Just came across this and found it very interesting and wanted to share.
Taken from their website:
"The new SHARROW PROPELLERô Is the first major advancement in propeller technology since the 1930s."
"9 - 15% MORE EFFICIENT,dramatically reducing fuel cost"
"LESS WEAR AND TEAR ON ENGINE SYSTEMS + LESS IMPACT ON THE VESSEL"
If those claims wet your whistle, check out the website:
I can see this post igniting a sh!t storm. Remember I'm just the messenger, not the inventor of this thing.