Nope. 3DHS planes are designed to not have any knife edge coupling at neutral CG or a bit positive CG. Joe usually sets his up to have a bit positive(forward) CG.
我的問題是:
1.什麼是3DHS飛機?
2.什麼是knife edge,刀角?
3.a bit positive(forward) CG,是指重心,比自然位,偏機頭還是機尾?