use the deflector as mentioned before, and fly in perfectly straight lines. so the plane doesnt drift into the exhaust trail.(snap roll!) . As everyone said, its the nature of the beast. According to some of the learned folk, synthetic lubricant is less " tacky" than castor. I use Byrons 15% sytectic and it seems to come off alot better. Using a mixture of Simple Green, Rubbing alcohol, and Distilled Water; in equal parts. spritz it on wipe it off, throw away towel, repeat.