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Mountain Models HiperBipe, Instruction Manual, Page: 7 / 46

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Mountain Models HiperBipe Instruction Manual Download Page 7

12. Press the 

1

32

" Ply F21a 

into 

3

32

" Balsa F21. Make a 

LEFT and RIGHT, 
assembling them side by 
side, as shown. Making sure 
they are pressed fully 
together.

13. Glue the 

1

16

" balsa F21b 

onto F21a, using thick CA, 

being sure that they are lined 
up.

14. Secure the dovetail joints 

between F21 with thin CA.

7

Summary of Contents for HiperBipe

Page 1: ...rBipe Scale Aerobatic Electric Model HiperBipe Specifications Wingspan 35 38 in Length 31 3 in Wing Area 358 sq in Weight Ready to Fly 20 to 24 oz Wing Loading 8 0 9 6 oz sq ft Version 1 0 September 23 2011 ...

Page 2: ...rvos as described in advertisements and in this manual We do NOT support nor can Mountain Models assist in determining the suitability or use with any other electronics or hardware not recommended by Mountain Models For the proper electronics to complete this model replacement parts and product assembly questions please contact Mountain Models online at www MountainModels com Thank you for purchas...

Page 3: ...40 x 3 8 Socket Cap Screws 2 4 40 x 3 8 Phillips Head Screws 14 2 x Pan Head Screws 2 DuBro 186 Micro Sport Wheels 2 DuBro Control Horns 3 1 8 x 2 5 Dowels 1 12 Spider Wire 2 3 16 x 3 32 Magnets 1 Velcro 8 Double Sided 8 4 Washers 1 Sullivan 1 2 Tailwheel Sub Bagged Parts 4 DuBro Micro EZ Links 6 DuBro Micro Servo EZ Connectors Building Materials and Tools You Will Need Smooth and FLAT work surfac...

Page 4: ...ful with it however you will also need to use a little bit of force to make everything fit properly so don t be too timid Do not remove any pieces from the balsa sheets until they re ready to be used That way parts won t get mixed up or disappear Do NOT glue anything until told to do so Join all of your pieces using thin CA Cyanoacrylate glue unless we tell you otherwise In general only a small am...

Page 5: ...P rotating it into place Do NOT glue it yet 2 Press the crutch into the 1 16 plywood F4 with the text of F4 facing FORWARD Do NOT glue it yet 3 Glue the 3 32 Balsa F14 parts together to form F14 using thin CA as shown below 4 Glue in the 4 washers flush with the TOP of F14 5 Press F14 into F3 but do NOT glue yet 5 ...

Page 6: ...re they are flush with the part using a hammer if needed 8 Press 3 32 balsa F7 into TOP of F5 Do NOT glue yet 9 Insert 4 40 T Nuts into TOP clean side of 1 8 Lt Ply F10 10 Press 1 8 Balsa F9 into F10 with the taxt facing as shown in the image to the left Do NOT glue yet 11 Press the F9 F10 assembly into F4 as shown below Do NOT glue yet 6 ...

Page 7: ... Make a LEFT and RIGHT assembling them side by side as shown Making sure they are pressed fully together 13 Glue the 1 16 balsa F21b onto F21a using thick CA being sure that they are lined up 14 Secure the dovetail joints between F21 with thin CA 7 ...

Page 8: ...into F21 Then pick it up and press the doubler fully onto the crutch So it a bit at a time and do not press on any area that does not have a former or crutch behind it Do NOT glue anything yet 16 Press the 1 8 Lt Ply F6 and F10 assembly into the fuselage side doubler as shown The T Nuts on F10 are to the FRONT of the plane Do NOT glue them in yet 8 ...

Page 9: ...e plywood facing to the OUTSIDE 18 Yes you really do get to use the glue bottle in earnest Glue all of the joints in the assembly with thin CA AFTER making sure all parts are fully pressed together and that F9 is at a slight angle to match the slots in the side doublers 9 ...

Page 10: ... F15 in place in the fuselage crutch as shown The small holes in F15 for hatch screws goes to the back of the fuselage Do NOT glue it in place yet 21 Press the 1 8 Lt Ply F8 in place as shown Make sure it is straight and fully inserted and secure it with thin CA 10 ...

