Hi, Check the clearance on the main wheel to wheel pant and also use good wheels. Sullivan solid rubber are really good in wheel pants applications. When you land the planes weight can make soft wheels bulge out catching the wheel pant and cause loss of steering and may pull to one side. The load on the wheels is getting lighter when taking off but heaver when landing. I also use the largest diameter wheel that will fit in the wheel pant and be sure there is no slide play on the axel.