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High performance 90mm fiberglass jet 

 

 

 

Assembly manual 

For intermediate and advanced fliers only! 

 
 

 

 

 

 

 

 

 

 

 

 

 

Specs

 

Wingspan: 1255mm 

Fuselage length: 1250mm 

Flying weight: 2600-3000g 

Wing area: 22.6 dm² 

Wing loading: 125g/dm² 

Содержание ViperJet G500

Страница 1: ...igh performance 90mm fiberglass jet Assembly manual For intermediate and advanced fliers only Specs Wingspan 1255mm Fuselage length 1250mm Flying weight 2600 3000g Wing area 22 6 dm Wing loading 125g dm ...

Страница 2: ... rod x2 main wing and horizontal stab attachment l Additional hardware screws bolts blocks etc Equipment required not included l 6 channel radio and receiver l Suitable motor and speed controller l Servo extension wires l 5g servos x3 high quality metal gears 9g servo x1 17g servos x4 l Epoxy 5 and 30min and CA glue l Velcro l Drill or dremel 1 5mm 2mm 2 5mm and 12mm bits l Small screwdrivers and ...

Страница 3: ...Step 1 Main wing servo instillation Locate the two main wings and cut away the covering film as below Remove the covering film from the four main wing servo bay covers to accommodate the servo horns ...

Страница 4: ...rst screw two small wooden blocks to each servo Position as shown below Drill 1mm or 1 5mm pilot holes to prevent the screws from splitting the wood Then glue these in position to the underside of the servo bay covers Use 5minute epoxy or strong CA Attach the servos to their extension wires appx 50cm and feed them through the wing through to the exit provided as shown ...

Страница 5: ...e as below Step 2 Control surface attachment The aircraft is supplied with the control surfaces in position however they are not glued in place To attach them securely first remove the surface and hinges from the plane Use a small drop of CA glue to secure each hinge to the surface making sure appx half of each hinge remains exposed Next drop a small drop of CA on the tip of each hinge and slide i...

Страница 6: ...ill 2mm holes to bolt these on Drill fully through the surface and attach on the other side using the plastic pieces provided Next take a main wing pushrod and install in the usual manner Hint to determine which pushrods go where arrange them in size as follows Rudder Flaps ailerons Nose gear Elevators ...

Страница 7: ...or rudder setup is almost identical to that completed above The only difference to note is that a 9g servo is instead required and that the servo bay cover should be glued not screwed in place Feed the servo extension wire through the body of the plane to the nose Step 5 Main wing attachment In preparation for gluing the main wings in place drill a hole in the following location through which the ...

Страница 8: ...ings if still unsure where to drill Next roughen the surface you just drilled through using sandpaper to ensure a good bond between the main wings and the fuselage Now take a look at the following image 25mm behind the hole for the CF re enforcement spar ...

Страница 9: ... epoxy between the main wings and fuselage Apply glue and tape or clamp both surfaces and support using blocks if necessary It is recommended that you glue both wings at the same time Step 6 Horizontal stab attachment Repeat the same procedure as above for the horizontal stabs Note that a symmetrical airfoil is used for these so there is no left wing or right wing as such either orientation is cor...

Страница 10: ...ible in this slot but still move freely without the clevises rubbing against the fiberglass Try to visualize where the thrust tube will eventually reside and make sure that there will be enough clearance between the clevis and the tube Alternatively flip the pushrods and use the Z bend in the servos and attach the clevises to the control horns ...

Страница 11: ... do not have access to a dremel drill a series of 3mm holes and cut out with a craft knife Connect the pushrods to the servos and through these slots Finally attach the horns to the elevator surfaces Position these so that the pushrods move freely throughout the full range of servo travel ...

Страница 12: ...ons Also make sure that your motor is orientated such that the motor wires are as shown below Now look back at the image above Note that the fan protrudes from the EDF duct Now examine the fuselage where the EDF will sit 90 Note that this piece will interfere with the placement of the EDF ...

Страница 13: ...The fiberglass in this location must be cut away to allow the fan to rotate freely ...

Страница 14: ...nd wires through the body at this point also Next drill pilot holes and secure the EDF in position with large wood screws Note that the correct position for the EDF is as shown below If the two surfaces pointed out below are not flush with one another you may not have removed enough fiberglass above Surface 1 EDF Surface 2 Wooden mount ...

Страница 15: ...heet of fiberglass supplied The notch for the motor wires is located appx halfway along the 310mm side Also note that the sheet you are provided with may look square but have one side longer than 310mm and the other side shorter Roll this up and place it in the fuselage Pass the motor wires through the notch Secure the 310mm 250mm 290mm 30x20mm ...

Страница 16: ... EDF with strong tape If the template was measured correctly the shroud should reach almost to the rear of the fuselage as shown below Secure with tape Step 10 Fuselage cover Secure with clear tape as shown below ...

Страница 17: ... Make sure you glue the battery tray in place with good 30minute or longer epoxy as there will be surprisingly large forges on these joints in flight It is also recommended that you trim the battery tray slightly as shown below to maximize the gluing area Trim edges on this side into a curve to follow the curve of the fuselage ...

Страница 18: ... wood provided in your kit and glue in place with epoxy as shown below Next flip the plane over and drill a 2 5mm hole as shown Aim for the centre of the block you just glued Use the image below for guidance Here Aim appx 5mm in front of this line ...

Страница 19: ...l and as true as possible Next take the nose gear strut and slide on a collar Slide the assembly into the hole you just drilled If the hole is too small drill out slightly but make sure that the strut is not loose in the hole ...

Страница 20: ...ng parts as shown Note the clevis Install the pushrod and a servo horn at this stage Arrange the pushrod so that it passes through the small gap between the battery tray and the wooden structure beneath and the Z bend attaches to the servo horn ...

Страница 21: ...Finish off this step by installing a wheel followed by a collar to secure Step 13 Main gear Arrange the following parts as shown Apply glue as indicated Epoxy here ...

Страница 22: ...screws Finish off by installing a wheel and collar in the same manner as the nose gear Step 14 Winglets Drill a hole in the tip of each wing corresponding to the location of the hole in the winglet Insert a CF pin into these holes and glue in place with epoxy ...

Страница 23: ...that all linkages nuts servo horns linkage nuts and screws are tightened Make sure thread locks are applied where necessary l Ensure the flying field is spacious and safe to fly l Bench test the electronic equipment on load for 5 minutes Check the temperature of the ESC BEC and battery This is to ensure the power system and the BEC are reliable and compatible All EDFs should be run in to test for ...

Страница 24: ...l After the first flight it is prudent to check the CG for all subsequent flights ...

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