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Wild Hare R/C  

Edge 540T 28% 

Extra 300LX and Extra 300 Special 28% 

Assembly Manual

 

For assistance contact Wild Hare R/C 

8608 Doral Court, Flower Mound Texas 75022 

817-430-0107 Fax 817-490-1279 

Email support@wildharerc.com 

Copyright © 2004 by Wild Hare Hobbies, Inc. All rights reserved. 
 

Preliminary edition rev. 1.08 June 25, 2004 

please report errors to tom@wildharerc.com 

Summary of Contents for Edge 540T

Page 1: ...For assistance contact Wild Hare R C 8608 Doral Court Flower Mound Texas 75022 817 430 0107 Fax 817 490 1279 Email support wildharerc com Copyright 2004 by Wild Hare Hobbies Inc All rights reserved Preliminary edition rev 1 08 June 25 2004 please report errors to tom wildharerc com ...

Page 2: ...ser of the final user assembled prod uct By the act of using the user assembled product the user accepts all resulting liability If the buyer is not prepared to accept the liability associated with the use of this product the buyer is advised to return this kit immediately in new and unused condition to the place of purchase While this kit has been flight tested to exceed normal use if the plane w...

Page 3: ...1650 mah total Switch es for receiver batteries Miscellaneous servo extensions High strength pushrods carbon fiber reinforced suggested Gasoline resistant fuel tank and lines with filler system 3 5 inch wheels for main landing gear 1 5 inch tail wheel 3 16 inch axles for main landing gear 3 5 spinner Rocket city 69D or similar control horn set 3 sets required Please remember this is a big airplane...

Page 4: ...ank either Dubro or Great Planes plus tygon line tee and fuel dot Many miscellaneous small parts such as nuts washers horns springs etc Spinner The Edge requires a 3 1 2 spinner Wild Hare normally keeps Dave Brown Vortec spinners in stock they are cut to fit a large prop such as a 22 10 Menz and may be available drilled for a DA 50 or ZDZ 50 Switches The Edge has holes laser cut in the fuse sides ...

Page 5: ...t balance 14 Control throw adjustment Appendix Quick Start Guide and tips for the very experienced builder These Items require user supplied materials and creativity These steps as sume that the user will be installing mounts retainers and other assemblies to suit his particular building style For example no servo mount is supplied for the throttle we have no way of knowing what type of engine you...

Page 6: ...that The hinges for the rudder are in the hardware pack We have had good luck with Pro bond Ultimate and Gorilla glue both of which are glues that expand as they dry cure and fill the voids in the hinges and their sockets The wings and ai lerons are made of sheeted foam so be sure not to use any type of glue which might dissolve the foam Check everything for shipping damage and or manufacturing de...

Page 7: ...gear for the 28 Ex tra and Edge This gear will save about 4 oz weight over the stock aluminum gear More im portantly it is very resilient It can flex on a hard landing and return to it s shape without per manently deforming It is available painted red for Extras yellow for Edge or unpainted If you fly off rough ground or are prone to hard landings this may be a useful addition Hardening holes The ...

Page 8: ...ge up on its tail so that the motor mount is pointing at the ceiling Secure the fuse so it stands like that and wont fall over I wrap masking tape around it and tape it to the side of the workbench Note that the firewall already has a proper amount of right thrust built in do not use any other offsets Set the engine on it s rear radial mount assuming it has one on the motor mount firewall so the c...

Page 9: ...the cowl Mount the cowl using the supplied screws and washers Place your spinner back plate over the crankshaft or prop bolt so that it is centered You can now just move the engine around by hand reach in from behind the engine to get the spinner back plate centered on the cowl face Once the spinner back plate and engine are in the right position remove the cowl and remove the engine from the wood...

Page 10: ...he spinner back plate fits per fectly Remember that the firewall is already set with proper thrust angles any drilling must be square to the firewall and not parallel with the fuse lage line Like I said the rest is very easy ...

Page 11: ...oom for the hinge knuckle so there is no large gap between surfaces The hinge lines are beveled The point of the bevel should be at the center of the hinge pin this as sures that the hinges are aligned and centered on the hinge line Once you are certain that they all go together smoothly take one surface and remove the hinges Glue the hinges into the holes securely using the glue you prefer Many p...

Page 12: ... this on both elevators and both ailerons For the rudder you may wish to wait until later to do the final installation of the rudder it makes it easier to handle the airplane To make the rudder removable it is possible to remove the hinge pin from each hinge grind off the recessed end and push the pivot out and one or two piece of wire as the pivot on all the hinges Use the largest wire that will ...