Page 11: ...sembly Secure with thin CA 23 Glue the 1 16 Balsa fuselage sides together consisting of F23 F23a F23b F23c and F23d The parts shown below marked with X s have the dirty side of the wood facing up for best parts fit 24 Repeat step 23 to make the other fuselage side 11 ...

Page 12: ...sa F19 3 32 Balsa and F12 3 32 Balsa together with thin CA as shown above 26 Glue a fuselage side onto the RIGHT side of the fuselage crutch assembly with thick CA Make sure the fuselage side is pressed completely onto the crutch assembly 12 ...

Page 13: ...glue yet 27 Press the LEFT fuselage side onto the crutch and F11 assembly Square up the fuselage and secure the joints with thin CA 28 Glue the Landing Gear Mount parts together using thick CA and 1 8 dowel for alignment LG1 1 8 Lt Ply LG2 1 16 Ply LG3 1 32 Ply and LG4 1 16 Ply 29 Glue the Landing Gear Retainers together using thick CA and 1 8 dowel for alignment LG2a 1 16 Ply and LG3a 1 32 Ply 13...

Page 14: ...30 Slide the Landing Gear mount in place with LG1 facing the FRONT Glue in place with thin CA 31 Glue F20 and F18 in place on the fuselage ONLY glue in F20 at this time with thin CA 14 ...

Page 15: ...17 parts together with thin CA Slide the F17 part into the fuselage by bending it slightly Use thick CA to glue it in place over the formers 34 Glue the 3 16 Balsa F25 in place as shown with thick CA 35 Glue the 3 32 balsa H1 and H1a parts together using thin CA 36 Glue H1 onto the H2 parts using thick CA making sure that it forms to the curve on the H2 parts 37 Glue the 1 16 Ply H3 tabs in place ...

Page 16: ...sa FH6 parts onto the 1 16 plywood FH9 parts making sure to line up the slots in the bottom Make a RIGHT and LEFT version as shown in the image 37 Glue the 3 32 Balsa FH1 and FH1a parts together using thin CA 38 Glue the 1 32 Ply FH3 and 1 16 Balsa FH3 parts together using thick CA and 1 8 dowel to align the parts 39 Dry assemble FH1 FH2 FH3 and the FH6 FH9 assembly with the plywood on FH9 facing ...

Page 17: ...rts together using thin CA 43 Dry fit FH4 in place on the hatch frame When satisfied with the fit glue it in place with thin CA 44 Glue in place the 1 16 Plywood FH10 parts in place on the hatch as shown with thick CA 45 Glue in place the 3 16 x 3 32 magnets flush with the hatch bottom with thin CA 46 AFTER COVERING glue in the 3 16 Balsa FH4 with thick CA 17 ...

Page 18: ... of pushrod in front of the former 48 Trim the pushrod housing flush with the fuselage top and bottom where they exit 49 Glue all 1 8 Balsa tail parts together with thin CA as shown in the images above Glue the 1 8 Basswood skid in place with thick CA The Basswood skid is in the parts bag 18 BOTTOM VIEW ...

Page 19: ...ith 320 Grit sandpaper 52 Sand a bevel in the elevator and rudder as shown The easiest way to do this is by placing a metal straight edge below the part and one on top of the part That way you don t end up with a wavy hinge line 50 Glue all 1 8 Balsa Stab and Elevator parts together with thin CA as shown in the images above 19 ...

Page 20: ...Press the 1 8 Lt Ply MM1in place as shown 55 Make sure parts are fully inserted and secure with thin CA 56 Glue MM5 in place with thick CA 57 Insert 4 40 T Nuts from behind as shown Use a washer on a 4 40 x 3 8 cap head screw and screw it into the T Nut to pull the T Nut in place 20 ...

Page 21: ...re 59 Glue the 1 16 balsa P4 to 3 32 Balsa P3 with thick CA 60 Glue the 1 16 Plywood P5 through P4 to P3 with thick CA 61 Glue the remaining P2 2 ea P7 and P8 together with thick CA making sure to line up the edges 62 Repeat Steps 59 to 61 to make the oposite side REMEMBER to make a LEFT and RIGHT wheel pant Double and tripple check the parts alignment to make sure you do not make 2 of one side 21...

Page 22: ... an easy job 64 Bend the tail gear wire from 0 032 wire Attach the tailwheel by sliding the wheen onto the wire and then bending the wire up 90 degrees to keep the wheen on This completes the major assembly steps of the fuselage Set the parts aside in a place where they will not get damaged taken by kids or eaten by the dog 22 ...

