I've had a small kiwiprop on a Searunner
34 tri with a 20Hp motor
, for about a year now. The unit was easy to install, and works very well so far.
The prop runs smoothly. I haven't noticed any loss of efficiency in motoring, although I don't motor
enough to notice any subtle differences. The "abrupt or distinct" engagement of the blades going into reverse, noted for the design, is not an issue at all, and the boat backs up well. The improvement in sailing speed with the prop feathered is very noticeable. I'd never go back the fixed three blade prop I previously had.
With the newer seal types used, the annual maintenance
work doesn't look too difficult. I'll find out in about 2 months when I haul out