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Length OA 11.90 m (38' 11")
Length Hull 10.50 m (34' 6")
Length WL 9.95 m (31' 0")
Beam 3.75 m (12' 3")
Draught hull 1.90 m (6' 3")
Sail area - up wind 81 sqm (872 sqft)
Displacement 12 t (26015 lbs)
Material Steel or Aluminium
Engine Power 50hp inboard diesel
Fuel Tank Capacity 400 Ltr (105 USGallons)
Water Tank Capacity 380 Ltr (100 USGallons)
Holding Tank Capacity 200 Ltr (53 USGallons)
CE-category A (ocean)
Highlighted Aspects Fixed Keel
  Extended Cabin
  Multichine Hull



The Bornrif is a classic sailing yacht, built with modern materials and modern building techniques. The multi-chined steel or alumium hull is built up with 4 overlapping strakes. The Bornrif 35sf is standardly outfitted with a fixed keel.

The main focus of the design is comfortable long range ocean sailing and passage making.

The Bornrif is standarly outfitted with a cruiser cutter rig. All sailhandling can be done from the cockpit.


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Custom Marine Design

Manta Marine Design provides custom solutions for clients. With a wide variety of projects done we are able to think outside the box to meet your design brief

Naval Architecture

We offer a wide variety of specialized calculations like Intact & Damage Stability, Computational Fluid Dymamics (CFD), Finite Element Analysis (FEA)

Build Kit Engineering

We offer high quality and comprehensive Build Kit information packages for Steel and Aluminium vessels as well as Plywood or MDF Jigs or Moulds


We can visualize your ideas, sketches or 2D CAD drawings into photo-realistic renders. We can make still images, short 3D model animations but also walk through Virtual Reality (VR) Models!

Project Support

We can offer our services for partial assignments or as project support. This can be as an independent contractor or as a member of your design team.

Refit / Conversion

You can consult Manta Marine Design for a refit, renovation, conversion or reconstruction project for your vessel