Extreme Flight Muscle Bipe ARF Assembly Manual Download Page 10 | Manualshive

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Please note: If using a twin 70-76cc gas engine or electric setup it is absolutely
essential to use a pull-pull rudder system to achieve proper CG. This will
require that you glue a set of control horns to each side of the rudder to
interface with the pull-pull system cables. There is a plywood jig included in
the hardware package that aids achieving proper alignment.

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Summary of Contents for Muscle Bipe ARF

Page 1: ...70cc Muscle Bipe ARF Assembly Manual Copyright 2021 ...

Page 2: ... 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 accompanied by the original dated receipt This warranty is extended to the original purchaser of the aircraft kit ...

Page 3: ...planes The Muscle Bipe features our state of the art construction materials and methods resulting in a lightweight rigid and robust airframe It features carbon fiber wing and stab tubes carbon fiber landing gear and tailwheel assembly carbon fiber main wing spars and fuselage longerons g10 lite ply composite laminated internals and 2 gorgeous genuine Ultracote Oracover color schemes Highly prefabr...

Page 4: ... gun and heat the covering while gently rubbing the covering onto the wood with the t shirt or cloth Be careful not to use too much heat as the covering may shrink too much and begin to lift at the edges or even worse burn a hole in the covering Take your time and a beautiful paint like finish is attainable 3 By the time your aircraft arrives at your door step it will have been handled by a lot of...

Page 5: ... session pay close attention and inspect glue joints linkages and loose covering to be sure the airframe is sound A few minutes spent doing this will help ensure airframe longevity 7 Be sure to put a drop of blue Loctite thread lock on every bolt on this aircraft Failure to do so may cost you your aircraft This includes servo arm screws 8 There are several excellent videos that further explain the...

Page 6: ... ideal for this task 2 Insert two control horns into a baseplate and temporarily insert them into the slots in the control surface each surface s horns are affixed using the same method so choose the surface you want to start with and continue this procedure until all horns are glued in place Use a fine tipped marker to trace the control horn Remove the horns and baseplate and use a sharp 11 hobby...

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Page 8: ...te I like the slow set EA 9462 for this particular procedure It allows plenty of time for gluing all of the control horns into place in one sitting I first apply glue to both slots then to both sides of each control horn below the baseplate Once the glue has been applied insert the horns into their slots and press into place firmly against the control surface Wipe away any excess glue with a paper...

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Page 10: ...ssential to use a pull pull rudder system to achieve proper CG This will require that you glue a set of control horns to each side of the rudder to interface with the pull pull system cables There is a plywood jig included in the hardware package that aids achieving proper alignment 9 ...

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Page 12: ...x the servos to the airframe link below https extremeflightrc com Socket Head Servo Screws Qty 100_p_3488 html While the upper wing servos require no servo extensions for the servo lead to reach the root the bottom wings will require a 12 inch extension Attach this extension to the servo lead and secure with a servo safety clip or heat shrink tubing before installing the aileron servo into the win...

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Page 14: ...e landing gear mount making it very fast and easy to install the main landing gear Attach the carbon fiber landing gear using 4 4mm socket head cap bolts inserted through washers through the gear and into the locking nuts Be sure to place a drop of Blue Loctite on each bolt and tighten securely 13 ...

Page 15: ...scuff the carbon gear for maximum glue adhesion Use epoxy or Goop silicon adhesive to permanently attach the fairings to the gear I suggest using blue painters tape to keep the fairings securely in place while the adhesive sets 8 Attach the axles to the main landing gear as shown Place a wheel collar on the axle and slide the wheel into place 14 ...

Page 16: ...9 Attach the aluminum wheel pant bracket to the wood spacer with the included black wood screws Retain the wheel with the bracket assembly as shown Be sure to use Blue Loctite on the grub screw 15 ...

Page 17: ...on gear and into the blind nuts in the wheel pant Again use Blue Loctite on these bolts and tighten securely 11 Pull the outer side of the pant away from the wood bracket and apply a bead of epoxy to the bracket This will secure the pant mounting bracket to the fiberglass wheel pant making a much stronger assembly 16 ...

