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Characteristics - seaworthiness


22 May 2019 | Last update: 23 Dec 2020

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

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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

Favorite thing I did in Barcelona

My Birthday wouldn't have been as special if not for this wonderful sail with David. The boat is so charming and beautiful. David is great, you can tell he loves what he does. Highly recommended. Thank you David for making my Birthday one of my most memorable.
JUSF | New york

Fantastic afternoon's sailing on Gemini with Skipper Dave

We took a 3 hour sailing trip with Skipper Dave - it was by far my favourite part of the holiday, and represented excellent value for money.
dduffy41 |

Perfect romantic evening

I planned a private sunset sail with my partner as a surprise while we were on holidays in Barcelona. it was perfect! Dave was wonderful, the boat was perfect, it was lovely to sit, eating some cheese and watching the sun set and the lights go on around the town. A very special experience - highly recommended! Thank you again Dave for a memorable evening
Mima_Pope | Darwin, Australia

A must in Barcelona!

We enjoyed our sunset cruise w Dave! Great way to relax and see the city! It's a very comfortable boat and ride (didn't feel motion sick) his sail boat can handle the waves. HIGHLY RECOMMEND!!
purplenimen | Fort Myers

A fantastic afternoon

A group of friends and I sailed with Dave one afternoon and it was one of the best things we've done in Barcelona! It was great to see Barcelona from the water and Dave was extremely nice and Gemini was great. Hands down something you must do while in Barcelona
Jacqueline B | Barcelona, Spain

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