11022 Catfish 46

General

Contacts

• Yard is Gielissen Linskens
• contactperson is Peter Linskens (does not master English), will be on holiday wk 28-30 but is during this period available for e-mail.

Classification

• CE-C
• certification DMI contactperson Albert Roos tel +31 61 58 75 825 OR Udo Hafner (designer) tel +49 173 242 19 81 (mobile) DMI is canceled

Scope

• hydrostatics
• general construction plan
• construcion building kit without
  • bench aftdeck
  • mast
• possible systems
• possible interior building kit - construction proposal wk 32

Time schedule

• wk32 preliminary approval
• planning Linskens:
  • half januar 2012 delivery first boat
  • 1 month for building in systems + interior
  • 1 month for hull construction
  • start hull construction half october

Questions

• thrusters - model and type - standard pipe conform Peter
• gaslocker - position?

Naval architecture

Tank arrangement

• tanks at CL
• waste water 215l - Vetus BTANK215
• fresh water 450l - plastic, custom made
• fuel 800l - plastic, custom made
• waste water tank in 'engine room'
• fresh water tank NOT in 'engine room'
• fresh water tank NOT under beds

Propulsion

• maximum speed 17kmh
• standard engine is 140hp
• optional engine is 200hp (consider for air intake)

Construction

• as simple as possible in order to reduce costs of material and manhours
• use bending parts as much as possible: reduced manhours for welding and painting
• railing aftdeck - mounted on L80x40, flange up and outward, ends in line with aftcabin contour, ends closed with plates (this will be painted in contrasting colour) - see sketch 1
• rubrail swimplatform - rubber D-profile mounted on tube OD30 welded at 6mm distance from shell (spacers not in delivery) - see scan stootrand
• inner transom is a bending part
• transom stairs - 1 bending part
• keel and rudder as Catfish 1, unless we can improve it
• sternthruster model and position as Catfish 1
• air intake - was the Catfish logo but this might give problems with painting so this will become a simple label
• airintake - integrate, solution? (purchase part is about €250)
• bulwark - single plate, tube OD30 on top
• bulwark iwo bow - continue over CL when doubts about strength - add hole for anchor
• forepeak bhd - WT with hatch for inspection anchor arrangement
• chain locker - drains to bowthruster
• chainlocker - no bottom
• rubrail - not present, striping only
• steering console - plywood dashboard panels overlapping steel sides, mounted on FB
• aft deck - soft patch - size as biggest wet unit
• bench aft deck - purchase part
• engine room - as small as possible
• engine room - not in steel

Outfitting

Sole supports

• conform GA, minimum headroom 2.00m net, sloping downward in forecabin
• stairs - riser 225mm maximum
• longitudinal rectangular tubes, in cutouts in frames
• windscreen - coaming as Catfish1
• salon entry - custom purchase part Boomsma

Windows and hatches

• exact dimension and position pending on interior
• drawn is exterior of windowprofile
• profile overlaps steel by 17mm, HIP is offset of 20mm

Systems

• see Excel sheet 'catfish techniek'
• electric switch panel 230V/24V Busch-Jaeger

Interior

• finish is HPL except window box which will be Sky
• materials
  • basewood/shell covering - plywood ocoume
  • furniture - MDF + HPL
  • ? - birch plywood
  • Corian soles in wet units
• wet units as Centreboard
• dinette's - rectangular, purchase parts, not to intersect shell
• cabin doors - honeycomb with wooden insert at hinge side + HPL / ABS
• cabinet closing device - push button latch Southco

Surface model

• no extended swimplatfrom
• radius required at corner side/swimplatform to accommodate D-profile
• steering console - steering pump not to collide with joinery wall, move console aft if necessary
• foredeck - no hatches
• bulwark - single plate, continue over bow when doubts about strength
• bollard boxes - extend to deck
• hull to be faired where neccessary
• aftdeck surface - close in way of bench

Building kit

• • windows - mark, cut or cut with bridges, up to us
  • portholes fore ship - partially cut
  • portholes aft ship - cut
  • hatches - cut
  • salon entry - cut
  • thrusters - partially cut in shell