Veeduber wrote:
>> it was a bug engine that ran on 2 barrels one side, and the other side
>> was used as a high output air compressor.
>> ---------------------------------------------------------------------------------------------------
>
> Actually, it was probably configured with two OPPOSED cylinders to
> provide power, the other pair to act as the air pump.
>
> As a point of interest, people have been doing his type of conversion
> since before the First World War. In 2000 I posted a message to this
> Newsgroup explaining how to convert a running VW engine into a two-
> cylinder air compressor without having to dismantle the engine.
> (Search this Newsgroup using 'veeduber air-compressor' as your seed.)
> But it assumes you already know the basics of air compressors. What
> Dunn-Right offers is a complete kit of all the bits & pieces.
>
> -Bob Hoover


Plus, as I understand it, a special cam that makes it work more
efficiently.

Jan