Ethanol Free Gas
This is an interesting engine, built by an interesting man. John has just been through some sort of trauma which resulted in the loss of use
of his right hand, and writes under the name "Bogstandard" for the British marine boat forum "Paddleducks".
The forum sponsors a meet in early September each year of model "Paddleducks".
Paddleduck is the British term for what we here in the colonies call 'paddlewheel' boats.
Haven't found a useable picture of the John's paddleduck engine, so here is a video clip.
This is an interest build for several reasons. One is that the engine is a lot smaller than it looks. See page 47 to get an idea of the
real size of the engine. One of the build criteria was to buy as little material as possible, relying on the scrap bin as
much as possible. Another point of interest is that John started building this engine without having a firm design in mind, and
cleared up the details in the design as he went along. Another criterium was to avoid the use of "complicated" decimal
fractions and to stick to 8 mm, 9 mm, 10 mm, etc, as much as possible. It's also a piston valve engine. Another is that John is
a born teacher, and assumes that many of the PD's, or readers, have little machining experience. This build is very different from
Elmer's engines in that the build is about 120 pages long.
Without further ado, here are the download links:
