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SIG - SIGA0076 SIGSIGRC76EGARFG SIGRC76EGARFG 614380515766 0614380515766
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  Tech Notes

Accessories Needed

Possible Substitutions

Regularly Purchased Together

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Sig Somethin' Xtra Sport GP/EP ARF Green 51.5"
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Sig Somethin' Xtra Sport GP/EP ARF Green 51.5"
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Instruction Manuals: Manual 1 (1101 KB)

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  Money-Saving Combos
Special Stock Number Tower's Low Price Click to Order Combo Savings
Eligible for Easy Pay Somethin'Xtra GP/EP ARF Green/O.S. 46AXII Engine Combo Add to Wish List
342.93  Buy Now 16.02  

Regularly Purchased Together
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Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.
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Tech Notes
This is the Radio Controlled, Glow or Electric Powered
Sig Almost Ready to Fly Somethin' Extra Low Wing Airplane in Green
The Somethin' Extra is designed for all out aerobatic performance while
maintaining comfortable handlng characteristics.


Construction: Balsa and ply
Wing: Two-piece with super strong aluminum wing joiner tube
Aileron Control: Dual servo
Cowl: Factory painted fiberglass
Wheel Pants: Factory painted fiberglass
Covering: High quality premium polyester self adhesive
Landing Gear: One-piece prebent aluminum, 2.5" (63mm) main wheels
1" (25.4mm) diameter rubber tailwheel
Spinner: White plastic 2.25" (57mm) diameter
Motor Mount: Pre-assembled plywood
Engine Mount: Two-piece composite
Fuel Tank: 12oz (360cc) approximate
Hatch: Wooden, attaches magnetically to the fuselage for easy access
to the battery/radio compartment


Pushrod and hardware package
Pre-build and covered wood fuselage, wing and tail sections
Fuel tank
Instruction Manual
Aluminum Landing Gear and Fiberglass Cowling and Wheel Pants
Painted pilot


Electric Power-
Brushless Motor: 700-1000 watt 650-800 kV
ESC: Compatible with selected motor
LiPo Battery: 4-6S 3000-4000mAh
Battery Charger: Compatible with selected batery
Glow Power-
Engine: .40-.46 cu in two-stroke, or .53-.65 cu in four-stroke
Fuel, glow starter, propeller, building & field equipment
Radio: 4 channel with 5 standard servos (Glow) or 4 servos for
Y Harness: For aileron servos
Extensions: Two 6" for aileron servos


Wing Span: 51.5" (1308mm)
Wing Area: 725 sq in (46.7 sq dm)
Length: 48.25" (1226mm)
Flying Weight: 5-5.5 lbs (2268 - 2495)
Wing Loading: 16.0 - 17.6 oz/sq ft (48 - 53 g/sq dm)
Center of Gravity (CG): 3-5/8 - 4-5/8" (92 - 111mm) back for the
leading edge of the wing at the fuselage side
Control Throws Low Rate High Rate
Elevator (up & down): 1" (25.4mm) 1-1/2" (38mm)
Ailerons (up & down): 7/8" (22mm) 1-3/8" (34mm)
Rudder (right & left): 1-5/8" (41mm) 2" (51mm)


If a replacement fuel tank is needed, the DuBro 12oz Square Tank
(DUBQ0212), or the 12oz Sullivan Slant Flextank (SULQ1741) may be
used. Some trimming and modifications may be required.

mgc 2/2/15
jxs 02/12/15

– If you need more information, use these SIG resources –
Web Site:
Phone: 641-623-5154
  Postal Address:
PO BOX 520

Click here for Units of Measure Conversion Calculators

Accessories Needed
This is the Sig ARF Somethin' Extra EG Low Wing Aerobatic Airplane. FEATURES: 2-pc wing, aluminum wing tube, 1-pc prebent aluminum landing gear fiberglass cowl & wheel pants, magnetic hatch, engine & motor mounts REQUIRES: 4-ch radio w/4-5 servos, extensions, Y-harness, brushless motor, ESC LiPo battery, OR 2 or 4-stroke engine, fuel, prop, bldg & track equip.

Accessories for the Sig Somethin' Xtra Sport GP/EP ARF Green 51.5"

— Accessories Needed for Electric Setup — + View Accessories Needed for Glow Setup
Primary Accessories Radio & Motor 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
 LXZK95 APC 10x5 Thin Electric Propeller
Qty Discount Available
2.49   In Stock
 LXEAZN FlightPower LiPo FP30 4S 14.8V 3350mAh 30C
Accessories Needed Qty Discount Available
79.99   In Stock
 LXNK66 Futaba FBC19B4 Dual AC Wall Charger
Qty Discount Available
19.99   In Stock
 LXRDH3 Great Planes Silver Series 60A Brushless ESC High-Volt
Accessories Needed Add to Wish List
99.98   Late Nov
 LXVRS6 Great Planes ElectriFly Triton EQ AC/DC Charger
Accessories Needed Qty Discount Available
99.98   In Stock
 LXZKA2 Great Planes ElectriFly SafeCharge LiPo Charge Bag
Qty Discount Available
21.99   In Stock
 LXNRJ9 Hobbico HydriMax NiMH 4C 4.8V 2000mAh Square AA Rx U
Qty Discount Available
20.99   In Stock
Subtotal for this Group of Accessories: 345.41  
Click to Order all items listed in this Group of Accessories    Buy This group of Accessories

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

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