halfpipe or ramp

[loadedfisherman]

as a young kid ,we made our own home made 1/4 pipes 1/2 pipes and ramps.tires,plywood.
ect...
please post pics of your own half pipe or back yard ramp.
good or bad construction or design it does not matter.

my first ramp consisted of a ton of old tires ,rope and ply wood

i wish i still had a half pipe in my yard.
my up tight neighbors would freak