Morgans wrote:

The engine in the mini was running at something like 130% of the
manufacturer's recommended power level. It had to be re-jetted to produce
that much power, and had a horrible TBO and mean time between failures.

It barely had enough power to get out of ground effect hover, so climbout
was so slow that if took much longer than usual to get enough altitude that
an autorotation could be successfully pulled off.

Though the CH-7 Angel succeeded with the same engine.
http://tinypic.com/i6z390.jpg
(There's Mr. Cicare on the right)