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Bogie 72™ 

Old Timer Electric Model 

 

 

Little Bogie™ Specifications 

Wingspan:

 72.0 in.  

Length: 

39.0 in.

 

Wing Area:

 655 sq. in. 

Weight (Ready to Fly):

 28 to 30 oz. 

Wing Loading:

 6.1 – 6.6 oz. / sq. ft. 

 
 
 
 
 
 

Version 1.05, July 20, 2011

Содержание Bogie 72

Страница 1: ...Bogie 72 Old Timer Electric Model Little Bogie Specifications Wingspan 72 0 in Length 39 0 in Wing Area 655 sq in Weight Ready to Fly 28 to 30 oz Wing Loading 6 1 6 6 oz sq ft Version 1 05 July 20 2011 ...

Страница 2: ...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 The second plane in our Nostalgia line is the Bogie 72 We took our Little Bogie cul de sac small field plane and redesigned it for a full 6 FOOT wing span The Bogie 72 will effortlessly fly on the Scorp...

Страница 3: ... 40 T Nuts 8 4 40 x 3 8 Phillips Head Screws 1 4 40 x 5 8 Phillips Head Screw 4 DuBro 1 8 Wheel Collars 2 DuBro Micro Servo Connectors 8 3 16 Dia x 3 32 Magnets 2 1 4 Dia x 0 1 Magnets 2 DuBro Control Horns 2 Pin 2 DuBro 2 SL Wheels 1 Double Sided Velcro Seatbelt 1 Sticky Backed Velcro 10 Rubber Bands Building Materials and Tools You Will Need Smooth and FLAT work surface Wax paper or clear plasti...

Страница 4: ... careful 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 sma...

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Страница 9: ...ether Use the 1 8 dowels cut the 1 8 dowel into 1 2 lengths through the holes to make sure that the parts are properly aligned BEFORE the glue sets You can use thick CA if you are careful Or you can use a 5 minute epoxy or white glue to give you more working time STEP 1 Glue the 3 16 balsa pylon parts together They are labeled A and B for each side Every other part will be upside down for better p...

Страница 10: ...embly is much harder to do though it is still possible STEP 5 Test fit the pylon into the fuselage top sheet Sand the sides of the pylon if necessary so it fits through the slot smoothly STEP 7 Install 4 ea 4 40 T Nuts into the BACK of the Firewall Make sure they are fully pressed in place and flat Secure the outside edges with thin CA but make sure not to get any CA in the threads ...

Страница 11: ...rutch The engraved TOP on the crutch should of course be on the top Do NOT glue them together yet STEP 9 Press the 1 8 Lt Ply F2 onto the crutch pylon assembly with the engraved text to the FRONT and press the firewall onto the crutch pylon assembly with the engraved text to the front and T nuts in the BACK Do NOT glue them together yet ...

Страница 12: ...g SURE that all parts are fully pressed into place secure all joints with some thin CA Do NOT glue the fuselage sides together at the rear STEP 11 Press the 3 32 balsa F3 F4 and F5 formers into the fuselage sides with the engraved TEXT FACING FORWARD Do NOT glue them in place yet F3 F4 F5 ...

Страница 13: ...y pressed into place and glue it with thin CA After it is glued in place remove the inside of it using an X Acto to trim on the engraved lines STEP 14 Press the balsa fuselage bottom in place and then remove the front hatch MAKE SURE that all the fuselage parts are pressed fully in place against each other and start securing all the joints with thin CA Work a little at a time making sure not to tw...

Страница 14: ...place as shown Glue 1 magnet in place as shown flush with the bottom of the hatch STEP 16 Glue the 1 16 balsa tail skid parts onto the 1 16 plywood tail skid Make sure you have them lined up properly STEP 17 Glue the 3 32 balsa tail center parts together as shown Use the holes and 1 8 dowel to properly align the parts STEP 18 Glue the 1 8 Lt Ply landing gear mount parts together Make usre the outs...

Страница 15: ...he holes line up STEP 20 Install and glue the pushrod housings in the fuselage in the locations shown on the plan sheet W1 W1 STEP 22 Glue together the two 3 16 balsa W1 ribs as shown below Use the holes and 1 8 dowels to align the parts STEP 21 Glue together the 1 16 balsa WS1 parts as shown below ...

Страница 16: ...ment Repeat this with the plywood on the OTHER side so you have a left AND right STEP 25 Press WS1 into W24 as shown below MAKE SURE you use the right side of W24 so the ribs line up with the notches in W24 Also do not forve the fit If it s a bit tight pinch the balsa tabs and then they ll fit better Slide the ribs onto the main Spar as shown below The plywood side of W17 goes towards the OUTSIDE ...

Страница 17: ...ed all the way into the slots Do not glue it yet Press the 1 8 balsa W25 spar cap in place Do NOT glue it yet W37 W25 STEP 27 Press the 1 16 balsa half ribs in place as shown below Make sure W14 is pressed fully into the trailing edge Do not glue them in place yet W12 W13 W15 W16 W14 ...

Страница 18: ...followed by W30 Double check that all the parts in the wing are fully inserted and then secure all the joints with thin CA STEP 29 Press the 3 32 balsa turbulators W40 W41 and W42 in place Make sure that the recessed area on them is at the center of the wing as these alow the sheeting to fit over them Glue these parts in place with thin CA Slide the 1 8 balsa W46 in place through the ribs as shown...

