Seagull Models Mitchell B-25 Assembly Manual Download Page 1

Page: 1 / 71

Speciications:

Wingspan--------------- 95.0 in (241.2 cm).

Wing area--------------- 1191.0 sq.ins (76.8 sq.dm).

Weight------------------- 24.2 lbs (11.0 kg).

Length------------------- 75.7 in (192.3 cm).

Engine/Motor size----- 20cc gasoline engine.

Radio--------------------- 11 channels with 14 servos.

SEA 330 : Without electric retracts landing gear.

SEA330gear: including Electric retracts landing gear.

ASSEMBLY MANUAL

Code : SEA 330

Summary of Contents for Mitchell B-25

Page 1: ... ins 76 8 sq dm Weight 24 2 lbs 11 0 kg Length 75 7 in 192 3 cm Engine Motor size 20cc gasoline engine Radio 11 channels with 14 servos SEA 330 Without electric retracts landing gear SEA330gear including Electric retracts landing gear ASSEMBLY MANUAL Code SEA 330 ...

Page 2: ...r 20cc engines 95 is simply a joy his instruction manual is designed to help you build a great lying aeroplane Please read this manual throughly before starting assembly of your Mitchell B 25 for 20cc engines 95 Use the parts listing below to indentify all parts If you are inexperienced with basic R C light we strongly recommend you contact your R C supplier and join your local R C model Flying Cl...

Page 3: ...ontrol surfaces including the ai lerons elevators and rudder are prehinged with hinges installed but the hinges are not glued in place It is imperative that you prop erly adhere the hinges in place per the steps that follow using a high quality thin C A glue Carefully remove the aileron from one of the wing panels Note the position of the hinges Remove each hinge from the wing panel and aileron an...

Page 4: ...lect the aileron in the opposite direction from the opposite side Apply thin C A glue to each hinge making sure that the C A penetrates into both the aileron and wing panel Using C A remover debonder and a paper towel remove any excess C A glue that may have accumulated on the wing or in the aileron hinge area Repeat this process with the other wing panel securely hinging the aileron in place Ater...

Page 5: ...5 WING TIP BULBS Please see below pictures hey are designed to operate on volt ages 12 volts 2 1 3 4 5 6 7 CA glue CA glue ...

Page 6: ...ion Manual 6 INSTALL THE AILERONS CONTROL HORN Fiberglass control horn Epoxy Fiberglass control horn 8 1 2 3 Epoxy 1 4 2 3 Epoxy Install the lap control horn using the same method as same as the aileron con trol horns INSTALL FLAP CONTROL HORN ...

Page 7: ... a pencil to mark the mounting hole loca tions on the blocks Use drill bit in a pin vise to drill the mouting holes in the blocks Apply 2 3 drops of thin C A to each of the mounting holes Allow the C A to cure without using accelerator Use dental loss to secure the connec tion so they cannot become unplugged Secure the servo to the aileron hatch using Phillips screwdriver and the screws provided w...

Page 8: ... cure without using accelerator Remove the string from the wing at the servo location and use the tape to attach it to the servo extension lead Pull the lead through the wing and remove the string Set the aileron hatch in place and use a Phillips screw driver to install it with four wood screws 3x10mm 8 11 12 13 14 9 10 C A glue ...

Page 9: ... PUSHROD INSTALLATION Please see below pictures INSTALLING THE FLAP SERVO Repeat the procedure for the lap servo INSTALLING THE FLAP PUSHROD Repeat the procedure for the aileron pushrod 15 1 2 1 2 1 2 80mm 80mm ...

Page 10: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 10 SET UP BOTTOM HATCH SYSTEM Please see below pictures 1 5 6 7 8 2 3 4 ...

Page 11: ...11 9 13 10 11 12 Epoxy ENGINE MOUNT INSTALLATION Locate the items necessary to install the engine mount included with your model 1 2 2mm ...

Page 12: ...al 12 6 7 8 9 3 4 5 Use four 4x30mm head bolts and four 4mm washers to attach the engine mount rails to the irewall Tighten the screws Make sure to use threadlock on the screws to help prevent them from vibrat ing loose hread locker glue 4x30mm 3x10mm ...

Page 13: ...13 10 12 11 Position the engine with the drive washe 140mm forward of the irewall as shown 140mm Use a drill to drill the four holes in the engine mount rails 4mm 13 4x30mm 14 15 16 ...

Page 14: ... secures the throttle pushrod wire Make sure to use threadlock on the screw so it does not vibrate loose INSTALLING THE STOPPER ASSEMBLY Using a modeling knife carefully cut of the rear portion of one of the 3 nylon tubes leaving 1 2 protruding from the rear of the stopper his will be the fuel pick up tube Using a modeling knife cut one length of silicon fuel line Connect one end of the line to th...

