adrienstratosphere, Author at Composite Works by Infusion Technology

Coaming in a 40m MY garage

April 2, 2021April 3, 2021 adrienstratosphere

Nice, 2021

On this 40m motor yacht, the crew noticed a problem in the garage. When the garage door was open, to bring out the jetski or the tender, the waves made water run inside the garage. So, the boat needed a large coaming, invisible from outside, to protect the garage from the waves. But this new coaming had to let the tender and the jetski pass through it by apertures to go in water. We decided to build a main coaming with two apertures, and two easily removable doors.
First, we scanned the garage with our FARO FREESTYLE 2 to visualize in 3D the aperture of the garage door, but also the shape of the jetski and the tender.
Then, we drew our modifications and took the precise measurements of the garage door.

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At the workshop, we started by building a mold in wood to create the coaming, with its two apertures reproducing the shapes needed. Separately, we also made the doors using the shapes determined thanks to the 3D. All have been built in fiberglass at our workshop by Infusion Technology.

What do you want to do ?

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What do you want to do ?

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The last step was to bring the coaming on the boat to laminate it. The crew can now open the garage without fearing the waves and easily remove each door when necessary.

Riva Duchessa hard top modification

October 5, 2020October 6, 2020 adrienstratosphere

Saint Jean Cap Ferrat, 2020

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On this Riva Duchessa, the owner wasn’t satisfied with the hard top on the fly bridge. It was too small to protect the full area of the flybridge from the sun. So, the goal was to bring more shadow by extending the hard top.

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After several discussions with the captain, we chose the idea of extending the roof aftward on both sides with two fixed elements, and stretching a canvas between its two elements by an electrical system.
Besides, we replaced the central part of the roof by a new one that we built in fiberglass, with 3 spaces in the middle to receive plexiglass in it.

We made every part of this modification in fiberglass by Infusion Technology at the workshop.

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Then, we laminated each piece to the original roof.

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Here’s the job done !

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Chines Modifications on 30M MY

June 1, 2020October 5, 2020 adrienstratosphere

Golf Juan, 2020

On this 30m yacht, the owner complained about the noise made by the waves on the hull of the boat.
The Argentinian architect Enrique Mitch offered us a drawing of a modification so that the waves no longer hit under the hull of the boat right next to the owner’s cabin. In practice, it was necessary to add elements to create this new shape. The modification concerned approximately 9 meters from the bow. As the boat was made of aluminum, it was impossible to laminate the new elements directly on the hull. So it was first necessary to make two pieces of fiberglass molded on the hull as base for our modifications. These parts have been bonded with a flexible elastomer bond from Kent Marine, allowing a good grip between the laminate and the aluminum of the hull.

We have divided our modification into 4 different pieces per side (8 in total) to facilitate the installation. These pieces were made of fiberglass in the workshop thanks to the Infusion Technology, then laminated one by one to our base.

A serious calculation of the necessary scantling allowed us to keep our peace of mind when the slings came to grab this 102 ton boat !

What do you want to do ?

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What do you want to do ?

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New coaming for MY sunbed

March 4, 2020March 4, 2020 adrienstratosphere

Saint Jean Cap Ferrat, 2020

On this 23 M Sunseeker motor yacht, the captain always had a problem when he washed his boat at the sunbed area located at the front. Indeed, as the mattresses are in a space lower than the deck, there was permanently water running in this part of the boat, and the mattresses were never perfectly dry during the summer season.

The project was to design and build a coaming all around the sunbed to prevent water from entering. This new element obviously had to perfectly respect the rounded shape of the sunbed, to give the impression of having been originally designed.

Strat-o-sphere has modeled the sunbathing in 3D to be able to test different aesthetics according to the client’s wishes (height, thickness, etc.). When the project was approved, we made this 2m by 2.2m piece in a single piece of fiberglass using the Infusion Technology, and then laminated it to the boat.

After the Gel Coat finish and a good polish, our piece seems to have always been there !

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Unique piece for international shows

October 7, 2019March 4, 2020 adrienstratosphere

In July 2019, we met the French composer Michel Redolfi (michelredolfi.info), specialized in underwater music. For his next show, scheduled for August 24th in Deauville, he needed a special piece allowing him to “sit on the water”. Having found no satisfying products on the market, he asked Strat-o-sphere to design this new custom-made item.

redolfi sans soucoupe jobe2 — Design imagined by Strat-o-sphere

This element had to be at the same time stable, light, resistant, wide, floating but staying at the limit of the water, and needed a certain style to be integrated in international shows.

Strat-o-sphere designed and manufactured this custom made fiberglass piece in a few days by Infusion Technology

After consultation with Michel Redolfi, we chose a white gel coat finish and bamboo plating in the center, on the seat part.

This unique piece was delivered in time for the show in Deauville, where we saw the French-American director and actor Jean-Marc Barr lend his voice to the underwater concert “In the dream of whales” …

Passerelle/Stairs on a 37M MY

August 11, 2018March 4, 2020 adrienstratosphere

This 37 meter motor yacht build in 1967 by Clelands Shipbuilding Company needed a passerelle for her charter seasons.

The passerelle should fit in an inside volume of only 2M10 in the lazaret, and should also be used as a ladder to access to the bathing platform.

No existing passerelle in the yacht market would be adapted to the situation.

A careful study unabled us to find the right design and our answer has been a passerelle made of two parts:

One part being located into the lazaret when at rest
One part remaining outside and being used as a scale to reach the platform from the main deck

All the elements were made in carbon and glass fiber, and the movement has been made possible thanks to a strait collaboration with GZ Nautica for the rams and electronic.

This boat being used intensely, we followed her in Lavagna and Napoli for the first study of dimensions, constructed all the elements in our workshop, but installed them during the annual shipyard session in Olbia Sardinia.

Length when fully extended : 4 M 70 from transom
Working capacity : 350 Kg

Garage Door

August 11, 2018August 12, 2018 adrienstratosphere

Monaco 2013

Finding an accessible storage place for the fenders was the main issue on this 58 foot motor yacht.

The idea of opening an access into the garage door was evident, but made difficult due to the reinforcements and stringers located in the existing door.

The decision was taken to build a completely new garage door including a small, easy to open, aperture.

The use of composite under infusion process, allowed us to reduce the door weight by 50 % compared to the old one, thus increasing the storage capacity.

Settee on the fly bridge

August 11, 2018March 4, 2020 adrienstratosphere

Monaco/Viareggio 2012

This new 92 foot motor yacht was unable to get his shipyard made settee delivered in time.

The new settee should of course look like if it where original.

A careful study of the existing furniture design, allowed us to find a shape matching the style of the boat.

Removable Gangway

August 11, 2018 adrienstratosphere

Alpes-Maritimes 2012

Approaching the coast with a tender and landing people was the request of the client.

If building a passerelle is simple, installing a removable passerelle on the rocks was a real challenge.

Drilling holes on the stone made it possible to install discrete bolts where the passerelle can be attached in 30 seconds by one person.

Carbon Gangway

August 11, 2018 adrienstratosphere

Saint-Jean-Cap-Ferrat 2012

On this wonderful Olin Stephens design from 1937 the wooden passerelle needed to be light but strong.

Being on a wooden boat, the finish needed to be “varnished wood”.

The solution of a carbon/infusion process construction was chosen for weight consideration. The finish is perfect “wood like” paint. (being close to the real teak bulwark capping rail would not allow an approximate result)

The pleasure of handling a light passerelle is now compatible with the respect of the wooden style of sailing yachts.