RE: H9 F4U Corsair Maiden
You need a set of Lado Retracts. I use them in all my hangar 9 planes. They make a big difference. And you can now get struts from lado that are a perfect fit. Check out Magnum RC for the retracts and struts. The strut size for the hangar 9 corsair is 125mm. You have to purchase the 130mm size and then pay a little extra from them to have them resized to 125mm. I'll be ordering mine when they get back in stock.