[modeleng] Re: Boilers
- From: Allen Messer <al_messer@xxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Sat, 7 Jan 2006 05:34:36 -0800 (PST)
"...ready to give you a hand..."
THAT'S what I really like about this list--a;ways
ready to lend a hand, unlike some other lists that are
more than too willing to give you a kick! Thanks,
Ian, and all you other gents for your input.
Al Messer
--- Pendragon <idpriest@xxxxxxxxxxxxxxxx> wrote:
> Dave,
>
> A couple of things,
>
> I designed a modified boiler for a friends super
> simplex, you are =
> welcome to
> a copy of the drawing if you wish. The boiler ends
> up the same size but =
> the
> barrel / throat plate joint is made easier together
> with an increase in
> water flow around the firebox sides.
>
> Secondly no one has mentioned over heating the
> copper when silver =
> soldering,
> many people get the copper too hot, my advice is to
> do your silver
> soldering outside at dusk [or dawn] at which time
> you will be able to =
> see
> the temperature colour more easily. I believe that
> many people overheat =
> the
> copper and do not let the heat soak through the
> whole joint, this =
> results in
> the spelter not running so they then crank up the
> heat and destroy the =
> flux.
>
> The correct temperature for easiflow will be seen
> when the flux turns to =
> a
> pinkish coloured liquidand your solder will then fow
> easily throughout =
> the
> joint.
>
> Don't get your torch too close either as this will
> tend to burn the flux
> resting on the surface of the joint.
>
> I always use a propane torch to give some background
> heat but then use =
> the
> actylene to braze locally, I always JM Tenacity flux
> which is more =
> expensive
> than the ordinary easiflow stuff but it does have a
> higher teperature
> working range.
>
> Another point to consider is, are there any local
> colleges or evening
> classes who could help out.
>
> I live in the Kingswinford area of the West
> Midlands, if that's not too =
> far
> away I'd be happy to give you a hand.
>
> Regards IP
>
>
>
> "Life should NOT be a journey to the grave with the
> intention of =
> arriving
> safely in an attractive and well preserved body, but
> rather to skid in
> sideways, Champagne in one hand - strawberries in
> the other,=20
> body thoroughly used up, totally worn out and
> screaming WOO HOO - What a
> Ride!"=20
> =20
> "Never drive faster than your gaurdian angel can
> fly"
> =20
> Priest & Sons Model Engineers
> http://www.kinvermes.pwp.blueyonder.co.uk/p1.htm
>
>
>
> MODEL ENGINEERING DISCUSSION LIST.
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