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r13 said..Sorry MM beat me to it............
There are very slight differences in the specs of the B30 (design99) and Noelex30 (design112) from the Farr website;
www.farrdesign.com/99.htmlwww.farrdesign.com/112.htmlThe photo in the B30 link is not a B30.
Follow the links there for both for more details - the B30 was a swing keel with bulb trailing pointed end swinging up into a housing while the N30 was a lift keel which is far better and gives more interior room.
Everyone says drop is better but why?
I believe drop or swing depends on a number of requirements.
Disadvantage of swing is serviceability of swing bolt ,
intrusion into cabin , restriction in length of keel . Advantage of swing keel . Retracts completely into hull , When grounding the grounding is gentle as the keel gives with no damage ,especially with sand or mud bottoms.
Disadvantage of drop. Just about every article I have read about leaks in or around the keel boxes are drop . Could that be because the keel box has to be sealed from the coach roof down to the hull. Most performance drop keels protrude through the coach roof when up. Grounding a drop can do damage more so than swing.
Advantage . Intrusion into cabin not as bad . Better design and placement of keel
with advantage of pointing. The Noelex is seen by many as the king of cruising ts
but alan cant afford the premium price.