This is the reply from J-Boat tech. Makes the J-30 a range of positive stability 115.72-120.98 Right where we thought. Now what!!!!
----- Original Message -----
From: "R. Alan Johnstone" <alj@J/Boats
To: "Tony Brogan" <tony@
Sent: Monday, February 07, 2011 7:58 AM
Subject: Re: JBoat Tech Message
> The IMS LPS for the J/30 is listed as 105.2 degrees in the 2004 US Sailing
> Publication "Performance Characteristics Profile of the IMS Fleet".
> IMS does not take into account the deck and cockpit shapes in their
> assessment. The J/30 actual LPS when this structure is included is
> approximately 10-15 degrees higher than the IMS number.
> Alan Johnstone
> On 2/5/2011 5:19 PM, Tony Brogan wrote:
>> email: tony@
>> realname: Tony Brogan
>> subjectfield: Positive stability
>> mesg: What is the positive stability of a J-30
>> HTTP_USER_AGENT=Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0;
>> Trident/4.0; GTB6.6; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0;
>> OfficeLiveConnector.1.3; OfficeLivePatch.0.0; .NET CLR 3.5.30729; .NET
>> CLR 3.0.30618; .NET4.0C)