Sig Manufacturing Co. Somethin’ Xtra EG ARF

Article by Geoff Barber A classic sport model revisited from Sig Manufacturing Co. Watch flight footage of this classic sport ARF. Full review in the February 2015 issue of Model Aviation. Specifications Model type: Sport aerobatic ARF Skill level: Intermediate builder; intermediate pilot Wingspan: 51.5 inches Wing area: 725 square inches Wing loading: 16 to 17.6 ounces per square foot Length: 48.25 inches Recommended power system: .40 to .46 two-stroke or .53 to .65 four-stroke engine; 700 to 1,000-watt brushless outrunner motor (550 to 800 Kv); 75-amp ESC; and 4S to 6S 3…