Re: Today's home page picture
- Hi Pete,
--- In firstname.lastname@example.org, "Pete B." <georgeyyy@...> wrote:
> Hi Frank,
> On break & Checked out the messages...
> I have two questions based your home pixs:
> * Where did the "bread & Butter" boat kit picture originate?
Go to http://tinyurl.com/25yv72 and scroll down for an image for a kit for a lifeboat to see the bread and butter thing.
> * Do you know if there ar tube boilers commecially available? I've
> seen the diaphgm type but not the tube type.
I don't know if there are any tube boilers or not. Most people probably buy tubing and wrap it around a broom stick or something to make their own.
> I also like the K. G. Wells (Model Engineer 14 AUG 63) "jet boat" that
> you uploaded to our FILES section. I'm going to look at redrawing the
> pattern in CAD and then post in FILES. More later....
> --- In email@example.com, "Frank McNeill"
> frankmcneilll@ wrote:
> > Hi All,
> > Today's newest of numerous new home page pictures shows a clip from an
> > article by Len Stevens from the April 1996 issue of Model Boats
> > that Richard Jenkins posted to files. This was the article that
> inspired his
> > construction of our poster child "Popflea" which can be seen in our
> > section and his observation about the superior performance of boilers
> > of square brass tubing over round tube and diaphragm type boilers.
> > Our principal source of "inspiration" for designing pop-pop boats that
> > like real steamboats will probably be card stock models that will
> > boilers with shrouds and smokestacks and tubes that extend down
> through the
> > bottoms of hulls rather than back through their sterns. There was a
> > discussion thread in January about a hotter burning fuel in which
> Vance Bass
> > wrote that:
> > "My experience indicates that you don't necessarily want a hotter
> fuel. The
> > problem is that a really hot fire makes it harder to get the cold zone
> > necessary for the condensation part of the pulse cycle. I built a boat
> > a very hot alcohol burner and the thing would not run after a short
> > When I changed the burner to something less aggressive, it ran fine.
> So I
> > think that if you are going to have a really hot burner, you must also
> > pains to have a really effective cool zone. This could be a sump pump
> > evaporator (or) running the tubes into the water and along the
> underside of
> > the boat rather than out the rear transom. regards, -vance-"
> > If you look at the current home page picture, you will understand how
> > could be done by rotating either of the versions so the propulsion
> > would go down, rather than back, and have a 90-degree bend to expel
> > horizontally under the hull.
> > This would also rotate the horseshoe loop to a position over a candle
> > burner inside a shroud that would direct waste heat up through a
> > that any respectable steamboat model would possess.
> > ttfn, old Frank