Wooden Wedge Oil Press Design

Used in

• Chapter 4 Copper, Wood and Stone

In the Workshop

The beam press

The rows that check it

• 3 confirmed
• 1 amended
• 1 marked for safety

• W10 amended Safety Wedge half-angle must stay under the friction angle: oiled wood 0.35 to 0.39 gives a 19° limit; practice 10 to 12°; above it the cake springs the wedge out of the trough when the …
• W39 confirmed Indus sesame and mustard by 2000 BC; Roman beam and screw presses; Chinese wedge press over 1,500 years old; the Zaan had about 600 mills at once around 1700; Cornelis …
• W40 confirmed Dutch beam 9 ft by 27 in square with iron hoops; wool bags in horsehair mats; hot iron plates; end-grain blocks; two wedges; stamper 150 kg from 1.2 m, about 1,765 J; 40 to 60 …
• W41 confirmed Rapeseed warmed to 90 to 110 °C (smells of toast, breaks between the fingers); cold-pressed under 45 °C gives about half; seed dried a day or two; wet seed foams

In the Index

Tools and their making The kitchen and its dishes Wood, willow and the cask