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41
Machine Tools, Machining, and Toolmaking / Re: Sieg SX1P mystery
« Last post by rodnoc on March 05, 2026, 03:12:00 am »
Bevels, yes, I think so, too.  With some applied attention I could make a conversion, but it is my hope to keep the little machine all OEM.

Sieg told me to contact dealers for details and dealers have said to contact Sieg.   :-\

Thank you, Scorpion2nz, for the reply.
42
General Discussion - Scale Model Gas Engines - Hit & Miss - Throttle Governed - Non-Compression – etc / Re: About the B02 ENGINE SEND
« Last post by Jim on March 05, 2026, 02:40:46 am »
@JinMachine

Jin the BO2 is such an excellent engine!!!!!

I hope you and your family had a wonderful Chinese New Year and enjoyed your holiday.
43
Machine Tools, Machining, and Toolmaking / Re: Sieg SX1P mystery
« Last post by Scorpion2nz on March 04, 2026, 11:39:29 pm »
If it is  anything like the bigger mills from same factory then the side wheel at top 0f column is probally utilising bevel gears
44
Machine Tools, Machining, and Toolmaking / Sieg SX1P mystery
« Last post by rodnoc on March 04, 2026, 07:34:49 pm »
The two mini-mills below are the SX1P made by Sieg in China.  The red one is from a supplier in Australia, the grey from a German supplier.  Both machines stand out because they have the z-axis hand-wheel mounted on the side of the column instead of on top like the standard SX1P.  It has been confirmed that the side-wheel is a Sieg factory upgrade.  

I've been trying to get a closer look at the wheel mechanism but much net surfing has not found any photos.  The owner's manuals I've seen for these modified machines do not show the side-wheel mechanism in the assembly drawing or parts list.  Sieg and the two vendors have not offered any information.

So, I'm reaching out hoping someone has this mill and can help.




45
General Discussion - Model & Toy Steam Engines – Stirling Cycle – Flame Lickers – Small Antique Originals / Re: Retrol SE-03
« Last post by komet163b on March 03, 2026, 07:01:38 pm »
  I just looked at the instructions, step 9.
The illustration shows the eccentric and an
allen screw used as a set screw.  That set screw
appears to be aimed at the flat of the flywheel
shaft.  An inset drawing in the illustration for
step 12 shows the eccentric placement relative to
other parts placed on the flywheel shaft.  Any
problems there? 

  Also, is it possible the eccentric/arm/slide-valve
are not assembled correctly?  The longish flat notch
in the slide valve should face the cylinder.  If not...

IMHO,
Wayne
 
 
46
General Discussion - Model & Toy Steam Engines – Stirling Cycle – Flame Lickers – Small Antique Originals / Re: Retrol SE-03
« Last post by Jim on March 03, 2026, 05:35:22 pm »
Charles, take all the connections apart again and just double check that one of those very small white O rings isn't folded over or somehow blocking the steam flow.
It's a shame you are having a problem, it's the first I've read of a problem like this with the SE-03.
47
General Discussion - Scale Model Gas Engines - Hit & Miss - Throttle Governed - Non-Compression – etc / Re: Parcell and Weed Vertical Air Cooled Engine completed
« Last post by crazydoug on March 03, 2026, 06:32:54 am »
I built the horiz model- it was the most difficult build so far. Congrats on a fine job.
One thing that i thought made it more difficult was that the bluprints were for both the horiz and vertical and you had to constantly sort which one you were building. A seperate set of bluprints for each version would have helped a lot!
48
General Discussion - Model & Toy Steam Engines – Stirling Cycle – Flame Lickers – Small Antique Originals / Re: Retrol SE-03
« Last post by clongfellow on March 03, 2026, 05:51:30 am »
The hand sanitizer works very well and the boiler reached full pressure quickly.  I did wait until the pressure relief valve began to spit, opened the steam valve and gave the flywheel a spin.  It's still wants to run but fails to maintain momentum.  I'm satisfied an adjustment is needed, I just don't know what that is.

Thank you all for your advice.
Charles
49
General Discussion - Model & Toy Steam Engines – Stirling Cycle – Flame Lickers – Small Antique Originals / Re: Retrol SE-03
« Last post by clongfellow on March 02, 2026, 05:34:17 pm »
Thank you very much, I'll give it a try this evening.
Charles
50
General Discussion - Model & Toy Steam Engines – Stirling Cycle – Flame Lickers – Small Antique Originals / Re: Retrol SE-03
« Last post by Jim on March 02, 2026, 05:04:52 pm »
Hand sanitizer is the easiest and optimal fuel for SE-03 -

https://www.youtube.com/watch?v=arsYTfAu140&t
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