Dillon Francis Oberholzer

Custom Design - Manufacturing - Management

CV

Tel: UK - (+44) 0113 328 0883  Tel: USA - (+1) 360 775-2522 Tel:  GT - (502) 5113 5715 / Guatemala

dillonfrancisoberholzer1970@gmail.com

SAILBOAT Enclosure

design & Manufacture

Mono Hull Enclosures

Catamaran Enclosures

Working with and on vessels from 20 foot to 120 foot and beyond I have had a lot of fun and created some exhilarating projects that enhance both the lines and the yachts' functionality 

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Having been in the sail and canvas business for over 20 years, I have done more than a few  enclosures. 

I can't remember half the enclosures I have done.

These are a few pics of some of some of the projects but the most awesome projects I seem to have lost the discs for. 

Welding 1/4 inch poly carbonate ballistic glass is one of the projects I would love to have shared but alas the pics are gone. I have welded and heat formed poly carbonate glass and ultrasonically fused the fabric frames with flexible water tight zippers. imported from on one manufacturer in the world. I get a kick out of doing the extraordinary but most of what you see here is what has payed the bills.

I do enjoy making enclosures and have made them all over the world. Below you will find just a small gallery showing a varied collection of different projects done over the years.


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Catamaran Enclosures

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 More Cat projects

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All projects are different. 

On the technical side, I uses zipper track systems for adherence and anchoring  but there are a myriad of different systems each that has its own unique application. Using the right set of systems and functionality is dependent on the clients use and bucket list of feature he/she would like to have incorporated into their enclosure.

Safety first and functionality second.

Color matching with other canvas on-board brings us tho the aesthetics.

There is never rule for taste so on this note I refer to the clients senses.

Dillon Francis Oberholzer

 


Dodger Design Notes 

 

initial Drafting

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1. The first step is to draw out a basic design of the clients requirements aesthetically.

2. This does not always work with what the lines of the boat.

3. It is important for both the canvas company's reputation and the resale value of the boat  that the design of the dodger follows the line of the boat and functions correctly with all running gear on board.


Client Relations

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1. Once an initial draft of the dodger design has been done and accepted by the client / boat owner the computer draft can be created which helps in the patterning process.

2. Special attention needs to be made to the clients height and visibility above and beneath the dodger by the hlmsman. 

3. At this point a 3D spacial model can be created to ascertain clearance space between the dodger frames and the winches / running gear.

4. Now the client can have a better idea as to the functionality of the dodger design and any limitations it may have . Compromises are part of the process.


Sizing 

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1.Throw or length and width. are the first along with height that need to be considered.

2. Many of the newer boats lend the dodger design to squarer corners which maximize the interior space but make the outside deck walkways narrower.

3.Special attention to Jib lines need to to be made as newer boats have furling lines and cleating systems that also nee to be taken into account. 


BOOM HEigHT WITH VANG CONSTRICTIONS

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1. Boom height with vang constrictions. along with traveler and main sheeting is another running gear compromise that affects the dodger design and functionality. 

2. Depending on the length of the main sheeting traveler and the expertise of the sailor the curvature of the aft bow for the dodger can be dicussed. the rounded curve will be a safer choice if the main sail jibes but will limit the coverage and protection the dodger offers. 

3. Sharp corners present snagging locations for the main sheeting and could cause serious damage and or injury in the case of a hard jibe.

Often re-cutting the sail can optimize the dodger sedign both for aesthetic and functionality reasons. Whether the client is willing to go the extraa dollar mile ... Well that a budget question.


designing for Enclosure extensions 

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One normally designs a dodger as a stand alone piece of hardware. However, taking into account what the next owner might want or what the current owner might actually require  and possibly order the next time round is again something we need to take into account,  

The lines for the enclosure need to be as simple as possible. The simpler you can make the dodger and incorporate the features for for connectors, the easier it will be for an enclosure to be incorporated. keeping where possible a srtaight line from the bimini to the dodger is ideal but not always possible.

Please at this point take into account weather! 


Windage 

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Here we need to take into account the weather and the amount of windage the dodger and an enclosure can present in adverse conditions. As the wind picks up  a large enclosure while offering comfortable accommodations  can cause a boat to have increased weather helm and in severe conditions 40 knots plus can inhibit the boat from maintaining a course.

Please try when deciding on a design to enable the dodger and enclosure to have reasonably rounded bows and curve to enable the vessel in adverse weather to perform as intended. 

If on the other hand you have a large motor on board and the vessel is over 35 tons you don't need to pay as much attention to this factor. 

Performance yachts normally need special attention to detail.  


SJC MARINE

 by

Dillon Francis Oberholzer

 

Having owned and worked in leading American Marine companies until 2015 Dillon Oberholzer sold his businesses and moved from the USA  to Guatemala to further his work in Marine Bacteria Remediation whist setting up SJC to incorporate the fine textile weaving and hand finishing into the SJC line of marine products. 

This in turn led to the development of  BMS where his skills have been put to the test in incorporating modern  state of the art  manufacturing processes integrated with local hand woven products, all protected with "BMS"  Bio -Static, Anti Microbial, water resistant finishes.

Our CAD and technical abilities allow our clients to order products online within fabrication tolerances of 1 mm per 10 meters of final product manufacture.

Precise - On Time - Economic Solutions

 

SJC Marine Product Showcase

Marine Exterior Upholstery

Marine Exterior Upholstery

Marine Bedding

Marine Bedding

     Marine Interior  Upholstery

     Marine Interior  Upholstery

Marine Curtains

Marine Curtains

  Marine  Head  & Hull Liners

 Boat Winter Covers 

 Boat Winter Covers 


Global Shipping and Payment Services

       Global Delivery
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