Page 13: ...e in the fuse side by putting some thin CA into the hole Install a 4 40 blind nut in the backside of the tab Use a 1 long 4 40 screw I like allen bolts because if a screwdriver slips it will usually poke a hole in the covering through the fuse into the retaining tabs to secure the hatch to the fuse Trim the canopy to fit the hatch Leave a small lip in the front it makes the attachment more secure ...

Page 14: ...r servos but don t cut out the rudder servo covering yet Slide the spar through the fuse and slide the stabilizers onto the tubes from each side Retain the stab to the fuse with two 4mm bolts washers and lock washers I advise you to use washers and lock washers or a little blue loctite on the threads Don t use a lot and don t use red loctite or you won t be able to get the screws out without teari...

Page 15: ...gh the hard point in the aileron and elevator with a 9 64 drill Also drill the upper hard point in the rudder with the 9 64 drill save the lower one for later Countersink the drilled holes in elevators and ai lerons on the top On ailerons and elevators install the 8 32 stud from the top screw it all the way in until it is snug Install the rest of the horn assembly from the bottom Or Another way to...

Page 16: ...hreads on each side of the rudder Once the stud is installed cut the head off with your Dremel After the tiller bar is installed if you need to adjust the position you can do this without damaging it by double nutting two 8 32 nuts and use a wrench to turn the stud into the hard point Now install the horns exactly the same distance from the rudder surface If using the DuBro horn set for this you s...

Page 17: ...hes the servo tray You can use a piece of wire with a hook to fish through the hole and pull the servo pigtail through Be sure the extension is long enough to reach the receiver Also be sure the servo extension is se curely attached to the servo lead If you bought our hardware kit there are small plastic re tainer clips included for this purpose 3 Rudder servo Do this last after everything else is...

Page 18: ... every potential throttle layout for every engine so I have included photos of two typical installations The one above is for a DA 50 with rear carb but pre sumably could apply to any rear carb engine No tice that all we did is add two lite ply supports be hind the motor box Another installation is shown below this is a G62 which has a side carb setup This photo does not show the choke installa ti...

Page 19: ...lage former edge Drill one of these holes through the aluminum bracket and mount the landing gear with 4mm screws and lock nuts Then use the landing gear as a template and drill the remaining holes as well and use 4mm screws and locknuts there also Keep the front edge of the gear parallel with the front former To mount the wheel pants you simply drill through the back of the landing gear and throu...

Page 20: ... location The location shown in the picture is convenient and will just clear the wing when it is installed If you do cut into the fuse side for any reason do not cut the 1 4 balsa stringers at the top and bottom of each side 2 The fuel tank can be mounted on the tray beneath the wing tube Putting it there mini mizes changes in balance as the engine burns off fuel 3 There are two trays which are m...

Page 21: ...his hardware is included in our optional hardware kit First set up your linkage using the clevises and the 4 40 all thread cut to the proper length You can make all your pushrods at once so get all those rods set to the right length If you use a metal clevis be sure the pushrod goes all the way into the threaded section plus a little to allow a range of adjustment With plastic clevises like Dubro ...

Page 22: ... aluminum tube more than 3 from either end of the tube The wings mount to the fuselage with one 4mm socket head screw on each wing through the fuselage side You can also drill the antirotation dowels to accept hairpins for safety see photo Use no larger than a 1 16 drill and pin to avoid weakening the dowel Do not rely on the dowels alone they are not meant to be used as permanent retainers but wi...

Page 23: ...at might be adding weight get a lighter tailwheel heavier ignition bat tery Remember that the farther weight is from the CG the less of it you will need A small weight on a long arm makes a big difference A heavy spinner has more effect that a bigger battery because it is farther from the CG Your flying style may require a different balance point but this is a good safe starting point When making ...

Page 24: ...ause instant stalling tumbling and all sorts of other things that can only be done at low speeds Do not use the 3d settings until you are thoroughly familiar with the plane on low rates High rate 3D Low rate Ailerons 23 deg 16 deg Elevators 40 deg 12 deg Rudder 45 deg 25 deg Fly the plane on low rates at first At high 3d rates it is very difficult to fly The 3d rates are intended only for extreme ...

Page 25: ...ce You can use pull pull if little or no tail weight is needed otherwise there are two servo mounts in the tail for rudder servos if the plane is nose heavy Use a backup engine kill device besides the throttle I use a servo to actuate the choke which can also be used to kill the engine but a kill switch is a good solu tion also Balance the plane carefully If you fly it tail heavy it can be beyond ...

Page 26: ...control surfaces have pre drilled hard points to accept rocket city type horns The rudder has two hardpoints the upper one is for the rudder tiller and the lower one is used to steer the tailwheel A 6 32 tiller is sufficient in that po sition Two springs are supplied for this purpose 7 Servo installation should be obvious Elevator servos trays are located in the tail below the horizontal stab Rudd...

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