Golden Skies Bampf 3D Extreme, Final Assembly Manual

Page 1: ...Aauthorized club charter and one that has qualified flying instructors This is absolutely mandatory for your safety and the safety of others Golden Skies R C Aircraft Inc 30882 Rivera Place Laguna Niguel CA 92677 949 429 2910 http www goldenskiesrc com Rev 1 0 2 16 06 Bampf Bampf Bampf Bampf Bampf 3D Extreme 3D Extreme 3D Extreme 3D Extreme 3D Extreme Unlimited Sport Aerobatics and 3D Extremes Fin...

Page 2: ...Optional Equipment and Accessories Order these Optional Parts through http www goldenskiesrc com 1 866 429 2910 Bampf 3D Extreme Kit Components ...

Page 3: ...levator Rudder 20 Step 8 Fuel Tank Assembly 21 Step 9 Aileron Final Assembly 22 Step 10 Aileron Rudder Servo Installation 23 25 Step 11 Belly Pan Installation 25 26 Step 12 Fuel Tank Installation 26 27 Step 13 Engine Installation 27 28 Step 14 Cowl Installation 29 30 Step 15 Wheels Landing Gear 31 Step 16 Battery Switch 32 Spinner 33 Decals 34 Optional Assembly Steps 34 37 Balancing Pitch Roll Yaw...

Page 4: ...obe pdf format on our website Enlarged and extra assembly pictures are also available Golden Skies R C Aircraft Inc Laguna Niguel CA 92677 949 429 2910 email service goldenskiesrc com http www goldenskiesrc com GSRC Bampf 3D Extreme Features and benefits o Computer Aided Design CAD ensures accurate producible parts o Strong light weight design and construction High power to weight ratio o Balsa an...

Page 5: ...not been qualified as a solo pilot by the instructor at the AMA approved flying site It is recommended that on any first flight of a new R C aircraft that you attain the assistance or instruction of a highly experienced R C pilot to verify the ARF s construction from a safety and flight perspective If you are just starting to fly R C Model Aircraft of any type consult your local Hobby Shop or writ...

Page 6: ... in the event of property damage or injury to individuals or personal property Additionally all R C airplane pilots must join the AMA to become secondarily insured Academy of Model Aeronautics http www modelaircraft org Academy of Model Aeronautics 5151 East Memorial Drive Muncie Indiana 47302 9252 800 435 9262 5 Indemnification The user of this product agrees to indemnify and defend Golden Skies ...

Page 7: ... your actions return the complete ARF kit to the point of purchase for a refund In order to return the ARF Kit the following steps must be undertaken ARF kit must be presented in its original carton undamaged and un assembled ARF must be in the original OEM condition and suitable for resale Purchaser must show valid purchase receipt ARF kit must be return to point of purchase with sixty 6 days of ...

Page 8: ...ornia and decided by a court of law in the State of California in the County of Orange Warranty Statement Spare and Replacement Parts Golden Skies R C Aircraft stocks a complete line of Spare and or replacement parts for your Bampf 3D Extreme ARF We are trying to keep the replacement costs as low as possible because we want you to enjoy your Bampf with genuine good looking factory parts So please ...

Page 9: ...ry to fly the Bampf 3D However if you want to stick n rudder SnR the airplane the 90 2 s or 120 140 4 s will add to the 3 D and FreeStyle capability typical of SnR flying styles You may also choose to use a 90 size 4 stroke engine such as an OS 91FS or equivalent The 90 4 s is roughly equivalent to the 60 2 s but has more torque and can accommodate a larger prop A 140 4 s is again more power than ...

Page 10: ...ers you use the radio you are most accustomed to and comfortable with The Bampf will require four Channels minimum and possibly a 5 channels if you split your ailerons for flaperon capability It is a good practice to keep the Transmitter and Receiver to the same brand however servos of a different brand are a generally accepted practice and should cause no problems Always check your radio manufact...

Page 11: ...Fiberglass 2 0z and polyester resin Optional Clear polyurethane spray fuel proof Tools 0 1 and 2 Phillips head screw drivers 1 2 Flat blade screw driver Adjustable Wrench Needle Nose Pliers Modeling knife 11 blade Single edge razor blades Electric drill 1 16 to 1 4 bits in 1 32 increments Modeling T pins Sandpaper 180 to 220 grit Dremel Moto Tool wheel cutter drum sander coarse and fine Paper towe...

