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Congratulations on your purchase of the 3DHS 75" Edge 540 ARF! 

 

 

The original 3DHS 74" Edge 540 was a legendary airframe among devotees of  3D 
Aerobatics.  It was beloved due to its ability to be both stable and gentle for 3D newbies 
yet aggressive and satisfying for the more experience flyer.  Now the 3DHS Edge 540 has 
been updated to current specifications with generous use of carbon and composites to 
strengthen the airframe while keeping the weight low.  The cowl has been remodeled to 
the latest high performance racing design borrowed from the Edges that currently 
dominate the air race series.  Little has changed however in the basic aerodynamic 
package that the Edge is built around as it has more than proven itself.  The Xpwr 30 is 
the ideal complement for the Edge, its diminutive size and weight belying its brute 
strength and power!  Coupled with the Castle 80 or 120HV, 12S 3300-3700 mah high C 
rating batteries and a Xoar 20x8 PJN, the Edge has extreme power for any maneuver 
imaginable!

 

Items needed for completion: 

 

 

Masking tape. 

 

Hobby knife with #11 blades. 

 

Thin  and  medium  CA.  We  highly  recommend  Mercury  M5T  thin  and  M100XF 
medium formulas as well as the Mercury glue tips. 

 

30 minute epoxy. Pacer Z-poxy is a long time favorite. 

 

Pacer Formula 560 Canopy Glue 

 

Blue Loctite. 

 

Electric drill with an assortment of small drill bits. 

 

Flat head and Phillips head screw drivers. 

 

Standard and needle nose pliers. 

 

Side cutters. 

 

Metric ball driver or allen key set. 

 

Sanding block and sandpaper.

 

 

4 x METAL GEARED servos with a minimum of 300 oz/inches of torque. All flight 
testing was performed with MKS 1220 servos.  

 

Extreme Flight aluminum servo arms: 3 1.5 inch arms (2 for ailerons, 1 for elevator) 
and 1 3" dual arm for the rudder. 

 

2 x 6” Servos Extensions for the Ailerons.  

 

2 x 24” Servo Extensions for the elevator and throttle servo or ESC lead. 

 

Xpwr 30cc brushless outrunner motor 

 

Blazing Star Standard XL standoff kit for electric motor mounting 

 

Castle Creations 80 or 120 HV ESC. 

 

Receiver battery 

 

2-6S 3300-3700 mah LiPo battery hooked up in series for 12S operation 

 

Xoar 20x8 PJN electric prop. 

 

DA-35 with muffler if using a gas engine. 

 

EF 3.5" CARBON FIBER spinner with aluminum backplate. 

Summary of Contents for 75" Edge 540 ARF

Page 1: ...1 75 Edge 540 ARF Assembly Manual Copyright 2018 Extreme Flight RC ...

Page 2: ...onautics in order to be properly insured and operate your model at AMA sanctioned flying fields only If you are not willing to accept ALL liability for the use of this product please return it to the place of purchase immediately Extreme Flight RC Ltd guarantees this kit to be free of defects in materials and workmanship for a period of 30 DAYS from the date of purchase All warranty claims must be...

Page 3: ...inable Items needed for completion Masking tape Hobby knife with 11 blades Thin and medium CA We highly recommend Mercury M5T thin and M100XF medium formulas as well as the Mercury glue tips 30 minute epoxy Pacer Z poxy is a long time favorite Pacer Formula 560 Canopy Glue Blue Loctite Electric drill with an assortment of small drill bits Flat head and Phillips head screw drivers Standard and need...

Page 4: ...ays landing gear mount anti rotation pins wing and stab root ribs and motorbox joints 5 By the time your aircraft arrives at your door step it will have been handled by a lot of people Occasionally there are small dings or imperfections on some of the surfaces An effective method to restore these imperfections to original condition is to use a very fine tipped hypodermic needle and inject a drop o...

Page 5: ...over the slots for the aileron horn and aileron servo mount as shown Make sure you are doing this on the bottom of the wing and aileron 2 Scuff the portion of the horn that will glue into the aileron and secure with 30 minute epoxy Wipe away any excess glue with an alcohol soaked rag Insert the ball link between the horns to ensure proper alignment while the glue dries ...

Page 6: ...en slide the aileron into position Make sure the aileron is seated properly with minimal gap between the wing and aileron and wipe away any excess glue with an alcohol soaked rag Pay careful attention to wipe any excess glue from the hinge knuckle Set the assembly aside to dry Once dry the aileron movement may feel a bit stiff A drop of Acetone placed on the knuckle of each hinge will help to free...

