Decathlon ARF 120



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  • Featuring a wingspan of 79 inches, the Decathlon is a great choice for intermediate and experienced pilots
  • Covered in genuine Hangar 9® UltraCote®
  • Quality balsa construction


78.5 in (2000mm)
Overall Length:
53.0 in (1344mm)
Wing Area:
1032.5 sq in (66.6 sq dm)
Flying Weight:
10.0–11.5 lb (4.5–5.2 kg)
Engine Size:
1.2–1.50 cu in (2- and 4-stroke)
Motor Size:
Power 110
4 channel and greater
6 servos (5 with EP Power)
Trim Scheme Colors:
HANU866 True Red, HANU874 Black, HANU870 White
CG (center of gravity):
2.75–3.5 in (70–90mm) behind the leading edge
Wing Loading:
22.3–25.6 oz/sq ft
Prop Size:
16 x 8 IC-powered, 17 x 8e EP-powered
Spinner Size:
2.5-inch, included
Hardware Included:
Speed Control :
CSEPHX85HV required
Recommended Battery:
1 - 4350mAh 4S 14.8V or 1 - 4350mAh 5S 18.5V (9S setup)
Minimum Age Recommendation:
14 years
Experience Level:
Assembly Time:
15-20 Hours

Parts & Accessories

Completion Guides Recommended - 4-Stroke Glow   (See All)

  • Competition Pattern Propeller,16 x 8

  • FA-125A AAC with Muffler: AG

Completion Guides 2-Stroke Glow   (See All)

  • Evolution Propeller 16x6

  • Evolution 1.20NX Glow with Muffler

Completion Guides Zenoah 20cc Gas Setup   (See All)

  • Evolution Propeller 16x6

  • Standoff Gas Engine Mount, 20mm

  • 4500mAh 6.0V NiMH Receiver Pack

Completion Guides Power 110 Scale Setup   (See All)

  • Electric Propeller, 19 x 8E

  • Phoenix Ice 2 HV 120 Extreme Air BL ESC

  • Power 110 Brushless Outrunner Motor, 295Kv

Completion Guides Power 110 Performance Set-up   (See All)

  • Electric Propeller, 17 x 8E

  • Phoenix Ice 2 HV 120 Extreme Air BL ESC

  • Power 110 Brushless Outrunner Motor, 295Kv

Parts Listing   (See All)

  • Fuselage : Decathlon Size 120

  • Main Wing Set w/Ailerons: Decathlon Size 120

  • Tail Set: Decathlon Size 120

  • Fiberglass Cowl: Decathlon Size 120




Technical Notes

The center of gravity noted in the manual is too far aft.  The CG should be 2.75–3.5" (70–90mm) behind the leading edge of the wing.


1 Authorized Warranty Period (Date of Purchase)

What this Warranty Covers 
Horizon Hobby, Inc., (Horizon) warrants to the original purchaser that the product purchased (the "Product") will be free from defects in materials and workmanship at the date of purchase.