Composite-ARF Extra 300SX, Instructions Manual

Page 1: ...techsupport composite arf com Composite ARF Extra 300SX 2 6m span Instruction Manual Composite ARF Extra 300SX 2 6 m TAVS Technology version 1 01...

Page 2: ...You have acquired a kit which can be assembled into a fully working R C model when fitted out with suitable accessories as described in the instruction manual with the kit However as manufacturers we...

Page 3: ...ed engines servos propellers and accessories supplied in the kit Make sure that the Centre of Gravity is locat ed in the recommended place Use the nose heavy end of the CG range for your first flights...

Page 4: ...ufactured using vacuum bagged sandwich construction technology All parts are painted in the moulds either single colour or designer colour schemes A new production method called TAVS Total Area Vacuum...

Page 5: ...d exchange if necessary very quick and easy and provide a rock solid servo mounting and linkage system The wings are attached to the fuselage with the 4 threaded aluminium dowel anti rotation pins wit...

Page 6: ...the structural parts are preinstalled The horizontal stabs are mounted with one 20mm aluminum tube and one aluminium anti rotation pin each Servo Screws Fix the all the servos into the milled plywood...

Page 7: ...vailable from C ARF as an option 810100 810103 5 Main wheels 115 125 mm 4 5 5 Kavan Light or Dubro wheels are recommended 6 Engine 75 100cc The DA 100 is probably the most commonly used engine for our...

Page 8: ...y glues you will end up with an inferior quality plane that is not so strong or safe High performance models require good gluing techniques We highly recommend that you use either a slow minimum 30 mi...

Page 9: ...lue spots or marks off the painted surfaces you can use old fashioned liquid ciga rette lighter fuel like Ronsonol or equivalent This does not damage the paint as Acetone and many other solvents will...

Page 10: ...ction it is a good idea to check inside the fuselage for any loose glass fibres that could cut your hands and a quick scuff over any of these with a coarse Scotchbrite pad will remove them Note It is...

Page 11: ...ed bolt that is used as the axle Insert the bolt into the wheelpant through the 9mm hole threading on the washers and wheel collars used as spac ers as needed to centre the wheel in the pant The last...

Page 12: ...in each cuff for the carbon legs leaving about 0 5mm 1 15 gap all around to allow for the flexing of the carbon leg during landing and to make it easier to remove the carbon legs from the fuselage San...

Page 13: ...the fuselage and secure it to the fuselage with one small drop of thick CA Note that the blind nuts are fitted reversed with the spikes pointing inwards Check alignment again and then drill and fit t...

Page 14: ...e and fix the bottom 2 back corners with one small drop of odorless CA each ZAP O recommended Note Do NOT use any CA accelerator kicker you will immediately fog the clear canopy Make visual check from...

Page 15: ...You have a choice of elevator servos either a hi power digital JR8511 8611 in each stab or an JR8411 which is also sufficient Although the JR8511 8611 servos are about 1 mm longer and wider than the 8...

Page 16: ...sing flutter and destruction of your Extra If you have chosen to fit full metal servo arms eg SWB you can fit a single sided ball link onto the servo arm to adjust the line of the linkage if necessary...

Page 17: ...our plane You can make the template from scrap plywood and use an old 1 5mm 1 16 drill bit to insert into the clevise hole secured with a drop of CA Using the template glue the horn into the other ele...

Page 18: ...r sleeve and the bottom surface of the stab Mark the bottom of both stabs in the centre of this ply wood Install the aluminium tube into 1 stab and drill a 2 4mm hole right through the stab surface th...

Page 19: ...inforcing pieces underneath the servo cutouts in the balsa plate with CA and glue the plywood reinforcement onto the underside of the tank tray see also photo P8 Prepare sand and assemble the other mi...

Page 20: ...he fuselage where the parts will be glued in and reinforce these impor tant joints with short lengths of the 1 fibreglass tape sup plied using laminating epoxy photo P10 With the rudder servos fitted...

Page 21: ...alloy tube which slides inside a fibreglass tube in each wing and it should be 1040mm long Please check the length to make sure that it passes through both ply wood ribs in the wing that are about 350...

