[Steam-engine] hobby boilers

[Ken Majeski]

I would geuss that they started stamping some Boilers with the ASME Clover 
leaf as early as late 15 or early 16. My 40 Case ( 1916 ) Is ASME. Not all 
boilers constructed according to the ASME code were stamped as such. Here in 
Wisconsin they will not recognise a Boiler as ASME unless it has a Good 
Clover leaf stamp or the original paperwork proving it. I would geuss about 
90 % of operating traction engines with original boilers are Non ASME.

Many boilers made as late as the end of traction engine production were Not 
ASME. For example the Case 60 and 75 HP boilers as they were lap seam and 
made untill 1924 or thereabouts. According to original Case literature they 
would pass the canadian rules and could be used in all states for 
agricultural purposes.

My 24 Minnie ( 1920 ) is considered Non ASME because I can not find any 
clover leaf stamp. I have cleaned and looked all over and it is not to be 
found. I have original catalogs stating ASME construction but they will Not 
buy that. It is Butt Strap construction and has all the through stays ect 
required and is made of the proper material ( 55,000 tensil strength ).

We do / did have what they called the Wisconsin special for Scale models. 
There are many of these around. It is getting very dificult to get these 
approved and inspected. If anyone has one of these be sure to keep your 
inspection current as once they are out of the system it will be almost 
imposible to get them approved...

With the implementation of new rules requiring UT testing every 5 years 
there has been a Lot of Derating as far as operating pressure is concerened. 
I hear of a Lot of shows getting their insurance canceled because their Ins. 
Co. don't like Steam Engines anymore...



Ken Majeski, Ellsworth Wis. Case Steam Engine, Minneapolis Steam Engine, 
Rumely Oilpulls H, F, & R. Website, Http://www.pressenter.com/~kmajeski/





>From: travis brown <tbkeck at yahoo.com>
>Reply-To: Steam-engine mailing list 
><steam-engine at lists.stationary-engine.com>
>To: steam-engine at lists.stationary-engine.com
>Subject: [Steam-engine] hobby boilers
>Date: Sun, 3 Oct 2004 08:08:05 -0700 (PDT)
>
>As a newcomer to the group, I was researching an old thread and would like 
>to offer a few questions/comments.
>
>It would seem that when it comes to the area of boilers for steam traction 
>engines there are actually three clasifications one could divide these 
>boilers into, according to the categories the boiler inspectors regard 
>these as.
>
>1)  The original boilers on steam traction engines produced by the 
>factories.  These are often called "historic" boilers and these seem to be 
>the category Morris Snow was focusing on.
>
>2)  "New" ASME code boilers.  If used on a steam traction engine for 
>exhibtion purposes(And who isn't) these are classified as hobby boilers by 
>many jurisdictions.  I use the term new loosely as it could encapsulate a 
>whole range of years, but mainly is made up of the new era of construction, 
>with modern techniques and materials.
>
>3)  non-code boilers.  Mainly these are on scale models, but could be on a 
>whole variety of steam operated devices.  In my research, the majority of 
>these are welded constrcution and as described in the other categories, are 
>used for exhibition purposes.  I own one of this category.
>
>Now for a couple of questions.  I am researching how many states allow the 
>use of scale model engines with non-code boilers.  I would like to know if 
>any members have information along those lines, as simply researching state 
>regulations is not sufficient.  Also, I have unable to document any 
>incident of any such boiler ever suffering a major failure that resulted in 
>injuries.  If anyone has knowledge to the contrary, I would appreciate 
>hearing of it.  Thanks
>
>tb
>
>
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