Page 7: ...th for taut covering and any lifting seams that need attention with a hot iron or heat gun Give a good tug on the aileron to make sure all is secure then clean the wings with a soft cloth and Windex and set aside Fuselage Assembly 8 Locate the carbon fiber landing gear and mounting bolt set in the hardware bag Insert each bolt into a washer through the carbon gear and fuselage and secure with a ny...

Page 8: ...ding gear cuffs to the carbon gear legs and mark their location Remove the cuffs and apply a bead of Silicon based Goop glue completely around the gear leg as shown Slide the cuffs into place and secure with tape until dry ...

Page 9: ... with a wheel collar 11 Place the threaded portion of the axle through the hole in the landing gear and secure with the lock nut and washer Slide the wheel pant into position over the axle and secure with the provided 3mm bolt You may need to enlarge the hole in the wheel pant with a Dremel tool to fit over the axle bolt ...

Page 10: ...ght location 13 Remove the covered wooden block from behind the stab slot and trial fit the stab into the self aligning slot Confirm alignment with the main wing tube Once satisfied with fit and alignment mix up a batch of 30 minute epoxy and apply to the stab center Slide into position and reconfirm alignment Wipe away any excess glue and set aside to dry ...

Page 11: ...11 14 Once the stab elevator assembly is dry glue the covered balsa block back in place with medium CA or epoxy ...

Page 12: ... slots in the rudder and to the center of the control horns Slide the control horns into position and measure to be sure they are centered Place a ball link and 3mm bolt into position to maintain proper spacing between the 2 horns Apply epoxy to the 2 base plates and slide into position Remove any excess glue with an alcohol soaked paper towel recheck alignment and set aside to dry ...

Page 13: ...Drill a hole in the bottom of the rudder to accept the shank of the ball link included in the tailwheel assembly hardware bag Glue it in place with epoxy Once dry install the tailwheel assembly as shown making sure the pivot point is aligned with the rudder hinge line 19 Install the rudder servo in the provided location within the fuselage ...

Page 14: ... fitting as shown and crimp the aluminum tube in multiple places with a crimping tool or side cutters Trim away any excess cable Repeat for the second cable Screw the ball link half way onto the brass fitting to allow for adjustment once installed 21 Insert the bare end of the wire into the tube in the rear side of the fuselage and feed it through to the rudder servo Secure the ball link to the co...

Page 15: ... 30 as well as the DA 35 Drill at the correct location for your choice of power plant If using an alternative motor engine simply download the mounting template from the engine manufacturer s website and align with the centering marks on the firewall and drill the appropriate holes ...

Page 16: ...et Distance from firewall face to spinner backplate is 6 41 or 163mm 24 There is a designated location on the bottom of the motorbox to mount your ESC Be sure to secure the motor wires to prevent chafing 25 For detailed pictures of a gas engine install please see pages 10 12 in the 74 Slick 580 manual located here http extremeflightrc com assets images products EF 74Slick Manual 74_slick_manual_we...

Page 17: ...locate the clear motor baffles Using a pair of scissors cut the assembly in half and trim If you decide to paint the baffles be sure to avoid getting paint on the part that glues to the cowl Glue the baffles in place with Goop or epoxy ...

Page 18: ...mer and into the blind nuts in the cowl Be sure to put a drop of blue Loctite on the bolts 28 Attach a 24 servo extension to the elevator servo and secure with EF servo clips or heat shrink tubing Use the hardware provided with the servos to install the elevator servo on the left side of the fuse with the output shaft toward the front of the aircraft Assemble the elevator linkage as shown using th...

Page 19: ...ions to make a tidy setup 30 The wings are retained by inserting a 4MM bolt and washer through the tabs on each wing at the side of the fuse just behind the wing tube Make sure the wings are pushed all the way in so the holes in the tab and fuse line up Take care not to cross thread the bolts ...

Page 20: ...acing tips or both now is the time to mount them They are secured with 2 3mm bolts threaded into the blind nuts in the wing tips 32 Secure your flight batteries with heavy duty Velcro straps I have had great success using the Velcro brand One Wrap product ...

Page 21: ...ed feet before slowly starting to level off Adjust the position of your batteries to achieve this flight condition Once satisfied with the location of your CG scribe a mark on the battery tray so that you can position the batteries in the same location each flight and achieve the same feel and flight characteristics each flight I also highly recommend taking the time to properly set up your rates ...

Page 22: ...ne Wet Wax AS U DRY available in the automotive section of most Wal Marts K marts Sears Targets etc People often ask me at trade shows how I get the planes to look so shiny this is my secret You may wish to apply all of your graphics before applying the coat of wax Thanks again for your purchase of the 3DHS Edge 540 ARF I hope you enjoy assembling and flying yours as much as I have mine See you at...

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