01-18-2014, 08:39 PM #1
Quick Tech: Yamaha’s 3-Degree Nozzle
While the maxim, “racing breeds excellence,” it also invites new and inventive ways to cheat. Of course, many a builder, racer and tuner will attest that it’s not cheating until 1) they find out about it, and/or 2) they write a rule against it. Many an innovation in racing has been birthed from finding creative ways around class rules. And as this year’s most recent batch of top performance PWC have shown, such innovations often find their way onto production vehicles.
This Yamaha XLT venturi nozzle was the only way to get an 87mm 3-degree nozzle before Yamaha’s jet boats started using similar nozzles. Today, Yamaha’s SVHO features an 85mm exit diameter and 3-degree pitch.
Read the full post here Quick Tech: Yamaha’s 3-Degree Nozzle at The Watercraft Journal.
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