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Extreme Flight RC EXTRA 300 EXP V2, Assembly Manual

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Extreme Flight RC EXTRA 300 EXP V2 Assembly Manual Download Page 10

www.modellmarkt24.ch;    www.modellmarkt24.de

10 

 

Wing Assembly 

6. The assembly process for the wing is almost identical to that of the stab/elevator. For 
this reason we will not go into quite as much detail as in the previous procedure. Remove 
the aileron from the wing panel. Locate the 2 slots for the control horns and remove 
the covering from the slots with a sharp #11 blade. Follow the same procedure as outlined 
previously to install the control horns into the control surface and hinge the wing. Repeat 
this procedure for the other wing. 

 

 

www.modellmarkt24.ch;    www.modellmarkt24.de

Summary of Contents for EXTRA 300 EXP V2

Page 1: ...www modellmarkt24 ch www modellmarkt24 de 1 70 EXTRA 300 EXP V2 ARF Assembly Manual Copyright 2019 Extreme Flight RC www modellmarkt24 ch www modellmarkt24 de ...

Page 2: ...utics in order to be properly insured and to 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: ...fective method to restore these imperfections to original condition is to use a very fine tipped hypodermic needle to 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 sur...

Page 4: ...s ability to perform the full range of full stall high alpha maneuvers and aggressive gyroscopic tumbling maneuvers The Extra is also a top notch precision and XA aerobatic machine We have spent a great deal of time and effort to provide you the discriminating aerobatic enthusiast with the highest quality most complete package possible We are very proud of the end result of our labor and wish you ...

Page 5: ...ol horns and base plates from the elevator hardware package 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 Double check to make sure you are cutting into the bottom of the elevator 2 Insert the 2 control horns into the base plate and trial fit the horns into the slot and make sure they seat properly against t...

Page 6: ... denatured alcohol Scuff the portion of the horns that will be inserted into the elevator with sandpaper Apply 30 minute epoxy to the slots and thoroughly coat the horns and base plate bottom Reinsert the assembly into the elevator and wipe away any excess epoxy with a paper towel and denatured alcohol Place a 3mm bolt through the horns to help insure proper alignment and set aside to dry www mode...

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Page 9: ...e aside to dry Position the drying piece so that any excess epoxy will pool around the rear of the hinge When you are comfortable with this process you should be able to do one side of a surface per batch of epoxy Glue all hinges into the stabilizer first After the glue has set trial fit the elevator to the stab and adjust if necessary There should be as little gap as possible between the stab and...

Page 10: ...s much detail as in the previous procedure Remove the aileron from the wing panel Locate the 2 slots for the control horns and remove the covering from the slots with a sharp 11 blade Follow the same procedure as outlined previously to install the control horns into the control surface and hinge the wing Repeat this procedure for the other wing www modellmarkt24 ch www modellmarkt24 de ...

Page 11: ...lied mounting hardware and install the servo with the output shaft toward the trailing edge of the wing Electronically center your servo Aileron servo arm length should be 1 50 We recommend the Extreme Flight anodized servo arms Thread 2 ball links onto the titanium turnbuckle pushrod Secure the pushrod to the control horns and servo arm as shown in the picture using the supplied 3mm bolts and nyl...

Page 12: ...edge of the wing If there are wrinkles in the covering on the leading edge sheeting use a heat gun with a microfiber cloth to remove them and prevent digging into the wood with an iron Use caution and avoid excessive heat as you may cause the Ultracote to shrink too much and lift at the seams Also take the time to seal the hinge gaps with Ultracote or Blenderm tape Clean the wings with Windex and ...

Page 13: ...sembly into the slot in the rear of the fuselage and check for correct alignment When satisfied remove the assembly and apply 30 minute epoxy to the center section of the elevator that will mate with the fuselage slot Slide the elevator into position as far forward as it will go into the slot and re check alignment Wipe away any excess glue and set aside to dry www modellmarkt24 ch www modellmarkt...

Page 14: ...www modellmarkt24 ch www modellmarkt24 de 14 11 Once dry glue the covered block into place with medium CA or epoxy www modellmarkt24 ch www modellmarkt24 de ...

