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Der Jet Model F9F-8 Cougar, Руководство пользователя

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Der Jet Model F9F-8 Cougar Скачать руководство пользователя страница 6

Construction

Horizontal and Vertical Stabilizers

Servo Installation

Remove servo hatches.  It will be helpful to label them 
as they are removed for side and orientation.
Using your Matchmaker or similar device, center the 
servos and attach arms to match.  Note orientation of 
servos are with the spindles forward.  (Note:  in pic-
tures, a two hole arm is pictured.  As construction was 
completed, these were replaced with a four hole arm 
to obtain sufficient throw.)   
Using a scrap piece of ply approximately 3/16 x 1.25 x 
1, create a backing plate for the JR 3421 servo.  Do 
not glue in place yet. 

Use you Matchmaker to center servo to install arm

Above: Ply backing plate for servo

Left:  Stab as it comes from the factory

Construction Manual

Der Jet F9F-8 Cougar                                                                                                                                                 Page 6

Содержание F9F-8 Cougar

Страница 1: ...ounds Contents of Manual Introduction History of F9F 8 Cougar Kit Features Tools Glues General Preliminary Planning Construction Page 6 Horizontal and Vertical Stabs Page 16 Air Systems Page 29 Fuel S...

Страница 2: ...he capability of carrying two Sidewinder infrared homing air to air missile underneath each wing This fea ture was retrofitted to many earlier F9F 8s The first Sidewinder equipped Cougars were deploye...

Страница 3: ...ainted out of the mold with a full complement of detailed nomenclature Scale antenna and nose gear parts Twin carbon fiber spars 5 liter fuel capacity Large pipe suitable for all engines Highly detail...

Страница 4: ...ters and an exit pipe diameter of 80 mm the Cougar may handle slightly larger engines while providing acceptable flight times as long as top speed is held in check Servo List Generally you should sele...

Страница 5: ...receiver voltage regulator and ECU The fuel pump and solenoids are mounted underneath the board Fuel tank former made up from scrap ply Retract and door valves speed brake valve and tail hook valve T...

Страница 6: ...os are with the spindles forward Note in pic tures a two hole arm is pictured As construction was completed these were replaced with a four hole arm to obtain sufficient throw Using a scrap piece of p...

Страница 7: ...fit remove the servo rough up the stab surface and CA the ply backer in place Label the ends of your servo wires Midway between the two mounting bolt holes cut a 5 inch diameter hole Run the servo wir...

Страница 8: ...etween the ply backer the small scrap blocks fore and aft and the servo cover Make sure there is no slop or movement in the servo It is recommended that you use 3 8 inch button head screws to insure t...

Страница 9: ...t of the ball link Position horn to the outside of the ball link Position the control horn with hole over hinge line and mark the length of the slot again using the T square to keep the line perpendic...

Страница 10: ...lot Make sure the horn is positioned ver tically with the hole over the hinge line Make sure the position of the arms in both elevators is identical Form nice fillets around the horns carefully peel t...

Страница 11: ...s Disassemble the rudders and the U bracket Trial installation of rudders and U bracket Note control arms are posi tioned approximately in the middle of the opening You may need to extend the flat spo...

Страница 12: ...tab spar clamp nuts Two hardwood strips approximately 15 mm square are installed between the formers in the lower vertical stab just below the horizontal stab The depth of the two hardwood strips is d...

Страница 13: ...nt of V poxy into the hinge point holes in the vertical fin structure Refit rudders and U bracket reinstall steel straps and the servo arm make a final check for adequate movement from side to side an...

Страница 14: ...ed to relieve front of saddle slightly to achieve a perfect fit Test elevator and rudder servos through the wiring harness before proceeding to next step Stab bolted in place Note slight grinding of f...

Страница 15: ...main vertical stab spar mounting clamp through the access hole on the left side of the fuse lage Use a 3 32 allen wrench Do not strip out the head of the bolt Final check of rudder assembly Notch tail...

Страница 16: ...retract unit and clear an access holes for the aft retract mounting bolts Note access holes for bolts slot for side air line to clear gear mount The struts should be installed such that the scissors...

Страница 17: ...sing your Matchmaker install servo arm and linkages to the servo Add air lines to nose retract unit and check for proper operation and leaks Mount gear to wooden nose frame with 4 mm x 15 mm bolts Rec...

Страница 18: ...prox 80 mm from rear of inner door lip for the air cylinder bracket The bracket should be positioned close to the door lip adjacent to the hinge Main door mark and cut a slot 20 mm from top door lip a...

Страница 19: ...eep the door completely closed Mark the proper position for the wooden L bracket making sure the cylinder is vertical Glue the bracket in place with medium CA Repeat for opposite side Clamp in place a...

Страница 20: ...t and the wooden tab should be positioned up against the front of the wheel well Mark its position drill a several holes to give the glue purchase and then rough up surface for better glue adhesion Gl...

Страница 21: ...6 ball link Paint aluminum bracket white to match the strut if desired Install the strut collar 40 mm from the top of the strut with the flat part of the collar oriented to the inside of the plane and...

