[SEL] Now Hot tubes ?

[Rob Skinner]

> The tube, is a tube in that it is drilled out to almost  it's full length to 
> approx 1/4 inch. At the non screwed end it is pointed,i.e. a 
> diamond point. The material is ferrous.Am i correct in assuming 
> that there would be some kind of glow plug inducing material 
> inserted into this tube?

No sir.  It remains hollow.  The "hot tube" his heated until it is red.  On the
compression stroke, the fuel/air is forced up into the tube.  Eventually, a
combustible mix reaches the hot area and ignites.  

> Needless to say that this engine is one of those old open 
> crank ,sideshaft engines that some bastard took the name 
> plate off. All efforts have failed to identify the maker

For those of us with short memories, can you remind us where we can see the
pictures?

Rob