Page 15: ... will go as done previously with the aileron and elevator Mix up some 30 minute epoxy and use a small blade to fill the 2 slots with epoxy Use plenty of epoxy and be sure to completely fill the two slots Use an epoxy brush to completely cover the areas on the rudder horns and base plate that will glue into the rudder Slide the rudder horns back into their proper position followed by the base plate...

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Page 17: ...form a fillet around the bottom of the ball link Make sure the hole in the brass ball is aligned front to rear to accept the tailwheel tiller arm Go ahead and glue the hinges into the rudder at this time using the procedure outlined previously 15 Position the tailwheel assembly on the rear bottom of the fuselage and be sure the tailwheel wire is aligned with the rudder hinge line Secure the tailwh...

Page 18: ...ting the bolts and washers into the pre drilled holes in the aluminum gear mounts inside the fuselage with a long T handle wrench Secure with the 3mm nylon insert lock nuts 17 Locate the landing gear fairings Slide the fairings over the landing gear and against the sides of the fuselage You may need to open the hole in the fairing slightly with a rotary tool bit for proper fit Use a pencil to mark...

Page 19: ...the axle through the hole in the landing gear and screw the lock nut onto the axle but do not tighten completely There is a slot pre cut in the wheel pant to allow it to fit over the axle Slide the wheel pant into position over the axle and tighten the nut on the axle taking care to make sure the wheel pant is positioned properly When satisfied with the position of the wheel pants drill a 1 16 hol...

Page 20: ...allation Apply 30 minute epoxy to the holes in the rudder post and to the rudder hinges As you position the rudder onto the vertical fin be sure the tailwheel tiller arm is inserted into the ball link Push the rudder into position and wipe away any excess epoxy with a paper towel and denatured alcohol www modellmarkt24 ch www modellmarkt24 de ...

Page 21: ...mplate to determine proper motor position Most manufacturers will provide a mounting template for their motors on their website or include one with the motor Use standoffs to space the motor so that there is 3mm clearance between the front of the cowl and the spinner backplate This distance should be 6 35 161mm If using the Xpwr 30 the Blazing Star Standard XL Standoff set will make motor installa...

Page 22: ...llmarkt24 de 22 Here are photos of our installation of a DLE 20cc engine on the Extra Please note we used an aftermarket radial mount available here http www seaplanesupply com aluminum htm www modellmarkt24 ch www modellmarkt24 de ...

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Page 25: ...Xpwr We highly recommend installing these with Goop or epoxy to aid in the cooling of your motor 23 Slide the cowl into position and secure with 2 3mm bolts inserted through the F1 former and into the blind nuts in the cowl A 3rd bolt is installed through the hole in the bottom of the cowl www modellmarkt24 ch www modellmarkt24 de ...

Page 26: ...uselage and you will see a nylon tube installed on each side of the fuselage Use a piece of wire or T pin to open the holes for the pull pull cables on each side of the fuselage 26 Assemble one end of the linkage by inserting the pull pull cable into one of the aluminum tubes through the hole in the brass pull pull fitting and back through the crimp Loop the cable back through the crimp a second t...

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Page 28: ... feed it forward into the canopy area and make up the same type of linkage as you did previously Electronically center your servo Secure the linkage at both ends with a 3mm bolt and nylon insert lock nut Repeat for the other side The cables should cross inside the rear of the fuselage www modellmarkt24 ch www modellmarkt24 de ...

Page 29: ...Be sure to use a drop of blue Loctite on all bolts 29 The canopy is retained by 2 spring loaded hatch latch mechanisms There are also plywood tabs with blind nuts installed and we recommend using these with 3mm bolts to retain the canopy in addition to the latches when using a gas engine 30 Included in your Extra kit is a set of side force generators SFGs These aerodynamic devices add to the effec...

Page 30: ...se attention to what the plane does Ideally the plane will continue on this line for several hundred feet before it starts to slowly level off If the airplane immediately drops the nose and dives toward the ground it is nose heavy If it begins to climb inverted toward the gear it is tail heavy There is no need to have the Extra excessively tail heavy to perform 3D maneuvers Control surface throws ...

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