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  Great Planes adhesive-back Velcro (GPMQ4480)

  Electrifl y Powermatch Power Meter Balancer (GPMM3220) 

IMPORTANT:

 Before connecting multiple battery packs with 

adapter plugs, refer to the 

Battery Precautions

 on page 12.

OPTIONAL:

If using the GPMG1260 brushless motor mount for large 
motors, it is suggested to replace the Phillips screws and 
thin washers that come with the mount with socket-head cap 
screws and regular washers (see page 13):

  3 x 8mm socket-head cap screws (DTXC8640) 

  3mm fl at washers (DUBQ3307) 

A 2.0mm precision-machined hex driver (DTXR0289) is also 

suggested for securely tightening the set screws in the collar 
on the shaft of the RimFire 1.20

The preferred propeller for the RimFire 1.20 on 6S is either 
the APC 17 x 8E (APCQ4018) or the Xoar 17 x 8 Electric 
Series propeller (XOAQ4073).

Note: 

The battery wires from the ESC will have to be extended 

to reach the battery. See page 14 for more details. Following 
are the items that will be required:

  2’ Deans 12 gauge silicone wire (WSDC1000)

  Deans Ultra Plug

 set (WSDM3001)

  Electrical solder, soldering fl ux, soldering iron

LIPO BATTERY CHARGER REQUIREMENTS

A LiPo-compatible battery charger with cell balancing is required. 

When shopping for a charger (if you don’t already have one) 

select a charger (and DC power supply if required) capable 
of enough power (Watts) to charge your batteries within an 
acceptable time—usually one hour. Once you calculate the Watts 
required add in a factor of 20% for loss from normal ineffi ciency:

To fi nd out how many Watts are required to charge a 6S, 

5,000mAh battery, fi rst multiply the number of cells (6) times 
the Voltage of a fully-charged LiPo cell (4.2V):

6 x 4.2V = 25.2V

Then multiply the Voltage of the fully-charged pack by the 

pack’s capacity in Amps:

25.2V x 5A = 126 Watts

Finally, increase the Watts needed from a charger by a factor 
of 20%:

126 Watts x .2 = 25W + 126W = approximately 150 Watts.

You will need a charger capable of approximately 150 Watts 

to charge a 6S 5000mAh battery in about one hour.

If you use two 5000mAh 3S batteries connected in series 
with a series adapter you will need a charger capable of 
approximately 75 Watts (3 x 4.2 x 5 = 63 + (63 x .2) = 75W). 
But then you will have to charge each battery separately 

(unless you purchase a charger with multiple charging ports).

If your charger is not capable of the Watts required you should still 
be able to charge the battery, except it will take more than one hour.

Radio Equipment

The Sequence can be fl own with as few as four channels, but 

the ailerons will have to be connected to the same channel 
in the receiver via a dual servo connector (FUTM4130 for 
Futaba) and the elevator servos will have to be connected to 
the same channel via a servo reverser (FUTM4150). If fl ying 
with six channels, the ailerons and elevators can be linked 
electronically through the programming in the transmitter to 
allow for unlimited mixing/fi ne-tuning options. 

Pattern fl yers typically prefer digital servos. Powering the 
servos from a 6V receiver battery is also in-line with current 

pattern practices, but make certain the servos you chose 
are compatible with 6 Volts. Following are the recommended 

Futaba servos with the associated servo extensions illustrated 

in the manual—if setting up your model differently, different 
extensions may be required:

  Rudder: S9155 (FUTM0215)

  Elevators (2): S9650 (FUTM0260) (2 pcs. 36" [915mm] 

servo extension—TACM2726)

  Ailerons (2): S9252 (FUTM0222) (4 pcs. 6" [150mm] 

servo extension—TACM2701)

  Throttle (for glow): S3102 (FUTM0034) (12" [305mm] 

servo extension—TACM2711)

  HydriMax 1600mAh 6.0V NiMH (HCAM6342) or 2000mAh 

6.0V NiMH (HCAM6351) receiver battery

  Futaba Switch Harness (FUTM4370)

  Great Planes 3"[75mm] double-sided servo arm (for the 

rudder servo, GPMM1165) 

NOTE:

T h e   e l eva t o r 

s e r vo s   mu s t 
m e a s u r e   n o 
more than 11/16" 
[18mm] from 
the bottom up 
to the mounting 
grommets in order to fi t in the horizontal stabilizers. Taller 
servos will require shimming to fi t.

ADHESIVES, HARDWARE AND

OTHER ACCESSORIES

Other than common hobby tools here is a list of the rest of 
the items required:

  1/2 oz. [15g] Thin Pro CA (GPMR6001)

  1/2 oz. [15g] Medium Pro CA+ (GPMR6007)

  2 oz. [57g] spray CA activator (GPMR6035)

  Threadlocker thread locking cement (GPMR6060)

  2-1/2" spinner (GPMQ4770)

  8mm Propeller Reamer (for O.S. engines or RimFire 

1.20 brushless motor) (GPMQ5007)

  Drills bits: 1/16" [1.6mm], 3/32" [2.4mm], 1/8" [3.2mm], 

7/32" [5.6mm], 7/64" [2.8mm]

11/16"

[18mm]

Summary of Contents for Sequence 1.20

Page 1: ...using the user assembled product the user accepts all resulting liability If the buyer is not prepared to accept the liability associated with the use of this product the buyer is advised to return t...

Page 2: ...des liability insurance coverage protects modelers rights and interests and is required to fly at most R C sites Academy of Model Aeronautics 5151 East Memorial Drive Muncie IN 47302 9252 Tele 800 435...

