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Technical
This section contains a few snippets of a technical nature which may be of interest. Click on the button on the right to learn a little more about the theory of magnetos and dynamos.

We have been continually expanding this section of the website as and when time permits. If you have a particular interest in an aspect of magneto or dynamo theory and think that it may be worthwhile us writing it up, please let us know. No promises, but we will certainly consider it!
Magneto Rotation
Magneto Internal Timing
Advance and Retard
V Twin Magnetos
Dual Magnetos
Aircraft Starting Magnetos
Slip Rings
Points Gap
Points Bounce
Spark Polarity
Voltage at the Spark Plug
Spark Test Gaps
Safety Gaps
Condensers - theory
Armature Tapers - theory
Dating Bosch Magnetos
Magneto Bearings
Remagnetising Magnetos
Dynamo Configuration
Three Brush Dynamos
Dynamo Cut Outs
12v Conversions
This section, showing the THEORETICAL side of the business, complements the PRACTICAL side which can be found in our Workshop
section
We have often been asked about why we are revealing 'trade secrets' on these pages. Our view is that there are no secrets - only knowledge and we have no qualms about sharing that with anyone interested!