Archive for April, 2008

Very worrying counterfeited goods

Very worrying counterfeited goods

The purpose of the MCB (miniature circuit breaker) is to turn off the power to a circuit when the current limit is exceeded. The reasons to do this are to stop the wires or appliances setting on fire when there

Continue reading Comments Add Comment

Stainless Steel Washer

Stainless Steel Washer

“Can you make me up a 38mm washer with a 19mm bore”, said my father, “in 3.5mm stainless steel” he added. My first problem was finding a supplier for the stainless steel. I quickly discovered that I was not going

Continue reading Comments 3 Comments

Inventing Competitions

Inventing Competitions

The Society of Model and Experimental Engineers have issued their Low Energy Challenge, SMEELEC. The requirement is that you use a low energy supply to store up energy then release it to raise a weight as fast as possible. There

Continue reading Comments Add Comment

Workshop Electrics

The changes to the UK electrical regulations made in 2005 are designed to reduce the number of people electrocuted by their own incompetent wiring and to eliminate cowboy electricians. The “part p” regulations basically specify that a competent person (electrician)

Continue reading Comments 13 Comments