Telescopic Masts

Cramm can supply all your requirements regarding navigation masts, antenna masts, flag masts or light masts. Cramm telescopic masts have many advantages over standard masts. For example: telescopic masts can be retracted below deck when berthed or moored, so that the deck space can be used for other purposes. When the telescopic mast is retracted into the deck, it gives the deck that superyacht sleek and luxury look.

Instead of telescopic sections, the mast can also be fitted with a folding system or combined with a crane function, producing a crane-mast combination that is stored horizontally on or below deck. Cramm masts are manufactured from stainless steel, with visible components receiving an elegant brushed finish. If preferred, the whole mast can be faired and painted in the same quality paint as the yacht, to give it that extra designer look.

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Telescopic

As a mast stands vertically, the storage system space below deck is always limited to the height of the yacht. To ensure that every length of mast can fit on or below the superyacht deck, Cramm telescopic masts can be constructed in single, double or even triple telescopic sections to reach the desired mounting height. Using telescopic sections means that the storage system will require less build-in space within the superyacht. And by adding teak to the top of the telescopic mast, it will blend into the deck when mounted below deck.

Applications

Cramm masts can be used for a wide range of applications including navigation masts, antenna masts, flag masts, crane masts or light masts. As we offer a wide range of options, materials and designs, and as the masts can withstand severe weather conditions, our masts can be fitted on every yacht or vessel and used for all applications. This makes our yacht equipment suitable for superyachts, fast support vessels and explorer vessels.

Folding or Fully-customised

As well as telescopic sections, the mast can also be fitted with a folding system. This offers the option of transforming the mast into a crane (multi-purpose equipment) and storing it horizontally on deck or making it sinkable, below deck. When storing the folding mast horizontally on deck, the cabins below deck will not have a cylindrical-shaped obstacle in the room, which increases the space on board.

By adding a teak-covered hatch, the mast will blend into the deck while lying horizontally below deck. To minimise the height of the storage system even further, Cramm can create fully-customised masts to meet every need and requirement.

Design Storage

Cramm offers above deck or built-in below deck storage systems for telescopic or folding masts. Storage above deck enables easy installation of the telescopic mast. Furthermore, if an upgrade is needed in the future, no significant adjustments need to be made to the superstructure and deck.

When storing a telescopic mast or folding mast below deck, the design of the mast fits perfectly into the yacht and deck. With our telescopic mast concealed beautifully in the deck of the yacht and with a teak covering on top, our yacht equipment is almost invisible when walking around the vessel. As well as giving the yacht a luxury look, it also creates more space on the fore or aft deck.

(IDynasty with retracted mast)

Safety in every storm!

As a mast is a major safety feature, it is required and advised to be on the fore and/or aft deck of a yacht. With a telescopic mast as a navigation mast on the foredeck, lights can be used when at sea at night or for extra safety when moored in a harbour. Cramm telescopic masts can withstand the most severe weather conditions and, where necessary, Cramm masts can be engineered for storms of up to Force 12 (Beaufort).

For extra comfort and safety, the masts can be operated from the bridge or via a remote-control pendant, so that crew members do not need to access the foredeck in the dark to extend the mast while cruising.

COLREG

Cramm telescopic masts satisfy Collision Regulations (COLREG 1972) rules and, depending on type and purpose, certification can be obtained from any required Notified Body. COLREG sets out, among other things, the “rules of the road” or navigation rules to be followed by yachts and other vessels at sea to prevent collisions between vessels

REFERENCES

Motor Yacht Idynasty

Working with Cramm over the last 3 years has been a pleasure. Cramm equipment is built to a very high standard, and unlike some bespoke equipment found on yachts, has proven to be very reliable. The installation of Cramm equipment has been carried out by experienced technicians with maintenance in mind for access to serviceable components.

Cramms service engineers are extremely knowledgeable of their systems, routine service visits incorporate thorougher inspections of equipment, often detecting potential problems before they occur. Cramms service engineers are always very careful with keeping clean and not making a mess. Working areas are always very well protected before work commences, and left as found. I would definitely recommend Cramm for hydraulic equipment as one of the leading company’s in the industry.

Martin Thomas

2nd Engineer

Royal Huisman BV

For me it is a big advantage that our companies are relatively close to each other. This makes the verbal communication much more efficient. Short lines often work better. So also the follow up of appointments and agreements work well is my experience. What I also notice about Cramm is that in principle everything is negotiable in a good way, as well the somehow bigger challenges. Cramm is a beautiful Dutch company to work together with.

Pieter Smit

Planner / Work preparation

Motor Yacht Castellina

I would like to take the time to thank you for the recent visit from a Cramm engineer. It was great to get him back onboard after 16 years to see how the system is now functioning. We found him to be extremely helpful and carried out the assessment with great care and was very thorough.

With the system still functioning well after 16 years of hard service we are certainly going to stick with you, for our up and coming major refit next year, you certainly have our trust! With your revolutionary designs, great service, great build quality and dedicated professional engineers, I would be happy to recommend your services to anyone looking for a first class service.

Tim Cooter

Captain

Motor Yacht Blade

Over the past years Cramm has done several projects on board M/Y BLADE. No matter how big or small, each project was completed to a high standard. Cramm’s service has always been transparent, friendly, efficient and neat. Their knowledgeable engineers are always willing to go the extra mile and their aftercare never disappoints. All in all we’re extremely happy with the service Cramm has provided us with over the years and we’ll continue to use them.