Page 12: ... sequence one should be able assemble the Bampf 3D in 4 8hours English in Metric mm Metric cm English in Metric mm Metric cm English in Metric mm Metric cm 1 64 0 4 0 04 1 25 4 2 54 1 32 0 8 0 08 17 32 13 5 1 35 1 5 38 1 3 81 1 16 1 6 0 16 9 16 14 3 1 43 2 50 8 5 08 3 32 2 4 0 24 19 32 15 1 1 51 2 5 63 5 6 35 1 8 3 2 0 32 5 8 15 9 1 59 3 76 2 7 62 5 32 4 0 0 40 21 32 16 7 1 67 3 5 88 9 8 89 3 16 4...

Page 13: ...e 8 hinge joints to prevent the epoxy from entering the hinge point Epoxy the hinges only into the aileron surfaces While the epoxy is curing move on to Step 2 Grease Hinge Area using a light grease such as Vaseline lightly cover the entire hinge joint area to prevent the epoxy from entering the hinge joint Take care not to get grease on the ribbed hinge shank area where it will be glued into the ...

Page 14: ...bit and mount the servo to the blocks using the servo manufacturer s supplied screws Now is a good time to mechanically center the servo arms Connect the servo to the receiver s aileron port and turn on your re ceiver and transmitter With the aileron controls stick trim sub trims centering set to neutral mechanically mount the servo arm on the servo shaft such that it is perpendicular or square wi...

Page 15: ...rush apply a liberal amount of epoxy into the wing box one half of the dihedral brace and fit the brace into the wing box up to the center mark Apply epoxy to the surface of the root rib Repeat for the other wing panel be sure to epoxy both rib roots Slide the two wing pan els together Check Fit and Secure Wing Panels Place at least six 6 rubber bands or bar clamp over the wing dowel pins and the ...

Page 16: ...bly step for fuel tank tubing port orientation The markings refer to 1 Muffler or Vent port 2 Carburetor port 3 Fill port the 3rd filling port is optional Locate the Engine Mounting Holes Locate the Horizontal Hc l and Thrust Center Lines Tc l If they are not visible measure and draw them in Draw two 2 parallel lines one 1 3 16 to the right and the other 1 3 16 left of the Thrust Center Line The d...

Page 17: ...ered and squared up With the engine securely fastened mark the engine mounting hole on the mount rails using a pencil or center punch Drill Engine Mounting Holes Center punch the engine mounting hole locations that you marked above and place in a drill press vise or bench vise Drill the engine mounting holes for the size of bolt recommended by the engine manu facturer Attach the engine mount to th...

Page 18: ...d at the 35 40 MAC point for intermediate and advanced 3D pilots respectively The Bampf is fully pitch stable over the entire 25 38 MAC range The 30 MAC C G point is located 9 1 4 behind the front firewall surface The 35 MAC is located 10 1 32 behind the front firewall surface The weight distribution variables the builder pilot controls are the engine type and weight receiver battery type and loca...

Page 19: ... the wing in place Adjust the HS VS alignment to the wing and fuselage as shown in figures 2 3 on page 45 Step 6 Tail Surface Assembly Gather together the following items Completed Wing Horizontal Vertical Stabiliz ers Elevators U horn 30 minute epoxy ruler epoxy brush felt tip pen Mount the wing to the fuselage and secure with 1 4 x24 nylon wing bolts and wing strap Install Horizontal Stabilizer ...

Page 20: ...sorbed by the hinges but be careful if you use to much the excess CA will try to run all over the tail section Do both elevators then set them aside for a few minutes to set up Install Rudder Hinges Tail Wheel Assembly TW Repeat the CA hinge installation process as above for the rudder but first install the tail wheel assembly Test fit the TW by placing the TW fin the in the slot and the steering ...

Page 21: ... below left The two tubes that are bent 1 up vent and 2 down wards fill should be near but not touching the inside top or bottom of the tank respectively Prebend then slide the tubes through the rear stopper plate then through the stopper holes and then slide on the front stopper plate Place the bolt through the front plate then through the stopper and screw it into the rear plate Do not tighten a...

Page 22: ...ark the plate s outline Remove the covering material with the wing bolt plate outline Take care not to cut into the balsa Attach the wing bolt plate to the wing as shown using 30 minute epoxy Align the plate using the 1 4 nylon wing bolts Clamp in the middle remove the nylon bolts and add two more clamps Place a 1 8 lite ply backup plate on the top side of wing to prevent clamps from denting the w...

Page 23: ...t line with the servo arm and 2 align the control arms pivot point the three nylon bushing holes in the control arm with the Aileron Hinge Line see two pictures at left Attaching the push rod may assist you in making and holding this es sential alignment Be sure the servo arm is centered i e perpendicular to the wing surface and the aileron is in the neutral position tape it Mark and drill pilot h...