Page 22: ...glue joints Each servo hatch is fixed to the underside of the wing with of the 4 sheet metal screws provided 2 9 x 10mm These servo mounts allow you to change a servo within a few min utes if needed e...

Page 23: ...ileron servo position Although this rib is not structurally necessary if your wings do not have this rib it is a good idea to glue a 70mm 3 long piece of 3mm balsa immediately outside the servo cutout...

Page 24: ...the cowl and the straight edge is 20mm photo right The top of the spinner should be about 5mm below the top of radiused part of the top of the cowl Therefore if you are using a 120mm 4 75 diameter sp...

Page 25: ...face under the head of the M6 bolt On the back face between the carbon ply plate and the alu minum standoffs another 16mm 5 8 rubber washer was added Use Loctite on the M6 bolts that pass thru the iso...

Page 26: ...oint with a few carbon rovings but in retrospect this was not necessary with the relatively low vibration levels experienced Maintain at least 6mm 1 4 clearance between the bottom of the tuned pipe an...

Page 27: ...you will need to use 30mm long engine standoffs to ensure a 5 6mm gap between the rear face of the spinner back plate and the front of the cowling instead of the short stack of washers shown here Oth...

Page 28: ...cans and the carbon landing gear as men tioned above to prevent heat damage Motor Cooling It is imperative that your chosen motor not only receives sufficient air to cool it through the opening in th...

Page 29: ...n easily be made by making 2 cuts in the skin about 20mm long bending the skin outwards about 30 degrees and creasing the inner surface with the back blunt edge of the knife blade Hold in position and...

Page 30: ...n Please visit our website for more details Ignition Batteries Both examples shown here used a 2400 sub C sized cells ignition Nicad The 4 cell pack for the DA 100 was secured inside the front of the...

Page 31: ...lage Secure it in short lengths of silicone tube to make sure it cannot be cut through by any sharp edges Keep it as far away as possi ble from the cables for the elevator servos and the closed loop r...

Page 32: ...get trapped or caught in linkages Throttle servo You can install the throttle servo anywhere you want using the milled plywood mount that we supply photo right In the 300SX we securely glued it to th...

Page 33: ...ecure the feed tube inside the tank to the clunk with a small cable tie If the tube is even a little loose on the brass tubes though the stopper you can be sure it will come off at just the wrong mome...

Page 34: ...ght on the rudder cables For added security add one small drop of loctite thread locking compound on all the bolts that hold the servo arms to the servos especially important with digital types Then y...

Page 35: ...dder for nice stall turns so you should at least add 25 exponential for smooth track ing corrections At the same time you should remember that the Extra rudder is very sensi tive and the plane starts...

Page 36: ...snapping and we think that this is also true for the 2 6m 300SX version It s like an explosion and it still stops immediately that the sticks are released Be aware of this fact when you try it for th...

Page 37: ...re 2mm x 500mm packed in rudder 1 Milled wood phenolic parts bag 1 Hardware bag 1 Instruction Manual English Hardware List Fuselage Pack Quantity Description 4 Allen Bolt M6 x 40mm engine mounting 8 W...

Page 38: ...nut M3 stab tube security 1 All thread M3 x 45 linkages 2 Clevise steel M3 linkages 2 Nut M3 linkages Rudder Pack Quantity Description 8 Sheetmetal screws 2 9 x 13mm rudder servo fixing 4 Allen bolts...

Page 39: ...or product 950000 Canister set for DA 100 product 910100 PowerBox 40 24 dual NiCad crossover unit product 960200 PowerSwitch pair 20A for dual NiCads product 960300 Please check our website www compos...

Page 40: ...te arf com 40 Contents of Wing Hardware pack 2 sets Contents of Stab Hardware pack 2 sets above Contents of Rudder Hardware pack above Contents of Spare Hardware pack above Contents of Milled wood and...

Page 41: ...6m span techsupport composite arf com 41 308 mm Full sized Baffle template for Extra 300SX 2 6m span Adjust back edge of baffle so that it is 6mm 1 4 from cooling fins and crankcase of your motor This...

Page 42: ...Composite ARF Extra 300SX 2 6m span techsupport composite arf com 42 Mike C 10 Jan 2007 Mac...