position of the landing gear fairings the secure with glue shoe goo type ...

Page 26: ...el axles to the landing gear and tighten the nylon insert lock nut Install one wheel collar onto the axle Use a second wheel collar as a guide to leave a gap on the inboard of the axle Use a small drop of thread lock and tighten in place Slide the wheel onto the axle and install a second wheel collar also using thread lock on the set screw ...

Page 27: ...read lock to secure the screws in place Repeat the above steps for the other main gear Motor Installation 1 This EXTRA is designed for brushless motor gas engine It can also be flied with nitro engine 2 If you use brushless motor there is an adjustable motor mount in the package ...

Page 28: ... install the motor Adjust the motor mount to fit the cowl 4 After adjusting the motor mount to the right position lock the 4 screews unscreew them apply 30 minute epoxy and tighten the screws to the previously found position 5 Fix the battery with Velcro ...

Page 29: ... planes in this manual however this plane s cowl is assembled the same way 1 Test fit the cowl first make sure it fits well with canopy and fuselage 2 Drill 2mm holes on cowl and fuselage 3 Secure the cowl with 2 5X12mm self threading screws and PTFE washers ...

Page 30: ...gardless of where you mount your batteries it is vital that they are very secure with no possibility of coming loose Use double sided velcro to hold the batteries from sliding around and then use zip ties or velcro straps to secure them tightly in place 5 Servo and battery leads are the life blood of your aircraft Make sure all wires are top quality and connectors are tight and display no loose pi...

Page 31: ... control surface deflections Low Rate High Rate Elevator 15 degrees 45 50 degrees Rudder 25 degrees 40 45 degrees Ailerons 25 degrees 35 40 degrees FINAL ASSEMBLY AND PRE FLIGHT INSPECTIONS 1 Before arriving at your flying field be sure all your batteries are properly charged and all radio systems are in proper working order 2 Install the wings onto the fuselage being careful to align the wing tub...

Page 32: ... stabilizers install them once again and check all bolts and connections 7 Check all control surfaces for secure hinges by performed a slight tug on the control surfaces and observing if there is any give in the hinges Check all control rods ball links servo screws etc for proper operation and installation 8 Check your batteries and perform a proper range check once again with the engine off and r...

Page 33: ...ervo arm For Futaba servo 25T 39mm 1 5in Single No KAG0S72F 84mm 3 25in Dual No KAG0D72F For Hitec servo 24T 39mm 1 5in Single No KAG0S72H 84mm 3 25in Dual No KAG0D72H For JR servo 23T 39mm 1 5in Single No KAG0S72J 84mm 3 25in Dual No KAG0D72J ...

Page 34: ... KUZA new Wingbag for 20CC Two color to choose red black blue silver No KAG0092 3in C F Spinner with Alu base No KAG0126 ...

Page 35: ... 3in C F spinner for Nitro Gas No KAG0134 3in Nylon Spinner No KAG0187 5 Color Red White Blue Black Yellow 3in Nylon Spinner with Aluminium Backplate No KAG0197 5 Color Red White Blue Black Yellow ...

Page 36: ... 3in Aluminium Backplate Hollowed out Spinner for electric No KAG0205 5 Color Red White Blue Black Yellow ...

Page 37: ......

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