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The A-26 Invader, the fastest U.S. bomber of WWII, saw 
multi-national military service from 944 WWII through 
975 serving as everything from a bomber, to a target 

drone tug, to a Vietnam-era counter-insurgence fighter. 

In an unusual event, it saw a name change from A-26 
to  B-26  in  948  when  the  B-26  Marauder  was 
decommissioned. The aircraft then saw some aircraft 
switched back to the A-26 designation in 965. In civilian 
use its services ranged from a luxury corporate trans-

port to a firefighter known as a Borate-Bomber seeing 

service all the way through to 985. Indeed the A-26 
proved to be a versatile design that found usefullness 
through four decades of service. Today only a few A-26 

aircraft are flyable. However, many remain in museums 

throughout the world.

The ASM A-26 is an exciting replica of the original A-26. 
Its impressive 2.3m (92 inch) wingspan and .6m (66 inch) 

length results in a great flying model that is easy to see 
and easy to fly, yet because of its three-piece wing, the 
model breaks down to fit nicely into most vehicles. And 

while we certainly do not intend for this model to be 

flown or built by the novice modeler, experienced modelers will find the ASM model easy to assemble and versatile.

Made in China

Kit Product Number  ASM005

ASSEMBLY INSTRUCTIONS

Plywood, Balsa and Carbon Fibre Airframe with Moulded ABS Skins

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Factory-Covered Wings and Factory-Painted Fuselage, Nacelles and Cowls

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3-Piece Wing for Easy Transportation

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Accepts a Wide Range of Power Systems: Two-Stroke, Four-Stroke or BL Electric

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  Exceptional Flying Qualities for a Twin-Engine Scale Warbird

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  Strong, Prebent Wire Landing Gear and Lightweight Stand-Off Scale Wheels

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  Generous Hardware Package

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  Phneumatic Retractable Landing Gear and Oleo Struts Available Separately

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Wing Span: 

2237mm (92 Inches)

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Wing Area:

 63.87dm

2

 (990 Square Inches) 

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Length:

 676mm (66 Inches)   

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Weight RTF:

 6.6~7.9kg (4.5~7.5 Pounds)   

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Wing Loading:

 02~23gr/dm

2

 (34~4 Ounces/Square Foot)  

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Functions:  

Elevator, Ailerons, Rudder, Flaps, and Throttles (Retracts Optional)  

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Radio Required:

  5~6 Channel or More with Ball Bearing Servos 

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Engines Required:  

2x .52 Two-Stroke / .52~.70 Four-Stroke / KMS 420/05BL

ASm A-26 invAdER SpEciFicATionS And FEATuRES

A Semi-Scale ARF R/C Model of the Douglas A-26 Invader

Wing Span:  

2.3m (70ft)

  

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 Wing Area:

  50m

2

 (540ft

2

)  

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Length:

  5.6m (5ft 3in)  

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Height:

  5.6m (8ft 3in)

Gross Weight:

  2,59kg (27,600lb)  

 

maximum Takeoff Weight:

  5,900kg (35,000lb)  

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Engines:

  2 x Pratt & Whitney 2000hp Radials

maximum Speed:

  570km/h (355mph)  

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combat Range:

  2,250km (,400mi)  

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Service ceiling:

  6,700m (22,000ft)

FuLL-ScALE douGLAS A-26 invAdER SpEciFicATionS

Содержание A-26 invader

Страница 1: ...versatile Made in China Kit Product Number ASM005 ASSEMBLY INSTRUCTIONS l Plywood Balsa and Carbon Fibre Airframe with Moulded ABS Skins l Factory Covered Wings and Factory Painted Fuselage Nacelles and Cowls l 3 Piece Wing for Easy Transportation l Accepts a Wide Range of Power Systems Two Stroke Four Stroke or BL Electric l Exceptional Flying Qualities for a Twin Engine Scale Warbird l Strong Pr...

