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AeroWorks Ultimate 20-300 QB ARF Yel/Blu/Silvr 50cc 68"
AeroWorks Ultimate 20-300 QB ARF Yel/Blu/Silvr 50cc 68"
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Tower Catalog Page: 49

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Tech Notes
This is the radio controlled, gasoline powered, almost-ready-to-fly
50cc Ultimate 20-300 (Quick Build) Airplane
in Yellow Blue and Silver Covering from Aeroworks.
Designed for precision and 3D flying.


Construction: Laser cut, CAD design jig built balsa and ply, double
beveled control surfaces, premade tail flying wires
Wings: One-piece balsa and ply construction preglued, preinstalled
center cabane
Aileron Control: Two servos per wing
Rudder Control: Single servo pull-pull design
Stabilizer: One piece
Engine Mount: Fuelproofed plywood with laser cut mounting template
and machined aluminum engine standoffs
Cowl: Painted fiberglass with scale baffling
Covering: Ultracote
Canopy: Tinted, pre-mounted
Landing Gear: Painted 7075 aluminum 0.20" (5mm) thick, 3-1/4" (83mm)
lite wheels, steerable solid rubber tailwheel
Fuel Tanks: 25oz (750cc) for gasoline, 15oz (450cc) for smoke
Wheel Pants: Painted fiberglass
Building Time: Ready to fly in approximately 8-10 hours
Warranty: Aeroworks manufacturing guarantees this kit to be free from
defects in both material and workmanship at the date of purchase.
This limited warranty does not cover any component parts damaged by
use or modification.


Pre-built and covered wings, fuselage and tail assemblies, pushrods,
all hardware, decals, two fuel tanks, landing gear, wheels, throw
meter, and instruction manual


Radio: 6-channel minimum
Aileron Servos: Four with at least 180 oz/in torque @ 6V
Rudder Servo: One with at least 180 oz/in torque @ 6V
Elevator Servo: Two with at least 180 oz/in torque @ 6V
all servos listed above must be digital with metal gears
Throttle Servo: One standard size and torque
6" (152mm) Servo Extensions: Nine
24" (610mm) Servo Extensions: Two
Y Harnesses: Two
Ignition Battery: 4.8 volt 1700mAh minimum
Two switches with charge jacks
Engine: 3.5 cu in (50cc) gasoline
Spinner: 3.5" (89mm)
Propeller, building and field equipment


Wingspan: 68" (173cm)
Wing Area: 1666 sq in (107.63 sq dm)
Fuse Length: 74" (188cm) rudder to front of cowl
78.5" (199cm) rudder to front of spinner
Cowl Width: 10" (254mm)
Weight: 17.5 - 18.5lbs (7938 - 8391g)
Airfoil: Fully symmetrical
Center of Gravity: 1-1/2" (38mm) from top wing's leading edge at the
wing tip

Control Throws- 3D Rate High Rate Low Rate
Elevator Up/Down 2-7/8" or 40 2" or 22 3/4" or 14
Rudder Left to Right: 8" 6" 4"
Ailerons Up/Down 2-1/2" or 40 2" or 30 1" or 15

jxs 12/09/09

– If you need more information, use these AeroWorks resources –
Phone: 303-371-4222
  Postal Address:
DENVER, CO 80239

Click here for Units of Measure Conversion Calculators

Accessories Needed
This is the gasoline powered ARF 50cc Ultimate 20-300 (Quick Build) Biplane. FEATURES: Machined engine standoffs, one piece wings, smoke tank, throw meter, engine templates, decals, fuel proofed engine box with templates REQUIRES: 8-ch radio, 5 high-torque servos, 50cc gasoline engine, building & field equipment

Accessories for the AeroWorks Ultimate 20-300 QB ARF Yel/Blu/Silvr 50cc 68"

Primary Accessories Radio & Engine Equipment Building & Field Equipment Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXJ778 Great Planes Switch/Charge Jack Mounting Set
Qty Discount Available
3.89   In Stock
 LXHY52 Top Flite 22x10 Power Point Propeller
Qty Discount Available
19.99   In Stock
Subtotal for this Group of Accessories: 23.88  
Click to Order all items listed in this Group of Accessories    Buy This group of Accessories

Primary Accessories Radio & Engine Equipment Building & Field Equipment Optional Accessories

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