http://www.ec21.com/ec-market/yak 54.html http://lishuhua0808.en.ec21.com/Yak_54_R_C_Plane--2460232_2672303.html YAK 54 50CC wing span :87in/2209mm wing Area:87.36sq.dm Flying weight:7300-7800g Fuselage length:75in/1905mm Engi20090630 http://dreamflyhobby.en.ec21.com/107_Yak_54_100cc_ARF--3348240_3348276.html Specifications: Wingspan: 107" Wing Area: 2100 sq. in. Ready-to-fly weight: 26-29 lbs. Length: 95" Features: Constru20090601 http://huayu03.en.ec21.com/YAK_54_Epp_3D_Plane--3306215_3306314.html Material: EPP / carbon fiber Wingspan: 860mm Fuselange: 890mm Wing Area: 21sq.dm Radio Control: 4-ch, 4 servos Motor20090314 http://shuanger.en.ec21.com/New_Yak_54_50cc--2030824_3133037.html Wing span: 88'' 2236mm Fusalage:2140mm Weight: 5800g not include the radi0 and engine Wing area 104d Engine: 53-75CC G20081113 http://lishuhua.en.ec21.com/YAK54--2037002_2670365.html YAK 54 50CC wing span :87in/2209mm wing Area:87.36sq.dm Flying weight:7300-7800g Fuselage length:75in/1905mm Engi20090630