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Old 04-29-2015, 08:27 PM   #1
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Show us your keel

I enjoy looking at and comparing the keels on different boats.

My boat has a full length keel (IP calls it a "full foil keel") and a large rudder that's hung quite a bit away from the prop. Not sure why-- most rudders I see are immediately behind the prop.

It doesn't back up well, but seems to track and steer well underway.

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Old 04-29-2015, 08:41 PM   #2
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Just found this description of the "full foil keel". My "trawler" was adapted from a sailboat design, so that's why all this sounds like a sailboat description.

The Full Foil Keel was designer Bob Johnson's answer to a relatively new problem at the time. How to preserve the fine seakeeping and safety attributes of a traditional wine glass-shaped full keel while enhancing its performance and maneuverability like the newer fin keel shapes. Not wanting to give up on the benefits of a shoal draft, Bob took the modern 'U'-shaped performance underbody of the fin keel boats of the day and took its fin keel shape and essentially 'shortened and stretched it lengthwise,' giving it a longer cord length with less draft. The lateral surface area to maintain windward ability was still there, as was the tracking ability and the gentle ride of the more traditional full keel. Even better, with the balanced spade hung rudder protected by the keel, the maneuverability was improved over the traditional shapes, and the advantages of the protected propeller were gained.
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Old 04-29-2015, 08:51 PM   #3
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Here is a shot of mine.
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Old 04-29-2015, 08:54 PM   #4
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Here's ours.
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Old 04-29-2015, 09:22 PM   #5
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Old 04-29-2015, 09:24 PM   #6
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What kind of boat is that?
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Old 04-29-2015, 09:25 PM   #7
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Propeller protected as much as it can without building a cage around it. One of the top three criteria for the boat's selection.


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Old 04-29-2015, 09:46 PM   #8
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Keel

Here's mine.
Draft 8 1/2 feet.

Ted
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Old 04-29-2015, 09:56 PM   #9
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Quote:
Originally Posted by Ted View Post
Here's mine.
Draft 8 1/2 feet.

Ted
Yikes! 8 1/2 feet? That rules out a lot of waters here.
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Old 04-29-2015, 10:03 PM   #10
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Yep! I've been following your your trips and realizing that it
is the wrong playground (water?) for me.
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Old 04-29-2015, 10:07 PM   #11
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Show us your keel

Ted-- holy shizzle 8.5' !! (And I think your rudder is missing)

Mark-- what does your boat draw ?

Oliver-- I want that boat when y'all are done updating it. 😁

Heron-- nice looking boat!

Bob Cofer-- that's a nice big rudder!

Windmill-- interesting that you have the long shaft coming out of the keel.
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Old 04-29-2015, 10:09 PM   #12
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Mark-- what does your boat draw ?
Allegedly, three feet and eight inches.
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Old 04-29-2015, 10:24 PM   #13
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Quote:
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Ted-- holy shizzle 8.5' !! (And I think your rudder is missing)
It's there, view is directly at trailing edge.
Plate steel with angle flare aft.
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Old 04-29-2015, 10:45 PM   #14
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Couple of pics of the dive boat and the trawler:

On the hard for the winter.

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Fresh paint and Prop Speed, heading to the water.

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Freshly sand blasted bottom.

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Getting ready for paint.

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Old 04-29-2015, 11:18 PM   #15
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Main and small bilge keels with fresh paint to and including the boots stripe after sandblasting to spec 5 last Fall. Fresh start for a steel hull 30 years on.
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Old 04-29-2015, 11:28 PM   #16
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And one more.Click image for larger version

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Old 04-29-2015, 11:36 PM   #17
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42" draft.

probably going to have to soda blast or other when hauled next. Usually get 3 years between.
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Old 04-30-2015, 12:09 AM   #18
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Here's Willy in Craig. With some fresh red on her butt.
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Old 04-30-2015, 12:35 AM   #19
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Badger's dirty bottom, then freshly painted;
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Old 04-30-2015, 12:44 AM   #20
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Quote:
Originally Posted by klee wyck View Post
Main and small bilge keels with fresh paint to and including the boots stripe after sandblasting to spec 5 last Fall. Fresh start for a steel hull 30 years on.

Wow. Serious keel and rudder. Nice.
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