Page 23: ...th thin CA W1 x 2 W10 x 2 W11 x 2 W16 x 2 2 Glue the rib assembly W5T W6T W5T together with Thick CA using the holes to line the parts up with 1 8 dowel 3 Slide the ribs onto the main spar as shown below The tall part of W14 goes up Do NOT glue anything yet 23 ...

Page 24: ...into rib W2T Do NOT glue it yet 5 Slide W13 onto each W12 but do NOT glue it yet 6 Press spar cap W10 onto W1 as shown making sure that the slot in the center of the part faces the back of the wing Do NOT glue it 7 Glue the 1 32 Ply W19 onto the middle of W16 lining up the notches and holes with Thick CA 24 ...

Page 25: ...assembly as shown below 11 Weigh the wing down to keep it flat on the spar and building tabs on the ribs Make sure the leading edge is straight and that all parts are fully pressed together Secure all joints with Thin CA 12 Glue on the 3 16 Balsa W22 parts onto the trailing edge plywood as shown with Thick CA Be sure to line up the holes The holes in W22 are bigger than the holes in the plywood 13...

Page 26: ...ont of the spar and in between the spar caps with Thick CA 16 Glue in the 3 32 stringers 2 on each wing side on the top of the wing Line them up with the outside of W9 They will overhang in the center slightly Trim them to fit after the wing is completed 17 Remove weights flip the wing over and glue in the 3 32 stringers on the bottom of the wing 26 ...

Page 27: ...n the image above 19 Glue together W7 W28 W7 using Thick CA and 1 8 dowel through the holes for alignment Do NOT glue in the dowels Do this step twice to make 2 assemblies 20 Slide ribs onto the W1 Spar as shown above Press the 3 16 Balsa W23 into the center of the W1 Spar The plywood side of W3a faces the CENTER of the wing Do NOT glue them yet 27 ...

Page 28: ...de W12 onto each wing half a little at a time to prevent breaking it Press the tabs on the end of W12 into rib W2 Do NOT glue it yet 23 Slide W13 onto each W12 but do NOT glue it yet 24 Glue the 1 32 Ply W19 onto the middle of W16 lining up the notches and holes with Thick CA 28 ...

Page 29: ...hown making sure that the slot in the center of the part faces the back of the wing Do NOT glue it 26 Slide W16 onto the ribs with the plywood DOWN Slide it in place a little at a time on each rib to keep from breaking it Do NOT glue 29 ...

Page 30: ...27 Turn the wing over and press W11 in place on W1 28 Turn the wing back over to sit on the rib building tabs Slide W27 ont the W9 end ribs and then press it onto the tabs of W16 30 ...

Page 31: ...art in place with Thick CA 32 Remove weights flip the wing over and glue in the 3 32 stringers on the bottom of the wing 29 Weigh the wing down to keep it flat on the spar and building tabs on the ribs Make sure the leading edge is straight and that all parts are fully pressed together Secure all joints with Thin CA 33 Glue on the 1 8 Balsa W18 in place on the front of the spar and in between the ...

Page 32: ...upport 35 Press the Balsa WSM2 parts into the slot in the W1 spar The back of WSM2 rests on the trailing edge suppport Do NOT glue it yet 36 Press WSM4 and WSM5 in place as shown and then press WSM3 in place from below After everything is lined up secure all the parts with Thin CA WSM3 and WSM5 sit below the surface of the parts next to them to form a shelf for the servo cover to rest on 32 ...

Page 33: ...ed that they are properly installed glue them with Thin CA 39 Glue the 3 32 W26 Parts in place as shown above with Thin CA 40 Glue on the 3 16 Balsa W22 parts onto the trailing edge plywood as shown with Thick CA Be sure to line up the holes The holes in W22 are bigger than the holes in the plywood 33 ...

Page 34: ...s the Aileron ribs in place as shown below but do NOT glue them yet They are 1 16 Balsa A3 1 8 Balsa A2 and 1 16 Ply A4 Make sure they are fully pressed in and glue them with Thin CA Repeat to make 2 LEFT and 2 RIGHT ailerons 43 Press 3 32 A5 in place Make sure it is fully inserted and FLAT against the ribs After you make sure that the aileron is straight and FLAT secure it with Thin CA Repeat to ...

