BoatsTopcat 4.5

Topcat 4.5

Catamaran, asymmetric hulls · Frac. Sloop (Rotating Spar) · First built 2005

A lightweight 4.5-meter catamaran with a rotating rig, designed for simple, boardless performance

Designed by Bernd Breymann & Klaus Enzmann.

LOA
Beam
Displacement
Hull type
Catamaran (No boards/asym.)

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Rig & sail area
Rig
Frac. Sloop (Rotating Spar)
Ratios
SA / displacement
58.1
Hull
Hull type
Catamaran (no boards/asym.)
Construction
Fiberglass
Production
Years built
First built 2005
Designer
Bernd Breymann, Klaus Enzmann
Builder
Topcat GmbH

Boats like this, on the water

Nobody has filmed this one — but these are close.

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Supercat 154.65 mSame hull family0.2 m longerA high-performance beach catamaran with a rotating spar and an exceptional sail-area-to-displacement ratio
Hobie 175.18 mSame hull family0.7 m longerA single-handed performance catamaran featuring a wingsail-style rotating mast and twin daggerboards for upwind speed
Hobie 165.05 mSame hull family0.6 m longerThe most popular sailing catamaran ever built, featuring a rotating spar and boardless hull for high-speed beach sailing
Hobie FX One5.18 mSame hull family0.7 m longerA 5.18-metre single-handed catamaran featuring a rotating fractional rig and an exceptional 56.56 sail area-to-displacement ratio
Hobie Tiger 185.51 mSame hull family1.0 m longerDesigned to the Formula 18 rule, this 5.5-metre catamaran features twin daggerboards and a high power-to-weight ratio
Hobie 3.53.51 mSame hull family1.0 m shorterA scaled-down version of the Hobie 14 with a rotating cat rig, designed specifically for younger sailors under 140 lbs

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

The newsletter

New boats, new stories. Every week, everywhere.

One email from the fleet — boats newly added, videos newly analysed. No noise.

Report an issue