Boat Building Industry Process Technologies Page

Process Technologies Page

Native Fishing Boat Building Technologies

19 May 1997

We have created a Alternative Materials and Methods for the Construction of Native Fishing Boats Page for the presentation of modern technologies that might be useful for mass production of small native fishing boats. Some of the methods discussed are fiberglass, ferrocement, explosive forming, and RIBs.

Trying to Measuring Surface Roughness of Aluminum Castings??
"Israeli Instrument Measures Metal Surfaces the ISO Way"

Photonics Spectra March 1997 Page 32
by Lawrence Normie in Israel
This article has been summarized by Gary Polson at RBBI.
RA'ANANA, Israel - A small Israeli firm, Surface Quality Control Center (SQCC), has developed what is says is the first handheld photonic instrument that can simultaneously measure surface roughness and grease and rust levels in metals, thereby meeting ISO standards 8501 and 8503.

The company's Surface Preparation Tester is based on the simultaneous combination of various photonic measurements in the UV, near-IR, and visible ranges. The device measures, analyzes and objectively indicates the preparation state of metal surfaces before coating or joining, eliminating the need for subjective human visual inspection.

Arkady Lucovsky, SQCC founder, developed the mathematical algorithms specifically to reflect the requirements of ISO surface preparation standards 8501 and 8503.

The battery-powered instrument projects (non-laser) UV, IR, and visible light onto the surface to be inspected. Automatic measurement and algorithmic analysis of the reflected light and luminescence parameters determine the degree of cleanliness and roughness. The Surface Preparation Tester's measuring range for surface roughness is 0.2 to 20 um for Ra and 1 to 80 um for Rz. Average sampling time is 1.5 s and parameters are displayed on an LCD.

SQCC is conducting discussions with several companies in the US, UK and Sweden regarding manufacturing and distribution rights.

More Efficient Melting of Aluminum for Die Casting

21 February 1997
Toyota's 1996 Annual Report (page 19) discusses an energy saving burner technology developed by their entrepreneurship program. Kazuisa Mitani, an engineer in their aluminum casting operations, along with his colleagues developed a regenerative burner that uses a circulatory exhaust system to recover heat from the exhaust gas. It uses 40% lass heat than conventional gas burners.


One new method of boat hull forming that also significantly reduces the various emissions is SCRIMP (Seeman Composite Resin Infusion Molding Process). It also reduces the normal hand labor intensiveness of the process. We have established a SCRIMP Page to follow this technology.

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