maandag 15 mei 2017

4.6m Lapstrake sliding seat rowing shell

Inspired by the course of the previous post,
I designed a traditional built lapstrake rowing shell with sliding seat. Stable and with enough freeboard to be able to cope with waves.
Lower planks waterresistant plywood with an epoxy coating, upper planks western red cedar, all planks riveted. Carbon competition oars and carbon oar-wings to make it of these times.

See rendering below and on youtube








dinsdag 2 mei 2017

Msc nav. arch. goes back to school

 Msc nav. arch. goes back to school

after working in shipbiulding, inland navigation, and maritime simulation for 35 years it was time to handbuild with traditional methods and materials.


During a 9 day boatbuilding course at the "Bootbouwschool" 7 guys built this 14ft pulling boat in the  Whitehall tradition. Bert van Baar owner of the school was our tutor. 
Day one started with setting up of the build stations and day 9 ended just after lunch with us proudly admiring our work in the sunshine.
The design is based on the book "Building Catherine" by Rich Kolin

 

What have I learned that I could not have learned from books or internet.:
  • The joy of working with natural unprocessed wood, the feel, the smell, its inconsistencies.
  • Building is teamwork, with all its joys and irritations, stories and collective energy.
  • Lapstrake pronounces the lines, the shape of the hull.
  • Clinking the hull requires expertise and secure planning to pull it off.
  • A workshop with woodworking powertools, machines and ample space is essential.
  • The quality of the wood is paramount.
  • Boat building is not for everyone some level of skill is required, even for a tutored course.
  • Experience and hands-on working has its clever tricks and hunches to solve problems and work efficiently.
  • Building a wooden boat is very physical, muscles will hurt and blood will be shed.
I personally should have built a traditional wooden boat much earlier, it might have changed my professional career.

 Some pictures of the course.










donderdag 25 augustus 2016

Horseshoe house

The inspiring Grand Designs series county Antrim 2015, showed the beautiful home of Michael Howe of 2020 architects design for the renovation of an old forge.
This got me thinking, resulting in the following rendering, also shown on youtube,






zondag 24 januari 2016

Solar VW combi, Solar Renault Trafic

1966 VW bus goes solar LINK
Read the story, as he has some interesting things to say.

Below some pictures and some 3D renderings of what he has done with the VW combi ( app 1.170 Wp) and what could be done with a Renault Trafic van with 2.340 Wp of panels. All within regulations.

Hope to inspire.








My renderings of the VW combi show the immense area of the panels. Looking at the photo's he used 9 panels of 130Wp. Panels of 1482mm bu 676mm are available, 4 base-cells wide.




Renault Trafic, is pretty wide and boxy so well suited for conversion. The 2.380Wp of the panels would on a sunny summers day easily allow driving in a town and a battery pack of 15kWh could be charged in a day. Interesting numbers.
The Renault Trafic is cheap second hand, and with a conversion to electric, one would not have to bother with the quality of the motor, which would probably be in bad shape as the Trafic is a typical builders van..

Regulations even allow for much longer roof panel rack, ie 3.5m in front of steeringwheel center and 5m aft of aft axel. I did the drawing, looks/feels not OK.

This solar Renault Trafic is within the narrower limits of the law. One meter in front of and one meter aft of the vehicle. Still looks pretty impressive (and impractical?)







zaterdag 16 januari 2016

Louis Brennan mechanical gyro stabilization

Just my design for building my Brennan mechanical gyro stabilization,
see also blog of January 2015






zondag 20 december 2015

St klaas surprise, side-table cube

We have a family tradition of making nice stuff for each other at St Klaas, this year I made the following, a table cube of two side tables. maybe it will get you thinking about making something for someone else.







On one side is written Marianne Williamson's beautifull text:

OUR DEEPEST FEAR



'Our deepest fear is not that we are inadequate
Our deepest fear is that we are powerful beyond measure.
It is our light, not our darkness that most frightens us'

We ask ourselves, Who am I to be brilliant, gorgeous, talented and fabulous ?
Actually, who are you not to be? You are a child of God. Your playing small doesn't serve the world. There's nothing enlightened about shrinking so that other people won't feel insecure around you. We are all meant to shine, as children do. We are born to make manifest the glory of God that is within us.
It's not in some of use, it's in everyone. And as we make our light shine, we unconsciously give others permission to do the same. As we're liberated from our fear, our presence automatically liberates others.


From Marianne Wiliamson "Return to love" reflections of the principles of a course in Miracles. 1992
ISBN 0-06-016374-7
 


"