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PostPosted: Wed Feb 15, 2006 11:05 pm 
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Joined: Sat Nov 12, 2005 10:46 pm
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Location: Escondido
It's amazing how shallow the draft is on the Adventure. Here's some approximate measurements (including my 180 lb. weight):

Total draft (at drive well) with Mirage drive installed (folded flush) = 6"
Draft w/o drive = 4.5"
Waterline at well = about top of well
Waterline empty about 2" less
Waterline at seat scupper = top of scupper/bottom of seat area; scupper plugs advised unless heavy/choppy seas!
Top of seat scupper to hull exit = 2.5" (seating position pretty darned low for a SOT!)
Top of seat scupper to keel line (ie: draft at seat) = 3.75"

Hulls define the performance characteristics for any given boat. The Adventure's unique shape shows a marked evolution in design. It offers several advantages over the older hulls: 1) shallower draft; 2) better stability for a given width; 3) lower surfing/planing speed. As can be seen below, it looks like a cross between a canoe and a Sunfish (sailboat). Note the seams between the three distinct regions add rigidity and strength to the hull.
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Here some comparisons of the latest design concepts compared with the earlier applications (early Mirage tandom for comparison). Not readily apparent is the straighter keel line (less rocker) for better tracking. The evolution is remarkable! (note: the pictures are not comparable in size; Tandom width = 34"; Adventure = 27.5)
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Kudos to Hobie's design team for their continuing accomplishments!! 8)

(Note: all pictures here hosted by ImageShack(tm). Click on any picture for larger version).


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PostPosted: Wed Feb 15, 2006 11:23 pm 
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Joined: Fri Nov 19, 2004 6:56 am
Posts: 822
Location: Tallahassee, FL
RR,
Very interesting, and tend to tie in with my limited observations during my demo runs. I guess you saw my earlier post in which you could compare the hulls of all of Hobie's newest boats, as well as with the Outback, plus a couple of others. That was likewise pretty instructive for me. Here we have from top to bottom, and from left to right the following:

1. Upper left is the green Quest Fisherman paddle
2. Just below that is the red Adventure Mirage
3. Below that is the yellow Outback Mirage
4. On the bottom left is the white Lanai paddle
5. Upper right is the yellow Kona tandem paddle
6. Just below that is the gray Outfitter tandem Mirage
7. And finally on the bottom right is the blue Sport Mirage

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PostPosted: Thu Feb 16, 2006 12:34 am 
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Hobie Approved Guru

Joined: Sat Nov 12, 2005 10:46 pm
Posts: 2391
Location: Escondido
Apalach,

That's a great shot! It shows a much broader design range. You can see that many of the newer Hobies employ a hard chine. The Adventure does not -- perhaps the Quest also. I wonder if that represents an evolutionary change or rather is reflective of a different objective?


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PostPosted: Thu Feb 16, 2006 6:07 am 
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Joined: Fri Nov 19, 2004 6:56 am
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Location: Tallahassee, FL
Yep RR,
Interesting observation about the hard chine. A hard chine will definitely improve stability and resistance to capsizing in a small craft, so that may be a big part of it.
Best,
Dick

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