We have now tried it out in mud, sand and coarse sand and it has worked extremely well every time.
With our last anchor we could not get it to set in sand - our biggest test - even with scopes of 10:1. The Ultra has set firmly and quickly every time with scopes of 3:1.
The anchor also self launches every time whereas we often had to give our last one a kick to get it moving.
Overall we are very pleased and will be happy to recommend the Ultra to anyone who needs a new anchor.
With kind regards
Nordhavn 55#31 Tai-Pan