AF Lightened flywheel

[fairspares]

has anybody in the last 40 years actaully done a airflow-test on a Lambretta flywheel cowl (+ head cowl) with different flywheel types (short finned/ long finned / lightened) to show the differences in airflow and what easy optimisations can be achieved?

Yes , Ben @AF did some extensive testing a couple of years ago with airflow / temperture testing equipment , from what i remember he found out that there was very little difference in cooling over the various ways of fitting head and flywheel cowlings and different flywheels , what he did find was that the larger heads made a big difference in lowering running tempertures and thus why they have now produced the Mamouth head.

Are these similar to the Moss heads theyve been using for a few years.

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