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When is my boat on plane

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briang0

Regular Contributor
I use to have an 18' Wellc

I use to have an 18' Wellcraft. I always knew when it was up on plane I could feel it. With my current boat 25' CC express cruiser I find it hard to tell. I have trim tabs so I can play is it correct to say as the RPM come up when I adjust the tabs I am coming up on plane. Is there and easier way to tell? Size of wake? I'm sure I get there just not sure when.
 
You are on "plane" whe

You are on "plane" when water is not being sucked back in under the transom....IE the hull is moving faster that the waters resistance....
 
"My surveyer described it as:

"My surveyer described it as: <font color=""0000ff"">When you see smooth water aft of the swim step between the two wakes on a twin props boat"</font>"
 
How do you tell if your boat h

How do you tell if your boat has a planeing hull or a displacement hull? I have a 74 CC Express Cruiser 25'
 
"Brian,

I think by de

"Brian,

I think by definition, express cruisers are planeing hulls. Flybridge cruisers on the other hand are displacement hulls. <font color=""0000ff"">IMHO

Here is a link that explains the different hull types: http://fenderkicker.typepad.com/fenderkicker/2006/06/displacement_pl.html
</font>

Other way is to look at specs for boat which should describe the hull type. Planeing hulls normally go over 20 knots as opposed to a semi displacement hull which is designed for less than 20 knots."
 
"When you chop the throttle, t

"When you chop the throttle, the hull drops back down into the water. That's the most obvious sign of having been on pllane.

Jeff"
 
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