Page 15: ...k to hold in place the fuel tank with C A glue to secure the fuel tank When satisied with the alignment of the stopper assembly tighten the 3x20mm ma chine screw until the rubber stopper expands and seals the tank opening Do not over tighten the assembly as this could cause the tank to split With the stopper assembly in place the weighted pick up should rest away from the rear of the tank and move...

Page 16: ...e Gear If you want to use retracts in your Michell B 25 for 20cc engines 95 it is a very popular add on as optional we rec ommend that you buy a good set of elec tric retracts as the Himark AM07 Main Gear and Himark AM08 Nose Gear shown as below 8 1 2 3 6 7 Minimum servo spec Torque 61 10 oz in 4 4 kg cm 4 8V 76 37 oz in 5 5 kg cm 6 0V ...

Page 17: ...TRACTABLE LANDING GEAR Electric retractable landing gear is in cluded in this kit shown as below Main Gear If you use the Himark Mair gear please cut of so that length is 170mm shown as below 1 2 5 4 6 170mm 3 Epoxy ...

Page 18: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 18 4 5 6 3x15mm 7 8 9 10 11 ...

Page 19: ...19 15 12 16 13 17 14 18 6x25mm hread locker glue 19 ...

Page 20: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 20 20 21 22 23 24 25 26 80mm 2mm 27 ...

Page 21: ...21 31 28 32 29 33 30 34 Pen 35 1 5mm ...

Page 22: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 22 36 37 38 2x8mm 39 40 41 42 2x8mm 1 5mm 43 ...

Page 23: ...23 47 44 48 45 49 46 50 3x10mm 2mm 2mm 51 3x10mm ...

Page 24: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 24 52 53 54 56 55 57 58 60mm 59 ...

Page 25: ...25 COWLING 5 4 1 2 3 6 7 Please see below pictures 3x15mm 2mm ...

Page 26: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 26 9 8 10 11 3mm 13 12 14 15 ...

Page 27: ...27 17 20 16 18 19 22 21 23 3x10mm ...

Page 28: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 28 24 26 25 27 28 30 29 31 ...

Page 29: ...ric motor box to the ire wall suitable with the cross lines drawn on the electric motor box and irewall Using epoxy and balsa stick to secure the motor box to the irewall Please see pic tures below 1 2 Motor 110 2000 Watts Propeller 17x8 19x10 ESC 85A 8S 9S Lipo Attach the motor to the front of the electric motor box using four 4mm blind nut four M4x25 mm hex head bolts to se cure the motor Please...

Page 30: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 30 hen use 5 5mm drill bit to enlarge the holes on the electric motor box 5 5mm 6 7 8 4mm 140mm 9 11 12 13 M4x20mm Blind nut ...

Page 31: ...31 Balsa stick Epoxy 14 15 16 17 3x10mm 2mm 18 19 20 21 ...

Page 32: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 32 22 23 24 25 6x25mm hread locker glue 26 27 28 29 ...

Page 33: ...33 1 STABILIZER SET INSTALLTION ELEVATOR INSTALLTION SERVO 30 Please see below pictures 2 3 4 Minimum servo spec Torque 194 oz in 14 kg cm 6 0V 236 oz in 17kg cm 7 4V 5 ...

Page 34: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 34 6 2 7 8 9 C A glue 1 5mm 10 11 12 13 ...

Page 35: ...35 ELEVATOR PUSHROD HORN INSTALLATION 2 3 1 4 80mm 1 2 3 Please see below pictures RUDDER SET INSTALLTION ...

Page 36: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 36 6 7 Epoxy RUDDER PUSHROD HORN INSTALLATION 50mm 8 9 1 5 Minimum servo spec Torque 61 10 oz in 4 4 kg cm 4 8V 76 37 oz in 5 5 kg cm 6 0V 4 ...

Page 37: ...37 3 4 5 6 2 4x15mm 7 8 9 ...

Page 38: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 38 10 PILOT INSTALLTION ON STABILIZER 11 1 2 Please see below pictures 3 4 5 6 Epoxy C A glue ...

Page 39: ...VER SWITCH Install the switch into the precut hole in the side in the fuselage 3 32 Hole 1 2 Trim and cut Switch 3 2 INSTALLING THE ENGINE SWITCH Trim and cut 1 Switch 1 ELECTRIC GEAR NOSE INSTALLTION Please see below pictures ...

Page 40: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 40 2 3 4 5 7 8 6 Minimum servo spec Torque 61 10 oz in 4 4 kg cm 4 8V 76 37 oz in 5 5 kg cm 6 0V ...

Page 41: ...41 11 12 9 13 10 3x12mm 14 15 16 NOSE GEAR INSTALLTION ...

Page 42: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 42 17 18 19 20 21 3x3mm 22 23 24 3x3mm ...

Page 43: ...43 27 28 29 25 26 30 31 32 Epoxy Pen ...

