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83" MXS ARF 

Instruction Manual

 

 

 

 

 

Copyright 2012 Extreme Flight RC 

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Содержание RC 83 inch MXS ARF

Страница 1: ...83 MXS ARF Instruction Manual Copyright 2012 Extreme Flight RC 1 ...

Страница 2: ...Aeronautics 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...

Страница 3: ...mance aircraft possible You will notice there is a box built into the bottom of the glow gas version of the MXS fuselage This is a pipe tunnel and will accommodate most canister mufflers and tuned pipes sold for the current makes of 30 40cc gas engines The performance ability of the Extreme Flight RC MXS is phenomenal This sleek fast and agile airframe is completely unlimited in its ability to per...

Страница 4: ... and Phillips head screw drivers Standard and needle nose pliers Side cutter Metric ball driver or allen key set Sanding block and sandpaper 5 x METAL GEARED servos with a minimum of 300 oz in of torque Aluminum Servo Arms 2 x 1 75 single arms 2 x 1 5 single arms and 1 x 4 double arm 2 x 6 Servos Extensions 2 x 12 Servo Extensions 2 x 36 Servo Extensions 76mm Spinner Gas Glow version 1 40 1 80 cla...

Страница 5: ...ethod to restore these imperfections to original condition is to use a very fine tipped hypodermic needle and inject a drop of water under the covering material and into the ding in the wood Apply heat to the area with a sealing iron and the imperfection will disappear Deeper marks may require that this process be repeated a couple of times to achieve the desired result but you will be surprised a...

Страница 6: ...ge Use a sharp 11 blade to make a cut in the covering over the 2 slots for the elevator control horns on the bottom of the elevator surface 2 Insert the 2 control horns into the base plate and trial fit the horns into the slot making sure they seat properly against the base and elevator surface If necessary sand the bottom of horns to ensure proper fit in the elevators 6 ...

Страница 7: ...3 Trace around the base plate with a felt tipped marker 4 Remove the horn assembly and use a 11 blade to remove the covering from inside the ink line you traced around the control horn base 7 ...

Страница 8: ...5 Wipe away the ink line with a cotton cloth or paper towel soaked in denatured alcohol 6 Use sandpaper to scuff the portion of the horns and base plate that will be inserted into the elevator 8 ...

Страница 9: ...7 Apply 30 minute epoxy to the elevator slots G 10 horns and base plate bottom Use a zip tie to ensure the slots are filled will epoxy 9 ...

Страница 10: ...e to dry Repeat for the other elevator half 9 Next remove the pin hinges from the horizontal stabs Take note that one pin is shorter than the others this is to allow for clearance of the stab tube Note There are several methods and adhesives that can be used for installing the hinges We will describe the way we do it as this method has proven itself over many years of model building 10 ...

Страница 11: ... knuckle of the hinge This will keep the epoxy from getting into the hinge which can cause it to bind 11 Mix a generous batch of 30 minute epoxy Use a zip tie or an old pushrod to thoroughly coat and fill the hinge holes on the stab AND elevator with epoxy 11 ...

Страница 12: ...12 Next coat one side of all 3 hinges with epoxy and push the hinges into the holes of the elevator Remember the short hinge goes in the hole closest to the fuse 12 ...

Страница 13: ...e of the hinges with epoxy and install the elevator into the stab making sure the hinge pins are centered in the hinge gap Don t forget to apply epoxy in the hinge holes on the stab before installing the stab to the elevator 13 ...

Страница 14: ...t the surface aside to dry After the hinges have dried thoroughly pull on them to make sure they are properly installed Repeat this process for the other stab elevator half Note Now is a good time to seal the hinge gap with a strip of Ultracote or Blenderm tape Be sure to fully deflect the control surface when sealing the gap to allow for full deflection once the gap is sealed 14 ...

Страница 15: ...from the elevator hardware package Following the same procedure as outlined with the elevator stabs install the control horns and hinges for both wings Each wing has 5 hinges so it s best to install the hinges in the aileron first then mix a second batch of epoxy to install the aileron hinges to the wing 15 ...

Страница 16: ... the control surface when sealing the gap to allow for full deflection once the gap is sealed Also take a few minutes to go over the wings with a trim iron on a medium heat to seal all the trim seams and remove any wrinkles in the covering Use caution and avoid excessive heat as you may cause the Ultracote to shrink too much and lift at the seams 16 ...

Страница 17: ...servo opening Take a few minutes to apply some CA to the joints of the servo rails and the ribs 17 Attach a 6 servo extension to your servo and secure with thread or heat shrink tubing Use the manufacturer supplied mounting hardware to install the servo with the output shaft toward the trailing edge of the wing Electronically center the servo 17 ...

Страница 18: ... supplied 3mm bolts washers and nylon insert locknuts as shown in the picture below As always use blue Loctite on ALL bolts 19 Use a soldering iron or a sharp 11 blade to remove the covering from the blind nuts on the wing tip This is for attaching the SFG s or Racing Tips Note Repeat this process for the other wing Clean the wings with Windex and set them aside 18 ...

