i,ve ran one on my phantom 18 a 23p.
they don,t seem to genarate the bow lift like a laser2. the keep the arse glued to the water . also they cut down the amount of cavitation that you get when you nail it pulling away .. one of my mates who is ballast in the boat much prefers it he reckons we don,t have as many scary incidents when its on (puff) so the probley a lot more forgiving
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