Страница 19: ...ul to not get glue inside the joiner area WJ1 WJ2 STEP 31 Repeat steps 25 through 30 for the other half of the center wing panel STEP 32 Glue the 1 16 balsa W36A and W36B parts together and the W35A and W35B parts together With one wing panel flat on the table set the other wing tip at 1 7 8 fromt he table to the bottom of the rib Glue the center sheeting in place as shown below W36A B W36C W35C W...

Страница 20: ...ey ll fit better Slide the ribs onto the main Spar as shown below The plywood side of W17 goes towards the OUTSIDE Press the ribs into the 1 8 trailing edge W38 Do NOT glue them yet W38 W26 WS2 W18 P W7 W8 W9 W10 W11 STEP 34 Press the 1 8 balsa W27 spar cap in place Do NOT glue it yet Press the 1 16 balsa half ribs W19 to W22 in place as shown below Do not glue them in place yet W21 W19 W20 W22 W2...

Страница 21: ...ce followed by W34 Double check that all the parts in the wing are fully inserted and then secure all the joints with thin CA W31 W32 W33 W34 STEP 36 Press the 3 32 balsa turbulators W43 W44 and W45 in place They are curved near the outise so pay attention when installing them Glue these parts in place with thin CA Slide the 1 8 balsa W47 in place through the ribs as shown below and on the plans S...

Страница 22: ...oiner ribs That material aided in keeping things straight for building but remove it now Do NOT sand into the plywood doublers on W17 and W18 STEP 38 Install 1 set of magnets into the main panel joiner ribs as shown below Make sure they are flush and glue them in place with thin CA Press the 1 8 dowels in place as shown and secure with CA Make sure they are perpindicular tothe rib Leave about 1 2 ...

Страница 23: ...the magnets you marked in step 40 into the tip panels Make sure you can NOT see the mark you placed on them Make sure they are flush with the rib and glue them in place Repeat this for the other tip panel STEP 41 Test fit the plywood wing joiners into the wing panels If they are too tight sand just a little of the bottom of the slot in the plywood rib Slide the tip panels onto the center wing pane...

Страница 24: ...d breaking them put some blue painters tape across the ribs to protect them Finish sand the rest of the wing with 320 or 400 grit sandpaper STEP 43 Lightly finish sand all of the fuselage parts with 320 or 400 grit sandpaper Rounding off the corners makes it look better when it s covered Also remove the remaining plywood parts from their sheets for the pylon and sand them as well ...

Страница 25: ...and the tail parts You can round the OUTSIDE edges of the parts if you d like for a nicer looking finished model STEP 44 Protect the plans by laying down clear plastic wrap over them Build the tails over the plans using thin CA on all the joints STEEL RULER STEEL RULER SANDING BLOCK TOP VIEW OF RUDDER SIDE VIEW OF ELEVATOR TOP OF ELEVATOR V2 V1 V4 V3 V5 V6 V7 V8 V9 R3 R1 R2 R4 S3 E2 S1 S7 S10 S8 S...

Страница 26: ...l need to poke a hole in the covering for the fuselage top for the rudder pushrod to go through STEP 48 Bend the control rods as shown on the plans The ones shown here are NOT TO SCALE STEP 48 Bend the control rods as shown on the plans The ones shown here are NOT TO SCALE STEP 49 Install the DuBro micro servo connectors on the servo horns and then put the horns onto the servos Install the servos ...

Страница 27: ... tail skid to the fuselage as shown using epoxy Make sure it is perpendicular to the fuselage and has a good glue joint STEP 55 Test fit the remaining magnet in the hole in the fuselage hatch shelf Lightly sand the inside of the hole if needed Then place that magnet on the magnet that is already glued into the hatch Mark the side of the magnet that is showing with a pen This is so you do NOT glue ...

Страница 28: ...e landing gear wire into the fuselage followed by the 1 8 Lt Ply landing gear retainer Secure the landing gear by pressing the 4 40 x 5 8 screw through the holes in the landing gear mount parts and securing into the T Nut behind the firewall STEP 58 Secure the wheels onto the landing gear wires using the included 1 8 Wheel Colars Use one on each side of the wheel ...

Страница 29: ...cut so they can only fit together the right way STEP 60 Install the remaining 4 4 40 T Nuts into the back of the motor mount STEP 61 Bolt the motor to the motor mount using the 4 40 x 3 8 screws included in the kit STEP 62 Mount the motor mount to the firewall using three 4 40 x 3 8 screws ...

Страница 30: ...and elevator as shown STEP 65 Insert the elevator control horn through the hole in the fuselage top and slide it onto the elevator pushrod Z bend This can be a bit tricky but take it slowly and you ll get it Alternatively you could pull the pushrod out through the hole with some needle nose pliers hook up the elevator control horn and then press it back into the fuselage ...

Страница 31: ...pendicular to the stab and is fully seated You can use thick CA or a THIN application of epoxy The 2 tabs on the vertical will be sticking out the bottom of the stab These tabs will properly align the stabilizer to the fuselage Elevator at full deflection TAPE STEP 68 Hinge the elevator to the stabilizer with tape You can use average clear packing tape or Blenderm Keep the elevator in the down pos...

Страница 32: ... SMALL amount of epoxy STEP 69 Hinge the rudder to the vertical with tape the same way you did the elevator STEP 71 Set the control throws as follows LOW RATES Rudder 1 left and right Elevator 1 2 up and down HIGH RATES Rudder Max possible left and right Elevator 1 up and down ...

Страница 33: ...6 of the included rubber bands Make sure the wing is centered on the pylon Balance the plane at 3 8 behind the leading edge of the wing If you can not move the battery enough to reach this balance point you can also try bending the landing gear forward or aft to help out a bit As long as you use the reccomended components the CG should be easy to get right ...

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