The Stirling is a British WWII bomber that has been replicated to 1:10 scale (118” span) by Robin Fowler for 4 electric motors. The all wood construction is from 6 large CAD drawn plan sheets, and includes an illustrated CD build manual with video clips. Minimum 6-function radio required. Model weight around 20 lb. (9kg) with two 3s 4000mAh LiPos. Suits experienced builders only.