Страница 19: ...th the elevators use a sharp 11 blade to remove the covering from the 2 pre cut slots in the rudder 21 Before applying epoxy measure the control horns to ensure they are centered properly and mark their location with a felt tipped marker This will make it easy to reinstall control horns when epoxy is applied 19 ...

Страница 20: ...of the horns that will go into the rudder as well as the base plates 23 Mix a generous batch of epoxy and completely fill the two slots as well as the areas on control horns and base plate that will glue into the rudder 20 ...

Страница 21: ...position Clean the excess epoxy from the horns and then install the base plates 25 Carefully check alignment to insure proper positioning Remove any excess epoxy from the rudder re check the alignment one more time and set the assembly aside to dry 21 ...

Страница 22: ... the leading edge of the rudder and drill a hole to accept the shank on the ball link Scuff the shaft of the ball link and glue it in the hole as shown in the picture below 27 Next install the rudder hinges using the same procedure as with the Ailerons and Elevators 22 ...

Страница 23: ...eel onto the wire and secure with the included wheel collars 29 Position the tailwheel assembly on the rear bottom of the fuselage making sure the tailwheel wire is aligned with the rudder hinge line Use some blue painters tape to hold the assembly in place while you drill 3 holes with a 1 16 drill bit Apply a few drops of thin CA to the holes and secure the assembly to the bottom of the fuselage ...

Страница 24: ...ing gear 4 x 4mm bolts lock nuts and washers Place the gear onto the landing gear plate and align the 4 holes Use a long T Handle allen wrench and insert the 4 x 4mm bolts from inside the fuse Attach the 4 washers and lock nuts to each bolt and tighten 24 ...

Страница 25: ...axle through the hole in the landing gear and attach the lock nut and washer onto the axle Slide the wheel pant into position over the axle and tighten the nut making sure the wheel pant is positioned properly 32 When satisfied with the position of the wheel pant drill a 1 16th hole through the wheel pant at the location of the hole in the landing gear and secure with a wood screw Repeat this proc...

Страница 26: ... offset due to the built in right thrust angle in the motor box Note this same procedure should be used for mounting a gas engine 34 The distance from the front face of the motor box to the motor drive washer is 5 43 138mm on the electric version On the gas version it is 6 3 8 162mm Use standoffs in conjunction with your motor to achieve this length To ensure proper cooling the recommended locatio...

Страница 27: ...e servo holes first you can easily see where the nylon tubes for the pull pull wires are installed on each side of the fuse 36 If you re assembling the electric version now s a good time to remove the covering on the bottom of the fuse just behind the rudder servo This will open an exit hole for the incoming air that cools the batteries 27 ...

Страница 28: ... SWB 4 offset rudder arm 38 Next install the pull pull rudder cables Assemble one end of the linkage by inserting the pull pull cable into one of the aluminum crimp tube through the hole in the brass pull pull fitting and back through the crimp tube Loop the cable back through the crimp tube a second time and crimp with side cutters 28 ...

Страница 29: ...same type of linkage as done previously Electronically center the servo and secure the linkage at both ends with a 3mm bolt and nylon insert lock nut Repeat for the other side Note When routing the pull pull cables through the fuse they should cross like an X Also the tension on the wires should taut but not overly tightened 29 ...

Страница 30: ...e output shafts toward the rear of the fuselage using the manufacturer supplied mounting hardware Thread a ball link on each end of a titanium pushrod and secure to the servo arm and elevator control horns with a 3mm bolt and nylon insert locknut If using the SWB 1 5 inch servo arm for elevator actuation use the inner hole on the G10 control horns and trim the outer portion of the horn as shown in...

Страница 31: ...f the fuselage and mark the center of the mounting tabs with a fine tipped marker 44 Roll the tape back and slide the cowl into position Use your spinner backplate to help align the cowl properly I usually use a couple of small pieces of double sided tape to affix the backplate to the front of the cowl ring to insure proper alignment and spinner gap while I drill the mounting holes Roll the tape b...

Страница 32: ... the pre installed blind nuts in the root rib of the wing Be careful not to cross thread the bolts and inspect them periodically to insure thread integrity Also included with your MXS is a set of side force generators SFGs and fiberglass racing tips They are secured to each wingtip with 2 x 3mm bolts and a plastic washer inserted into pre installed blind nuts in each wing tip 32 ...

Страница 33: ... tail heavy There is no need to have the MXS excessively tail heavy to perform 3D maneuvers At this time you will also want to balance your plane laterally Add a small amount of weight to the wingtip to achieve proper lateral balance Control surface throws I highly recommend that you purchase a throw meter that measures in degrees There are several units available commercially These units are a gr...

Страница 34: ...S 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 Extreme Flight RC 83 inch MXS ARF I hope you enjoy assembling and flying yours as much as I have mine See yo...

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