This is the radio controlled, electric powered, almost ready to fly
Yak-55M Sport Scale Aerobatic Airplane from ElectriFly by Great Planes.
FEATURES: Construction: Balsa and ply
Wings: Two-piece with wing joiner and prehinged ailerons
Aileron Control: Dual servo
Cowl: Painted fiberglass attaches to fuselage with magnets
Covering: Top Flite MonoKote
Canopy: Clear, assembles with cabin floor and provides easy access to
radio components
Landing Gear: Two-piece prebent aluminum, 0.08" (2mm) thick
Wheels: Two foam main gear wheels 2" (51mm) diameter
foam 1" (25.4mm) diameter tailwheel
Wheel Pants: Painted fiberglass
Spinner: White plastic, 2.25" (56mm) diameter
Motor Box: Plywood, designed for the Great Planes .32 RimFire
outrunner Brushless motor, if a different motor is installed the
motor box may require modification
Building Time: ready to fly in several hours
Warranty: Great Planes Model Manufacturing Company guarantees this
kit to be free from defects in both materials and workmanship at
date of purchase.
INCLUDES: Prebuilt and covered wing, fuselage and tail assemblies, control
horns, hardware, decals, landing gear, wheels, spinner and
instruction manual
REQUIRES: Radio: 4-ch minimum or 5-ch with mixing (for separate ailerons)
Servos: Four micro
9" (229mm) Extensions: Three for aileron servos and ESC
16" (405mm) Extensions: Two for rudder and aileron servos
Y-Harness: One to connect aileron servos to receiver if not using a
radio with mixing functions
Electronic Speed Control: 45A
Motor: Brushless, RimFire .32 (42-50-800), GPMG4700 recommended
Propeller: APC 12x6E, if using motor listed above
Battery: LiPo, 14.8V 2200mAh 25C, GPMP0521
Battery Charger: LiPo compatible
Building and field equipment
SPECS: Wingspan: 51" (1295mm)
Wing Area: 508 sq in (32.8sq dm)
Wing Loading: 16-17 oz/sq ft (49-52 g/sq dm)
Weight: 3.5 - 3.75lb (1590 - 1700g)
Length: 47" (1195mm)
Center of Gravity (CG): 3-7/8" (97mm) back from the leading edge of
the wing at the side of the fuselage
Control Throws: Low Rate High Rate 3D Rate
Elevator: 5/16" (8mm) 5° 5/8" (16mm) 11° 1-7/8" (48mm) 34°
Rudder: 1-3/4" (44mm) 20° 2-1/8" (54mm) 25° 2-1/2" (64mm) 29°
Ailerons: 1/2" (13mm) 8° 3/4" (19mm) 12° 1-3/4" (44mm) 28°
COMMENTS: Pilot figure shown in photos is not included
Following are the colors of MonoKote used to cover this model and
stock numbers for 6' rolls;
White (TOPQ0204)
Sapphire Blue (TOPQ0226)
True Red (TOPQ0227)
jxs 12/15/10
ir/jxs
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