EF, I have been flying the WM P-47 for two years. 82 flights so far and over 100 landings. The stock retracts work great and are strong, I added glue every where I could reach around the retract rails, zero problems so far. I am using the JR 791 retract servos but I think they are overkill. I think standard retract servos like the HiTec HS-75 would work fine, they each only have to pull up one gear and wheel. This is a great flying model, my best warbird yet but the covering is sub standard. Mine will need recovering soon but still I have got two good years out of the original stuff.

Best regards, old bird.