The SkyWing 91" Yak 54 (60–70cc) represents the pinnacle of modern large-scale aerobatic RC design. Built for demanding 3D and IMAC pilots, this aircraft delivers uncompromising performance, strength, and precision.

Featuring SkyWing’s patented rapid-assembly canopy, wing, and elevator system, the Yak 54 can be ready to fly in record time — no complex hardware or lengthy setup required. The removable rudder with a single-pin assembly and factory-detailed cockpit interior showcase SkyWing’s attention to every detail.

Designed using advanced balsa and carbon composite construction with covering film, the 91" Yak 54 offers the perfect balance of lightness, rigidity, and durability. It’s supplied complete with a matching spinner, fuel tank, fuel lines, vent dot, wing and stab bags, and pre-installed servo extensions — providing exceptional value for serious aerobatic enthusiasts.

Whether powered by a GP-76 or DLE-61 gas engine, or running an advanced 12S Scorpion electric setup, this model delivers explosive performance with SkyWing’s signature precision.

Key Features

✅ Advanced balsa/carbon composite construction with lightweight covering film
✅ Patented SkyWing quick-assembly canopy, wing, and elevator system
✅ Pre-hinged and pre-sealed control surfaces for rapid assembly
✅ Factory-detailed canopy interior
✅ Removable rudder with single-pin attachment
✅ Pre-baffled cowling for superior cooling and performance
✅ Matching spinner, fuel system, and wing/stab bags included
✅ Pre-installed high-quality servo extensions
✅ Optimised for both gas and electric power setups

Perfect For

• Experienced 3D, XA, and IMAC pilots

• Enthusiasts upgrading to a 91" airframe

• Precision flyers seeking strength and lightweight balance

• Gas or electric performance setups

• SkyWing fans wanting the latest innovation in large-scale RC design

Specifications

Wingspan: 91 in (2311 mm)
Length: 88.9 in (2260 mm)
Wing Area: 1484.9 sq in
Weight: 9.2 kg
Construction: Balsa/carbon composite with covering film

Gas Power Setup

Engine: 60–76cc (Great Power GP-76, GP-61, or DLE-61 recommended)
Blazing Star stand-off (GP-76 uses DA-60 mount)
Fuel Tank: FlowMaster 24 oz
Propeller: Falcon Carbon 24×8 / 24×9 / 24×10
Header Drop (Single Cylinder): 25 mm with canister or tuned pipe
Header Drop (Twin Cylinder): 60 mm with canister or tuned pipe

Electric Power Setup

Motor: Scorpion A-6528/200
ESC: Scorpion Tribunus III 14-200A SBEC
Propeller: Falcon Electric 24×10 / 24×12
Battery: Two 6S 4000–5000 mAh LiPos in series (12S total)

Radio & Servos

Radio: Modern radio with channel mixing
Servos: 5 × high-torque metal-geared servos (ChaServo 4613)
Throttle Servo: JX HV6210MG or ChaServo DS20

Servo Arms:
• 2 × Extreme Flight 1.5" single servo arms (3mm tapped) – Ailerons
• 2 × Extreme Flight 2" single servo arms (3mm tapped) – Elevators
• 1 × Extreme Flight 1.5" single servo arm (3mm tapped) – Push-pull Rudder
• Optional: 1 × Extreme Flight 4" double servo arm (3mm tapped) – Pull-pull Rudder

Why Buy from Probuild Aircraft

✅ Official UK SkyWing Stockist
✅ 100% Genuine Products
✅ Trusted by Top International Pilots
✅ Fast UK & Worldwide Shipping
✅ Supporting RC Pilots Since 1993

Color scheme;

YAK54 -A (white/blue/yellow)

cover color number

1; yellow-30

2; white-10

3; dark blue 052

4; silver-91
5; pearl blue-SW05

 

YAK54 -B (white/orange/blue)

 

cover color number

1; Orange-sw-02

2; white-10

3; corsair blue-19

4; silver-91