Page 35: ...ith 320 grit sandpaper 2 Sand the leading edge of both wings round as shown in the image to the right 3 Use a piece of 1 8 Balsa with sandpaper glued to one side to sand the top and bottom fuselage sheets where they come together in the slot for the Horizontal Stab as shown in the image to the right 4 Lightly sand the entire airframe finishing with 320 grit sandpaper The smoother finish sanding yo...

Page 36: ...plane components 3 Inspect your wings for any warps If a wing is warped remove the warp by twisting it the oposite direction and heat the covering with your covering iron Do this a little at a time until the warp is gone 4 You will open up some areas after you are done covering These areas include the side windows in the Fuselage slots in the fuselage sides for the Horizontal Stab slots for the Ve...

Page 37: ...lue in the 1 16 Ply WS3 parts into the slots in the ribs as shown Dry fit them first to make sure you have them installed correctly 2 Cut 1 8 dowel into 4 pieces each 1 2 long 3 Glue the dowels into the wings as shown 37 ...

Page 38: ...heel through another 1 8 Lt Ply spacer and out the other side of the wheel pant 5 Secure the wheel pant to the landing gear wire with 2 x 1 4 screws going through the 1 16 Ply part and into the wheel pant 6 Glue the landing gear fairings onto the landing gear wire as shown below with Thick CA You can cover the wire with a piece of covering or covering trim 38 ...

Page 39: ...moved if need be later on 8 Drill a 1 32 hole through the basswood skid where the tail gear wire should go through The angled section of the tail gear wire that leads to the wheel sits at the back end of the basswood skid 9 Press the tail gear into the hole and wrap the tail gear wire to the basswood skid with the Spider Wire included in the parts bag Glue the wire with Thin CA Wire pressed into 1...

Page 40: ... through the fuselage and into the slots in the Stab Make any adjustments like sanding lightly to make sure they fit properly 11 When happy with the fits glue the Stab Vertical and Skid in place making sure that the Vertical Fin is at a 90 degree angle to the fuselage and the Stab is Horizontal 40 ...

Page 41: ... sure that they move freely in each direction If they do not remove the tape and try again 13 Install the Control Horns as shown using Thick CA Trim the excess tabs sticking out the other side of the Rudder and Elevator 14 Press the Motor mount into the front former making sure it is FULLY seated against the former Glue it in place with Thin CA 41 ...

Page 42: ...th your servos 19 Place an L Bend at the end of the 2 pieces of 0 032 wire 20 Slide the pushrod wires into the pushrod tubes from the back and press the L bend into the control horns on the elevator and rudder Make sure the pushrod wires go through the Servo connectors on the servos as well 21 Secure the pushrod wires to the control horns with the included DuBro Micro EZ Links small white plastic ...

Page 43: ...ervo 25 Trim off the servo arm side that is not being used will be inside the wing so the servo will fit into the wing 26 Install the aileron servos into the wing as shown using the screws included with the servo Do NOT press to hard because you do not want to accidentally break the ribs that the servo goes through It helps to hold the ribs from the top and bottom between your fingers while instal...

Page 44: ... Nut with a washer under the bolt and nut 32 Install DuBro EZ Servo Connectors as shown in the image below 33 Place an L Bend in a 0 032 wire Install wire through the EZ Servo Connector and secure to the servo using the DuBro EZ Link 34 With the servo centered and aileron flush with the wing secure the EZ Servo Connector and trim off the wire about 1 4 aft of the connector 35 Place a Z Bend in the...

Page 45: ... necessary so the hatch can slide in from the side 42 Install side windows and top front window on fuselage and top window on the top wing with Canopy Glue 43 Set the Control Throws as shown below 44 Secure your ESC and RX as far forward as you can using sticky backed Velcro RUDDER High Rates 1 Left and Right Low Rates 3 4 Left and Right AILERONS High Rates MAX Up and Down Low Rates 1 4 Up and Dow...

Page 46: ...a smooth surface to take off from If flying from grass remove the wheel pants You can also hand launch the model if you want If you do hand launch throw the model LEVEL and not up or down Also do NOT run when hand launching an airplane 3 After gaining altitude and trimming the model out check the stall so you can see how slow you can land the model The HiperBipe can slow down very nicely 4 Have so...

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