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Characteristics - seaworthiness


22 May 2019 | Last update: 28 Jun 2019

As far as seaworthiness goes, Gemini’s construction is all about strength. Really, she is overbuilt, to give confidence when dealing with rough weather. The structural, oak ribs are set just 6 inches apart, and every second rib is double-thickness timber. As I’ve already mentioned, the canoe stern also gives a very strong structure.

She has twin forestays, so if one breaks, the other is backup. And the narrow hull and heavy lead keel mean she is exceptionally resistant to capsizing, and if it should ever happen, she would flip back up within seconds. Many modern boats, with their broad hulls and ballast keels of just a few hundred kilograms, are remarkably stable when upside down.

Most of Gemini is actually under the water. That 5 ½ tonne keel pulls her down. It means that down below, there is plenty of headroom – more than 6 feet. Nevertheless, she doesn’t have much freeboard – the expanse of hull above the water. This is a good thing. Freeboard acts like a sail, except you have no control over it. The wind force against the side of the boat can be a significant factor, pushing the boat down to leeward when you really want to stay up to windward. Compare that with modern boats. Their light weight and flat bottom means that in order to provide a comfortable amount of headroom inside, they have to build hulls with lots of freeboard. The combination of large freeboard and light weight makes for a boat that falls down to leeward rather easily.

Read on to find out how the design brief was fulfilled:

What our customers say

Over 250 ★★★★★ reviews

TripAdvisor Certificate of Excellence & Hall of Fame 2015, 2016, 2017, 2018, 2019

A wonderful evening with Captain Dave

Captain Dave and his boat Gemini were the perfect escape from the urban Barcelona. We booked an afternoon sail however he contacted us and advised we go a bit later to enjoy the sunset. It was beautiful. My love and I had the boat to ourselves and Captain Dave was a perfect balance of accommodating and knowledgeable, while at the same time leaving us to ourselves so we could soak in the experience.
braddog8 | Bozeman, Montana | 27 October 2018

Great sail!

This sail around Barcelona was the highlight of our trip! Captain Dave is fantastic; he made us feel welcome and at home on his wonderful boat. We loved that the sail was just our family and was so reasonably priced. We highly recommend this trip and will absolutely do it again when we return to Spain!
Elise M | Seattle, United States | 19 April 2018

Excellent experience

The experience is highly recommended. The Gemini is a very nice boat to sail on, Dave is very kind and the price very competitive. Largely matched our expectations!
Marounistan | London, United Kingdom | 7 June 2018

A Barcelona must!!!

Not only is Dave a personable, accommodating captain, but sailing on the Gemini is a unique experience with breathtaking views of the city. The old boat is comfortable and gorgeous with an interesting background. The experience was a 10/10, and I would highly recommend to anyone I know who's traveling to Barcelona. Very well worth it. Thank you, Dave!
drogers9 | Boston, Massachusetts | 5 October 2018

Mediterranean Coastal Cruise

My daughter and I were stopping in Barcelona for the week for her Spring Break. We didn't know the city, or have any plans, so on the fly, we found this Sailboat cruise, signed up and went. It was very easy to book, very easy to find, and an enjoyable experience all around. Skipper Dave was super nice. He answered questions, and talked to us as needed, and also, allowed us to just chill on the front of the boat and enjoy the views. It was a great time, and if you want to get away from the hustle and bustle of the city and enjoy some peace and quiet with a great view, I highly recommend this trip.
jontravels2018 | Destin, Florida | 31 March 2018

Fantastic Experience

Highly recommended for a group of friends/family. 3 hours was a perfect amount of time to cruise the harbour and the captain really gave us space so it felt like our own boat. Much preferred to the large catamaran tours with 50+ people
mitchpittaway | Toronto, Canada | 18 July 2019

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