These are full plans - for study plans, click HERE

KD 860 Ω biplane rig version
Clients where asking me. Is it possible to use a biplane rig on the standard KD 860.
To position the biplane masts in the correct position the inside layout of the hulls makes this
impossible.
So, here is the re-designed KD860 Ω with a new layout of the accommodation.

Specification
LOA/LWL: 8.60m
Beam c/c: 4.30m
Draft hull/rudder: 0.4/0.7m
Weight empty: 1300 kg
Weight cwl: 2700 kg
Sail area biplane rig
21 x2 42 m2
L/B ratio: 1:2
L/B ratio hulls: 1:11
Prismatic coefficient: 0.569
Righting moment max.: 5400 kgm
Outboard engines 12 HP (4 cycle preferable)
Construction time about 1200 hours

Full Plans
All draings are CAD Cam DXF files, most of
the to scale 1 : 1 and a manual
how to build the boat
For study plans click HERE