Check out this AVweb test of the tie down system given on this tread.
It may test differently on different soils, but it didn't do too well.

http://www.cessna150152.com/forum/ubbthreads.php?ubb=cfrm

Wil



Originally Posted by Robert_Christofferson
These aint the lightest but they cheapest. Under 15 dollars you can buy everything at the airplanedepot/homedepot.
http://www.cessna150152.com/forum/ubbthreads.php?ubb=download&Number=30054&filename=Tie Down Set.jpg