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bluthndr

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Fastest hull for 18-20' lake boat
« on: July 21, 2022, 08:19:24 am »
What are the fastest hulls (non drag race) that you could use regularly and still be the fastest guy on the lake?  Sanger?  Rogers? Hondo? Daytona?  Others??
  • Boat #1: 1975 Hallett Bubble Deck
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1975 Hallett, Olds 455, Berkeley 12JC, place diverter

77fordwind

  • Karma: +0/-0
Re: Fastest hull for 18-20' lake boat
« Reply #1 on: July 21, 2022, 01:46:16 pm »
Southwind all the way,.. change my mind? Hahahaha

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eliminator18

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Re: Fastest hull for 18-20' lake boat
« Reply #2 on: July 21, 2022, 02:42:07 pm »
More hp, and a good pump will make any boat go fast!


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Flusher

  • Karma: +84/-0
Re: Fastest hull for 18-20' lake boat
« Reply #3 on: July 22, 2022, 05:31:09 pm »
What are the fastest hulls (non drag race) that you could use regularly and still be the fastest guy on the lake?  Sanger?  Rogers? Hondo? Daytona?  Others??
How fast is the crowd at your lake?  Some are pretty damn fast.  What you are asking for is a tall order, there is always going to be someone faster.

You really need to establish exactly what you are looking for.  I will assume that you are looking for an acceleration contest type of river racer and not Water Speed Record.

If you are contemplating ever taking your boat to a track, NJBA limits open jet boats to 145 MPH.  So, now we are talking quickest and not fastest, unless you see a capsule boat in your future.

For any serious contender, you would be at a disadvantage without aerodynamic lift.  I have heard that the TPR Stealth is the current fastest hull, however that may be a biased statement.  Stealth, Cheyenne, Daytona, and Placecraft are all top contenders in tunnel boats.  The pickle fork design makes it easy to mount a front wing.  However, tunnels depart greatly from your "could use regularly" request.  But then again, that depends on your definition of "could use regularly."

The only V-hulls that incorporate aerodynamic lift are gullwings and some Rogers/Advantage hulls with dropped chines.  I have heard that Rogers tend to hit the wall, as far as safely going fast, around 120 and I believe gullwings have pushed into the mid 130s.  Anything beyond that is really pushing the limits of safety.

The next factor to consider is weight.  It has been determined that 70lbs is equal to 1/10 of a second in the quarter mile.  Getting back to your "could use regularly" scenario, a light-layup hull may not be for you.  A light-layup hull is not going to be the family truckster nor fare well caught out in white caps.  If speed is your thing, look to save weight wherever you realistically can.

What kind of horsepower are you considering?  I would strongly suggest either turbo or centrifugal supercharger.
"I want to roll with my brother Joe" - Joe Bateman - January 29, 1950 ~ November 27, 2013

TrollerDave

  • Karma: +32/-0
Re: Fastest hull for 18-20' lake boat
« Reply #4 on: July 22, 2022, 07:15:24 pm »
What are the fastest hulls (non drag race) that you could use regularly and still be the fastest guy on the lake?  Sanger?  Rogers? Hondo? Daytona?  Others??
Tunnels-
TPR/Edge Stealth
Cheyenne/Predator
Eliminator 19? Daytona

Gullwings-
19? more room and good ride, 18? is quicker

V-bottoms
Rogers
Bahner
Southwinds

Weight is your enemy in a jet boat. The tunnels and gullwings can come in different lay ups. The race layup is lighter, =quicker and faster. Lake lay up= a bit heavier but more durable to rough water. The less wetted surface the better, to a point anyway. An efficient pump with properly ?tuned? hardware (shoe, ride plate, nozzle) are key to speed. You can throw all the horsepower you want, but if it doesn?t convert to thrust out the nozzle on an efficient hull, you?re leaving acceleration and speed on the table.


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