A and P, what acft. are we talking about here. I am going to assume a tail dragger like the Corsair, Hellcat or Wildcat.
Well, they are difficult to control. Full throttle is not necessary, but some throttle is needed for prop affect, usually a little burst of throttle will help.
There is a fix. A friend sent me the fix for the Corsair that he had gotten a long time ago. There was a change made in the acft. cfg file. I had him send me the "FIxed" cfg file. I then compared it to the stock cfg file of the Corsair. I was able to fing the changes made to correct the "twitchy" ground steering of that acft.
I then went and made the minor changes in my Hellcat and Wildcat's cfg files and the fix works great in those acft. too. The fix deals with the tail wheel, I am not sure if it is chaging the steering dynamics, size of wheel or rotation of wheel. I suspect the change has rotated the wheel 180 degrees.
Anyway, no more embarrassing 360 degree spins for me. Several of us pilots tested this fix against Fair Skies on the Zone and it passes with flying colors. If you would like this fix for the three acft. mentioned, head to my site. It's in the MISC. section at the bottom.
http://www.brennt.com/hoppers/downloads.html