Page 18: ...rt mounting components First we ll install our choice of power plant If using a 70 76cc twin gas engine we ll use the Blazing Star 70cc mount If using the Xpwr 60 we ll use the Blazing Star XL Standoff set If mounting the Saito FG90 R3 we ll use the Blazing Star Standard Standoff set Drill the motorbox to accept your chosen power system The Xpwr 60 and DA 70 GP 76 all share the same mounting bolt ...

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Page 20: ...nt your ESC on the bottom of the motor box 15 The twin gas version of the Muscle Bipe has a location on the bottom of the motor box to mount your throttle servo along with a pushrod and hardware to fabricate the linkage For the radial version the throttle servo is mounted inside the fuselage in the designated area on the side of the tank tray and a sleeved flexible plastic pushrod with fittings is...

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Page 23: ...o position as shown and secure with 2 3mm socket head cap bolts per strut Again apply Blue Loctite to all bolts 17 Mount a 24 ounce Flowmaster gas tank on the tank tray and run your fuel line carb feed fill tube overflow Install an EF Fuel Dot for easy fueling de fueling 22 ...

Page 24: ...ial engine mount your servo in the rear of the model and fabricate your linkage from the supplied pushrod ball links and 3mm hardware PLEASE NOTE Mount the ball link and conical spacer on the interior side of the EF 1 5 servo arm as shown to prevent interference with the elevator linkages Assemble the pull pull cable linkage as shown in the following series of pictures by inserting the end of the ...

Page 25: ...the crimp tube and cable Repeat this for the other 3 cable ends and install onto the servo arm and control horns using the provided 3mm hardware 24 ...

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Page 27: ...ounting brackets into the wings making sure they seat properly against the wing surface It is best to trial fit the wings at this time to insure proper alignment before permanently gluing the brackets into place with epoxy 26 ...

Page 28: ...ce in multiple locations where you have marked the cowl This will allow you to slide the baffle ring into position and butt against the sticks aiding in proper positioning of the ring Carefully bend the baffle ring to insert it into the cowl Use the opening in the bottom of the cowl ring that accepts the mounting block to give you a bit more room to fit the ring into the cowl Tack glue the ring in...

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Page 31: ...on the rear tray and your battery as far back on this tray as possible Since I am powering the servos and ignition via an IBEC I used a 5000 mah 2S Lipo at the very rear of the tray and the CG was perfect For those using a 70cc twin or electric setup it is imperative to mount all batteries and components as far forward as possible I mounted my receiver just in front of the rudder servo and my 5000...

Page 32: ...onto the tube and connect the servo lead to the extension in the fuselage Push the stabs into position Pull out on the spring loaded knob and slide it forward until it sinks into the recess Do the same for the other side You may find it necessary to apply a bit of pressure to the opposite side when fastening the second half You can adjust the bolt in the root of the stab if necessary for best fit ...

Page 33: ...ottom of the upper center section There is a rod spring in the lower wing latch that must be depressed for the latch to open This can be done with the tip of your finger or a small flat blade screw driver Slide the wing into position connect your servo leads and push the latch into the closed position 32 ...

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Page 35: ...26 Place the outer wing struts into position and secure by sliding a retention pin into place for both the top and bottom of the strut 34 ...

Page 36: ... open the carbon fiber hatch latches on each side of the fuselage place the canopy into position You will notice there is a bolt protruding from the top of the turtledeck As you push the canopy into place apply some back pressure on the rear of the canopy so that the protruding bolt fits into the slot on the rear top of the hatch This insures the rear of the canopy sits flush against the fuselage ...

Page 37: ... to double check your work tie up any loose extensions tighten any covering that has loosened and give your new bird a good polish with some spray on detailing wax to enhance the luster of the paint and Ultracote covering and protect it from sun exposure and gas oil mix ...

Page 38: ...euvers it is very capable of flying gorgeous big sky precision aerobatics and presents very elegantly in the air Here are suggested throws and as mentioned earlier in the manual the ideal center of gravity is measured at 5 25 inches back from the leading edge of the upper wing measured at the root Aileron Low 15 deg up 15 deg down 18 20 exponential High 33 deg up 32 deg down 50 60 exponential Elev...

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