Страница 22: ...rut retracted mark same position transferring the location to the side of the wheel well with a ruler and then to the strut door Locate a point exactly half way between the two marks This identifies t...

Страница 23: ...the glue is drying cut a piece of 2 56 all thread to approximately 25 mm Install two nylon ball links on either end threading them on to the rod fully Snap this linkage on to the two ball links and op...

Страница 24: ...need to notch the aft two formers to clear the cylinder retaining pin The tail hook assembly should have two small retain ing holes drilled in the end of the aluminum assembly If not drill them now Th...

Страница 25: ...s shown in the photo Use a scrap piece of wood to raise the level of the hinges until dry You may need to swap the position of one of the hinge screws to allow the hinges to be set adjacent to each ot...

Страница 26: ...gs for the speed brake hinges as shown Using a 90 degree angle bit and a small grinder route slots in the former for the hinges You will need to take the slot down to the fiberglass to get the hinges...

Страница 27: ...the bottom of the fuselage into the hinges and secure with small screws Small flat head screws are used to pin speed break hinges Apply additional V poxy as necessary to completely secure the hinges T...

Страница 28: ...BVM smooth stop was used A suggested location for the brake valve is just above the split flap servo on the port side of the aircraft In this position it is easily accessible Air Tanks Meters and Val...

Страница 29: ...ections before installing Install the pickup assembly in the tank Carefully en large the hole in the tank for the stopper if necessary Once the tank is assembled check for air leaks in a tub of water...

Страница 30: ...e Run Fuel tube for filling to UAT In the prototype all of the air fuel and gas service components are in the rear hatch to avoid having to remove canopy during normal field operations Again use a 4 m...

Страница 31: ...will employ for flaps Secure the servos in their ply mounts with screws Attach extension to servo and tape connection From the inside mark and drill a hole approximately 40 mm from the hinge line of...

Страница 32: ...nk and a 4 40 clevis It is recommended that you stiffen the linkage with a car bon fiber or brass sheath as shown in the photo Connect linkage and enlarge hole as needed Split flap linkage With the 1...

Страница 33: ...sure mounts are fully seated and parallel to each other Position engine on rails Location is determined by positioning pipe approximately 20 mm aft of the fuse opening and then measuring manufacturer...

Страница 34: ...needed Glue and screw ply mounts to engine rails as shown If the pipe is loose in the area of the aft former use several small pieces of ply to hold the pipe in position Pick a location for the engine...

Страница 35: ...into the hinge hole and position the aileron Use small thin pieces of balsa to provide identical spacing top and bottom and tape the trailing edge until the glue dries Remove servo pocket covers and...

Страница 36: ...the SWB arms you will need to replace the clevis ends on the linkages provided with Dubro 4 40 heavy duty ball links as the SWB arm uses a 4 40 bolt Servo positioned in pocket Note SWB arm As you did...

Страница 37: ...ke nice fil lets When dry touch up with matching paint Install linkages Carefully mark and cut slots in servo hatch covers for the servo arms Reattach hatches to wing Receiver and Batteries Batteries...

Страница 38: ...Cockpit Clean the forward windscreen with plexiglass cleaner Mount pilot to cockpit In the prototype we used wire around the waist exiting through two small holes in the aft cockpit wall and twist ti...

Страница 39: ...ne Location of nose cone retaining bolt Scale Details Mount spring mechanism to forward landing gear with two small screws Use a small amount of CA to se cure attachment points Mount antenna to starbo...

Страница 40: ...Antenna on starboard door Congratulations This completes the basic construction of your model Construction Manual Der Jet F9F 8 Cougar Page 40...

Страница 41: ...ng flap servos a standard 1 5 arm should be sufficient Fill your tires until firm This should be in the 20 40 pound range Be sure not to overfill or your main tires will not clear the gear doors CG A...

Страница 42: ...Air board aft of fuel tank Forward tank retainer The completed air board Air board with tank in place Appendix A Equipment Installation DerJet F9F 8 Cougar Page 42...

Страница 43: ...nose Battery installation in nose Mainboard with easy access to air fill systems receiver and fill valves Fuel and gas fill seen just to the right The completed Cougar Appendix A Equipment Installatio...

Страница 44: ...increase the throttle to full counting the number of clicks Have your spotter write this number down Knowing this number will allow you to set power reliably and repetitively before dropping flaps an...

Страница 45: ...ower portion of the piston pin channel in the side frame where the chan nel transitions from locked position to extension There is a sharp bend in the channel at this point The fix is to slightly grin...

Страница 46: ...events acciden tal stretching of the spring in the old installation method and preserves the paint on the strut Please refer to this V3 0 manual on page 21 for more information Speed Brake Hinge Reinf...

Страница 47: ...Note Manufacturer may elect to update parts from time to time Please consult your kit distributor with questions pertaining to differences Appendix D Parts Photos DerJet F9F 8 Cougar Page 47...

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