Page 44: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 44 33 34 35 36 37 C A glue 2x8mm 38 39 40 ...

Page 45: ...45 42 41 1 1 SERVO GEAR INSTALLATION BOMB BAY DOOR SYSTEM INSTALLATION Minimum servo spec Torque 91 65 oz in 6 6 kg cm 4 8V 113 87 oz in 8 2 kg cm 6 0V 2 3 ...

Page 46: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 46 5 6 7 8 9 Epoxy Epoxy 10 11 4 ...

Page 47: ...47 12 13 Epoxy 14 15 16 17 80mm 18 19 ...

Page 48: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 48 1 INSTALLATION COCKPIT PILOT AND CANOPY Locate items necessary to install 2 3 4 5 6 7 ...

Page 49: ...49 8 9 10 11 12 13 Epoxy 14 15 ...

Page 50: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 50 16 17 18 19 20 21 Epoxy 22 23 Epoxy ...

Page 51: ...51 24 25 26 27 28 29 Epoxy 30 31 Epoxy ...

Page 52: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 52 32 33 34 35 36 37 38 39 ...

Page 53: ...53 40 41 42 43 44 45 Epoxy Epoxy 46 47 ...

Page 54: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 54 48 49 Epoxy 50 51 52 53 Epoxy 54 55 ...

Page 55: ...55 56 57 58 59 60 61 62 63 ...

Page 56: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 56 64 65 66 67 68 Epoxy 69 70 71 ...

Page 57: ...57 72 73 74 75 76 Epoxy 77 78 79 8mm ...

Page 58: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 58 80 C A glue 81 82 83 84 85 COKPIT INSTALLATION ON TOP HATCH 1 Locate items necessary to install ...

Page 59: ...59 2 3 4 5 6 7 8 Epoxy 9 ...

Page 60: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 60 10 11 12 Epoxy 13 14 15 16 C A glue ...

Page 61: ...neccessary to install the plastic parts included with your models 1 Position the plastic parts onto the can opy and fuselage and apply C A glue and hold the plastic parts secure until the glue fully cures Please see pictures below 2 3 4 5 6 7 Epoxy ...

Page 62: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 62 GUN INSTALLATION TWO SIDE OF FUSLAGE Please see pictures below 9 10 1 2 11 Epoxy 8 3 ...

Page 63: ...63 4 5 6 7 8 9 Epoxy 10 11 Epoxy 6mm ...

Page 64: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 64 13 12 14 15 16 17 18 19 ...

Page 65: ...65 STABILIZER INSTALLATION INTO FUSELAGE 20 Epoxy 1 Please see below pictures 2 3 4 5 6 7 ...

Page 66: ...Mitchell B 25 for 20cc engines 95 Instruction Manual 66 9 10 11 12 13 14 15 8 4x20mm hread locker glue ...

Page 67: ...e from oily ingerprints and dust Position decal on the model where desired using the photos on the box and aid in their location APPLY THE DECALS BALANCING 1 It is critical that your airplane be balanced correctly Improper balance will cause your plane to lose control and crash THE CENTER OF GRAV ITY IS LOCATED 100MM BACK FROM THE LEADING EDGE OF THE WING AT THE WING ROOT 2 Mount the wing to the f...

Page 68: ...wing attached to the fuselage all parts of the model installed ready to ly and empty fuel tanks hold the model at the marked balance point with the sta bilizer level Lit the model If the tail drops when you lit the model is tail heavy and you must add weight to the nose If the nose drops it is nose heavy and you must add weight to the tail to balance If possible irst attempt to balance the model b...

Page 69: ...69 30 40mm 20 25mm 25 30mm 25 30mm Wing Fuselage 20 25mm 30 40mm 30mm 60mm ...

Page 70: ...the right he right aileron should move up and the other aileron should move down If it does not lip the servo reversing switch on your transmitter to change the direction 1 Completely charge your transmit ter and receiver batteries before your irst day of lying 2 Check every bolt and every glue joint in the Mitchell B 25 for 20cc en gines 95 to ensure that everything is tight and well bonded 3 Dou...

Page 71: ...1A Hamlet 4 Le Van Khuong Street Dong hanh Ward Hoc Mon District Ho Chi Minh City Viet Nam Oice 62 8 Ngo Tat To Street Ward 19 Binh hanh District Ho Chi Minh City Viet Nam Phone 848 86622289 or 848 36018777 Website www SeagullModels com Email Sales seagullmodels com Facebook www facebook com SeaGullModels ...

Search results

Summary of Contents for Mitchell B-25

Reviews:

Related manuals for Mitchell B-25

Brands by name

Popular brands

Seagull Models Mitchell B-25, Assembly Manual

Search results

Summary of Contents for Mitchell B-25

Reviews:

Related manuals for Mitchell B-25

Brands by name

Popular brands