Page 24: ... equal length of cable feeding through to each side of the rudder Re member that these cables are to cross each other in the fuselage On the left side of the rudder use a ruler measure 1 1 16 up from the bottom of the rudder to the bottom of the rudder control horn to set the position of the control horn on one side of the rudder Use the same rudder horn position whether using the Pull Pull system...

Page 25: ...nd tighten the cables as shown left Be sure to keep the servo arm and rudder in a neutral position Also leave enough threads on the connectors to allow for ample adjust ment and tensioning of the cable when the assembly is finalized Tighten the knurled locking nuts against the clevises at each end 4 places Secure the Locking nuts Secure the locking nut with a drop of locktite Test the entire syste...

Page 26: ...re Gently reshape or sand where necessary to obtain the proper fit Mark the BP position at the leading and trailing edge on the wing surface so that you may relocate the pan after removal and also for removal of the wing covering material under the BP If you performed the OPTIONAL underwing fiberglass step then you have already removed the wing covering under the belly pan If not using a straight ...

Page 27: ...y choose to install the engine of your choice The process will be similar where the biggest differences will be the throttle push rod routing and muffler installation You will need 1 engine 2 mounting bolts 6 32 minimum 3 locknuts 4 screwdrivers and or nut drivers 5 Needle nose pliers 6 Plastic throttle push rods 7 CA glue medium 8 fuel tubing Brace Fuel Tank Using balsa block provided form a brac...

Page 28: ...ank Slip the plastic throttle push rod guide through the firewall hole and up to throttle servo Add the lite plywood support brackets to the guide as shown left Attach the plywood brackets to the formers as shown and be sure the guides do not interfere with the wing i e place them above the wing saddle If using a secondary bellcrank an extra servo arm will work well drill the engine mount rail sho...

Page 29: ...late Pattern to Cowl Fold the template back out of the way at the tape point and remove the engine Place the cowl back on the fuselage and measure the distance from the firewall front surface to the front outside cowl edge to be 5 5 8 Secure the cowl with masking tape Be sure the cowl is relative straight Lay the template back over the cowl and trace the hole opening onto the cowl surface using a ...

Page 30: ...ort if used A fuel filling port is more than conven ient for filling the fuel tank especially since you can not easily get to the fuel tube inside the cowl 4 Vent Muffler tube When satisfied place a 1 16 scrap of balsa between the spinner backplate the front of the cowl and slide the cowl up to the balsa spacers Mount the cowl with the four screws provided Take time to mark the firewall location a...

Page 31: ...l the way to the stop and tighten Slide the wheel onto the axle next slide the collar onto the axle and enough space to allow the wheel to turn freely Tighten the collar screw Slide the pants over the wheel You may need to pull the wheel pant side out just a bit to get it over the axle Align the wheel pant with the screw holes in the aluminum landing gear insert the pant screws through the landing...

Page 32: ...nto position using the hardware provided with the switch Install Battery Switch Install the switch on the fuselage side opposite the muffler discharge Generally this will be the left side Using the switch backplate mark the switch outline location on either inside or outside of the fuselage whichever is more convenient Cut a hole in the fuselage where you have marked the outline Double up or backu...

Page 33: ...nstallation Install Battery Wrap the battery in protective form and secure with rubber bands The battery will be placed in the fuselage in such a position to assist the proper pitch balance Generally the battery will be placed under the servo tray But this depends upon the engine you use and other weight distribu tion factors Connect the battery plug to the switch Never let the battery float loose...

Page 34: ... it Using a squeegee or straight flat edge squeegee the decal into place Work out all bubbles for a clean flat and bubble free decal application Apply to both sides Apply the Fuselage Cowl decal Attach the nose decal using the same technique as described above Be sure to center it such that the decal is not covered by the wing or the cowl Apply to both sides Apply the Fuselage Rudder decal Cut out...

Page 35: ...leading edge Cut a piece of fiberglass 1 2 to 2 oz to fit about 3 16 to 1 4 inside the masking and from the leading to trailing edge Apply Fiber glass Mix fiberglass resin polyester or thinned epoxy apply to the fiberglass cloth and squeegee out as shown Squeegee it thoroughly into the fiberglass cloth and do not let it built up too much Allow to flow and drip off the leading and trailing edges th...

Page 36: ...n the hole Attach Receiver Box Screw the box bottom to the internal deck using the four 4 screws provided with the Strong Box Cut the interior foam to accept either the receiver alone or the receiver and battery together depending upon the pitch balancing requirements to move the battery fore or aft Install Receiver Plug the servos into the receiver and place receiver into the cut out foam Dress s...