Страница 2: ...iTEmS REQuiREd To compLETE ASSEmBLY l x 5 6 Channel or More Radio Control System l 2 x 52 70 4 Stroke Engines and 2 x 6 or 3 x 6 Propellers l 7 x High Torque Standard Servos for Ailerons Flaps Elevators and Rudder Steering l 2 x Standard Servos for Throttles l 4 x 2 Servo Extension Leads for Flaps and Throttles l 2 x 24 Servo Extension Leads for Ailerons l 1 x Y Harness with Electronic Reverser fo...

Страница 3: ...xtension leads through the wing panels l The control horns are mounted to the control surfaces using wood screws Even though the wood screws thread into plywood plates apply a small amount of 5 minute epoxy to each wood screw before you install it for extra security l When you plug servo extensions onto the servo leads apply masking tape or heat shrink tubing over the plugs to prevent any chance o...

Страница 4: ...pe q Install one aileron servo into each wing panel Use the preinstalled length of thread to pull the servo extension leads through the wing panels IMPORTANT Both servo output shafts should be toward the leading edge of the wing panels IMPORTANT Install the pushrod wires into the hole that is 9mm 3 4 out from the centre of the servo horns and install the clevises into the fifth hole up from the ba...

Страница 5: ... through the predrilled hole in the centre wing panel and into the aluminium wing joiner tube Again tighten the screw gently to prevent crushing the wing STEp 4 inSTALLinG THE HoRizonTAL STABiLiSERS q Slide the plywood stabiliser spar into the fuselage q Make sure that the two angled cuts are lined up with the fuselage sides then tack glue the spar into the fuselage using thin C A IMPORTANT Make s...

Страница 6: ...GinG THE RuddER q Test fit and glue the rudder torque rod into the leading edge of the rudder using 5 minute epoxy IMPORTANT Make sure to roughen the torque rod wire to ensure a strong glue joint q Cut the longer length of stranded pull pull cable exactly in half q Secure one end of each cable to each side of the rudder torque rod tiller arm using two crimp collets IMPORTANT After squeezing the cr...

Страница 7: ...should be positioned even with the inside edge of the elevator half at the hinge line and it should be angled toward the fuselage to line up better with the pushrod wire IMPORTANT Install the clevis into the hole that is 9mm 3 4 out from the centre of the servo horn q Connect the pushrod to the servo on the same side of the fuselage as the control horn using one clevis provided q Repeat the previo...

Страница 8: ...stall two engine mounting beams onto one nacelle using four socket cap screws and four washers provided Make sure to space the engine mounting beams the same width as your engine and notice that the engine mounting beams are installed angled down IMPORTANT The engine mounting beams are adjustable to fit the width of different sized engines Make sure when you adjust the width of the engine mounting...

Страница 9: ...ORTANT When you install the throttle control linkage assembly into the left side nacelle in the next procedure you will notice that the pushrod wire crosses the nacelle at an angle You will need to make a slight bend in the pushrod wire so that it won t interfere with the fuel tank when it s installed later STEp 12 ASSEmBLinG And inSTALLinG THE FuEL TAnkS q Assemble each of the two fuel tank stopp...

Страница 10: ...ns q Test fit and cut out each cowling for your engines and mufflers When aligned properly the back edge of each cowling should overlap the front of the nacelles 3mm 8 and the front of the cowlings should be centred around your engine s crankshaft For our four stroke engine installation we routed the mufflers out the bottom centre of each cowling If you re using two stroke engines you ll need to u...

Страница 11: ...two pilot holes through the mounting rails for the two forward mounting holes q Install the wheel using the nylon spacer wheel collar and grub screw provided STEp 16 inSTALLinG THE STEERinG conTRoL LinkAGE q Cut the remaining length of stranded pull pull cable exactly in half q Secure one end of each cable to each adjustable control horn on the nose gear using two crimp collets Use the same techni...

