Protecting the prop when taking any ground perhaps.
Isn't this a bit of déjà vu
http://www.ybw.com/forums/showthread.php?437482-would-this-take-the-ground-dry-out
Isn't this a bit of déjà vu
http://www.ybw.com/forums/showthread.php?437482-would-this-take-the-ground-dry-out