Page 37: ...o adhere to the hinge joint area Place the sealing strip in the hinge joint as shown left Place the strip on the under side of the surface That is the underside of the wing ailerons and elevators and either side of the rudder It only necessary to seal one side although you may seal both sides if you wish Place a thin ruler in the seal strip center to force the fold down to the hinge line Using a s...

Page 38: ...plane prepared to fly Turn the plane upside down and place your fingers under the wing at the C G point the location on the wing is virtually at the intersection of the leading edge and the tip rib However it is easier if you mark the C G on each wing panel wing using the C G decals provided about 5 6 inches out from the root or wing center Place you fingers on the C G points you just marked and c...

Page 39: ...however if you have adjusted the pitch balance correctly the yaw should be set adequately Control Throws The control throw is the amount any one of the control surfaces can move and is generally measured in inches above or below the neutral position or in degrees of deflec tion relative to the neutral position GSRC will give three ranges 1 for intermediate sport pilots 2 for intermediate to advanc...

Page 40: ...ements are made and or 2 At the top of loops Be aware of possible abrupt and undesired flight behaviors as one increases the amount of elevator throw Only very experienced pilots should set the throws above the Sport Pilot recommended throws Also be aware that overall weight power applied and C G pitch location will each and all effect the unintended snap roll behavior 1 Charge your transmitter an...

Page 41: ... cause structurally damaging vibration to your plane and eventual failure 8 Range test the radio With the transmitter antenna in the down or collapsed position the receiver battery switch on move the controls to affirm smooth non jittering control of the control surfaces Walk away from the airplane to a distance of about 100 125 feet While walking away affirm that you have complete smooth and non ...

Page 42: ...ne or more sticks simultaneously is beyond the intended scope of this assembly manual Consult your transmitter manual or a flight instruction book Roll Control Ailerons Stick Position Control Surface Response Plane Response RS to Right Right aileron up Plane rolls to right 1 Left aileron down RS to Left Left aileron up Plane rolls to left 1 Right aileron down Pitch Up Down Control Elevator Stick P...

Page 43: ...craft Try a few loops and axial rolls to test its aerobatic perfor mance Move to a safe altitude and throttle back to a near idle to check its slow speed handling in preparation for landing The Bampf will not slow down immediately when you throttled back due to its very sleek fuselage profile So be prepared to bleed off some speed well before the landing approach With the low resistance cowl profi...

Page 44: ...00000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Trim Feature Maneuver Observation Corrections Corrections Control Centering Straight Level Flight Obtain straight and level flight ...

Page 45: ...upplemental Pictures and Figures Figure 2 Wing and Tail Alignment with respect to Fuselage Figure 3 Wing Leveling Diagram Figure 4 Dremel Tool with sanding drums and cutting disc Figure 5 Tube Bending Tools ...

Page 46: ... 742 2 042 2 042 1 021 1 3 4 2 3 64 2 3 64 1 1 32 1 743 2 043 2 043 1 021 1 3 4 2 3 64 2 3 64 1 1 32 1 428 1 728 1 728 0 864 1 14 32 1 47 64 1 47 64 55 64 Magnum 61 2S 0 000 Magnum 90 2S 0 000 Magnum 53 0 000 Magnum 91 4S 1 75 0 000 Magnum 120 4S 0 000 1 704 2 004 2 004 1 002 1 45 64 2 2 1 Super Tigre S3000 30 cc 1 83 in 3hp 0 000 1 625 1 925 1 925 0 962 1 7 16 1 59 64 1 59 64 31 32 MVVS 120 Twin ...

Page 47: ...00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

Page 48: ...48 Engine Drawings Engine top profiles for make the template to cut out the cowl for engine access OS 91 4 S Outlie ...

Page 49: ... b Extra Spar over wing landing gear Rating 1 10 ______ 1 not important 10 most important c Lite Ply ribs in the wing gear area Rating 1 10 ______ 1 not important 10 most important d 3 16 wire landing gear Rating 1 10 ______ 1 not important 10 most important e Steel Control Horns Rating 1 10 ______ 1 not important 10 most important f Steel Pull pull rudder system Rating 1 10 ______ 1 not important...

Page 50: ...50 ...

Page 51: ...51 Notes ...

Page 52: ...52 This Page intensionally left blank ...

Page 53: ...t Disclaimer Liability Indemnification and Assumption of Risk Before Purchasing the Product See Pages 5 7 for full text The back page of this Assembly Manual is an overview of the Assumption of Risk Legal agreement only ...

Page 54: ...claims demands actions or causes of action for bodily injury death illness disease or damage to myself to any participating minor child of mine or to my property which are related to arise out of or are in any way connected with participation in the above referenced activities including but not limited to those arising from any negligent or reckless acts or omissions or breach of contract of the r...