Page 3: ...of your finished model depends on how you build it therefore we cannot in any way guarantee the performance of your completed model and no representations are expressed or implied as to the performanc...

Page 4: ...ill need a charger capable of approximately 75 Watts 3 x 4 2 x 5 63 63 x 2 75W But then you will have to charge each battery separately unless you purchase a charger with multiple charging ports If yo...

Page 5: ...ght side of the page Follow the instructions provided on the page to locate a U S Canadian or International dealer Parts may also be ordered directly from Hobby Services by calling 217 398 0007 or via...

Page 6: ...ith the wings and get to the rest of the model later 4 Use thin CA followed by a small fillet of medium CA to reinforce the servo mounting blocks to the hatch covers 5 With the servos plugged in and t...

Page 7: ...large the holes Without any glue test fit the horns into the slots be certain the horns fit all the way down and make any adjustments for a proper fit 11 Cut and remove the covering from around the ba...

Page 8: ...ge alignment pin into the end of each wing ASSEMBLE THE FUSELAGE CAUTION The turtledeck and fuselage bottom of the Sequence 1 20 are made from balsa covered foam Some solvents and adhesives will attac...

Page 9: ...been doing all along be certain to use threadlocker on all the screws 6 Mount the tail wheel with a 3 32 2 4mm wheel collar and a 4 40 set screw and threadlocker Prepare the Fuselage for Mounting the...

Page 10: ...will mount the cowl read ahead about what s involved to help you decide If mounting an electric brushless motor skip ahead to Mount an Electric Motor on page 13 Mount a Glow Engine Refer to this photo...

Page 11: ...in the photo It s not necessary to mount the muffler yet but it s shown in the photo so you can see how it fits and where to position the exhaust Install the Fuel Tank 1 Prepare the stopper assembly...

Page 12: ...ttery Precautions There are two ways to connect multiple battery packs In Series and in Parallel This is a SERIES battery adapter that connects two batteries in series 3 Cell 3200 mAh 2 Cell 3200 mAh...

Page 13: ...hex wrench to remove the set screws from the collar on the end of the RimFire 1 20 motor shaft Then reinstall them with threadlocker and securely retighten Refer to this photo while mounting the moto...

Page 14: ...nsert the arming plug right before you fly How to Make an Externally Accessible Arming Plug A First you ll need a short metal tab to bridge the tabs across a Deans male Ultra Plug A tab extracted from...

Page 15: ...remount the ESC 10 If using the arming plug carefully cut the covering from the side of the fuselage over the location you will use for the receptacle Securely glue the receptacle plug into place wit...

Page 16: ...1 2 sanding drum come in handy too 1 The cowl will be easier to start fitting if you can remove the head from your 2 stroke engine or remove the valve cover from your 4 stroke engine Also leave the mu...

Page 17: ...n get it over the engine as you really zero in on the cutout switch to the sanding drum When you re really close install the spinner back plate for aligning the front of the cowl Replace the head or v...

Page 18: ...solder to join the pushrod wire between the ends of the hexdriver with the brass tubes The key to a good soldering job is first to tin the ends of the hex driver and the pushrod wire for the hex drive...

Page 19: ...h the fit of the cowl ring re mount it to the fuselage with the screws 7 Use coarse sandpaper to roughen the cowl all the way around the inside so glue will adhere Prime the inside of the cowl with a...

Page 20: ...ring with medium CA wherever you can reach for now the cowl only needs to be tack glued well enough to hold during removal 13 Once you ve got the cowl glued to the cowl ring use your extended hex driv...

Page 21: ...ile you hold the cowl D Holding the cowl in position use one of the templates as a guide to drill the first 3 32 2 4mm hole through the cowl into the fuselage E Enlarge the hole in the cowl only with...

Page 22: ...paint Hook Up the Rudder and Elevators 1 Same as was done with the ailerons give a good pull on the rudder and look at the hinges to make sure they are all secure Use thin CA to wet any hinges that lo...

Page 23: ...ushrods to a length of 2 50mm and solder on the threaded couplers to make the elevator pushrods Connect the elevators to the servos with the same hardware as the ailerons standoffs were not used under...

Page 24: ...reat Planes C G Machine or lift the model with your fingers at the balance point Position the receiver battery over the fuselage and or shift the motor battery to get the model to balance 5 Securely m...

Page 25: ...runs smoothly at full throttle and transitions reliably between the two With the engine running at full throttle have an assistant hold the plane in different orientations including nose up and inver...

Page 26: ...ight current draw was 40 Amps Even though we know the motor is drawing 72A during brief full throttle bursts the average current draw over the duration of the flight was only 40A so the motor and ESC...

Page 27: ...xperienced helper 3 At all flying sites a straight or curved line s must be established in front of which all flying takes place with the other side for spectators Only personnel involved with flying...

Page 28: ...2 screws 4 flat washers and lock washers Great Planes 8mm to 3 8 24 thread propeller adapter for RimFire 1 20 GPMQ4971 1 Use medium grit sandpaper to roughen both sides of the FRP front bulkhead so g...

Page 29: ...ress if available to drill 1 16 1 6mm pilot holes through the FRP motor mount plate If using a different motor mark then drill holes to fit your motor Hint For perfection fasten the template to the mo...

Page 30: ...t plate motor assembly from the mounting box Cut Out Drill 7 32 5 6mm 10 Drill 7 32 5 6m holes through the firewall at the four marks and cut the rest of the way through the four partially cut slots f...

Page 31: ...31 ENGINE CUTOUT TEMPLATE FOR O S 1 55FS a...

Page 32: ......

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