Страница 12: ...the visible parts of the glass IMPORTANT Before installing the cockpit glass in the next procedure you will need to trim the base of the cockpit glass to fit around the sides of the dashboard IMPORTANT This step details the installation of the cockpit floors and glass If you are installing the optional landing gear doors along with the optional retractable landing gear do not install the cockpit f...

Страница 13: ... Throttles One Y Harness and two 305mm 12 extensions from the centre hole to the outer holes Ailerons One Y Harness and two 305mm 12 extensions from the centre hole to the tips Flaps One Y Harness and two 305mm 12 extensions from the centre hole to the tips STEp 18 inSTALLinG THE HATcH covER q Cut a slot through the top front of the hatch cover for the latch handle then drill a hole for the latch ...

Страница 14: ...extensions are not pinched between the centre wing panel and the nacelles STEp 20 FinAL ASSEmBLY q Install your airborne equipment battery receiver and switch into the fuselage If you need to mount your battery in the nose to balance the aircraft mount the battery on the preinstalled plywood mounting plate We ran the receiver aerial out the bottom of the fuselage and secured it to the back of the ...

Страница 15: ...e the LiPO batteries must be mounted in the fuel tank compartments and can t be moved any farther forward This added weight is no problem and does not affect the flying quality of the aircraft l With full flaps on landing you may find that you need a little more elevator input than the 22mm 7 8 recommended l We suggest using low rate rudder on takeoff l Because the landing gear retracts rearward t...

Страница 16: ...e nose gear strut should be held in place securely yet be able to rotate smoothly q Install the retract assembly onto the landing gear mounting rails in the fuselage using the four large wood screws provided q Install the nose gear wheel using the wheel collar and grub screw provided then install the pull pull steering cables by following the procedures in step 6 on pages 2 IMPORTANT Notice that t...

Страница 17: ... landing gear door making sure that the middle of each hinge pivot point is centred with the edge of the landing gear doors q Glue one balsa block underneath each hinge mounting location on the matching nacelle then drill a 3mm 8 diameter hole into the nacelle and through the balsa blocks for the landing gear door hinges IMPORTANT Make sure to position the holes so that the edge of each landing ge...

Страница 18: ...sed for the main landing gear doors q Glue the hinge onto the main landing gear actuator plate into the precut slot in the plywood former in the back of one nacelle making sure that the ends of the actuator wire assembly are toward the landing gear doors q Install one hinge onto the top of one main landing gear actuator plate using the two small wood screws provided q Glue the pivot bearing on one...

Страница 19: ...gear doors q Glue one balsa block underneath each hinge mounting location on the fuselage then drill a 3mm 8 diameter hole through the balsa blocks for the landing gear door hinges IMPORTANT As with the landing gear doors make sure to drill the holes through the balsa blocks at a 45º angle q Test fit and hinge the nose landing gear doors to the fuselage When aligned properly the landing gear doors...

Страница 20: ...testing using the suggested power system and have found it to fly the aircraft amazingly well If you decide to use different brands of products please make sure the specific products that you use are comparable in specification to what we suggest Using anything too far outside of our specifications can result in poor performance l 2 x KMS Quantum 4 20 05 Brushless Outrunner Motors l 2 x Castle Cre...

Страница 21: ...f each cowling Cut a hatch in the top of each cowling Cut along the grooves in the cowling flaps then cut up to and along the yellow and black painted edge Glue a 0 5mm 64 plywood frame along the sides hatch opening in the cowling Glue a piece of 0 5mm 64 plywood to the front of the hatch cover to make a tongue to hold the hatch cover in place Glue two balsa or light plywood ribs to the hatch cove...

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Страница 24: ... no liability shall be assumed for any damage resulting from the use by the user of the final user assembled product By the act of using the final user assembled product the user accepts all resulting liability ouR GuARAnTEE In the USA Global Services 18480 Bandilier Circle Fountain Valley CA 92708 Phone 714 963 0329 Fax 714 964 6236 Email service globalhobby net In the EU Ripmax Ltd 241 Green Str...

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