Search found 35 matches

by Ramón
Mon Apr 15, 2019 1:24 pm
Forum: Technical - Engines and Boilers
Topic: Opposed Piston Engine Project - The Steam Version
Replies: 35
Views: 1564

Re: Opposed Piston Engine Project - The Steam Version

The idea with the one-piece crankcase definitely sounds like the sturdier solution. The only problem is that the crankshafts I am using have one-piece con rods, which I couldn't detach from the crankshaft. (Maybe that is why you are suggesting a bigger size of the crankcase - to have enough space to...
by Ramón
Thu Mar 14, 2019 7:28 pm
Forum: Technical - Engines and Boilers
Topic: digital steam engine indicator
Replies: 62
Views: 28920

Re: digital steam engine indicator

TahoeSteam wrote:
Fri Mar 08, 2019 5:04 am
I know I would love to have one. Especially something mated with a user-friendly (read near-luddite) graphing software.
Well, we are sitting in the same boat there:) I ALWAYS wanted to evade IT stuff. Now, am sitting next to an arduino:)
by Ramón
Tue Mar 12, 2019 3:30 pm
Forum: Technical - Engines and Boilers
Topic: digital steam engine indicator
Replies: 62
Views: 28920

Re: digital steam engine indicator

Your considerations made me look deeper into the rotary encoder and it looks very well. I was more inclined to a linear solution to reduce the programming, but maybe I could try the rotary solution. It both has pro's and con's. A linear sensor could automatically determine the piston stroke and does...
by Ramón
Fri Mar 08, 2019 8:16 pm
Forum: Technical - Engines and Boilers
Topic: Opposed Piston Engine Project - The Steam Version
Replies: 35
Views: 1564

Re: Opposed Piston Engine Project - The Steam Version

I will definitely show many pictures here. I promise you that :) Now, I tested the PWM module with the washing machine motor for my lathe and everything is working as hoped. So, I can get busy, soon. Actually, I pondered about the lubrication issue a lot. The bottom crankcase won't be any problem wi...
by Ramón
Wed Mar 06, 2019 1:17 pm
Forum: Technical - Engines and Boilers
Topic: digital steam engine indicator
Replies: 62
Views: 28920

Re: digital steam engine indicator

I was originally not so much into this indicator and just had an idea to give, but I found myself caught by it. Now, I am communicating on some arduino forums for its realizability. I actually found a way to messure the piston position. There are linear position sensors for cnc mills and lathes. The...
by Ramón
Tue Mar 05, 2019 9:28 pm
Forum: Technical - Engines and Boilers
Topic: Opposed Piston Engine Project - The Steam Version
Replies: 35
Views: 1564

Re: Opposed Piston Engine Project - The Steam Version

Hello, Thank you for being interested. The construction is in its heat. I will definitely load up fotos sooner or later. But to let you know about its progress, I am sawing out all the pieces for the engine. Right now, I don't have any power-tool-means of doing it. So, I saw one piece every time I g...
by Ramón
Sun Feb 03, 2019 5:31 pm
Forum: Technical - Engines and Boilers
Topic: digital steam engine indicator
Replies: 62
Views: 28920

Re: digital steam engine indicator

Digging up this interesting, yet unfinished thread, a spontaneous idea came in my mind. For me, an old-scool indicator would be enough, but maybe someone is still interested to one day put one together. There seemed to be some confusion if the crank rotation or the piston movement is better suited f...
by Ramón
Sun Feb 03, 2019 5:04 pm
Forum: Technical - Engines and Boilers
Topic: What water speed do you work with in monotube boilers?
Replies: 5
Views: 360

Re: What water speed do you work with in monotube boilers?

I suspected the slug flow, annular flow and dispersed bubble flow, but in no way would I've thought it might be that complex.The scientist in me wants to calculate all the conditions of the medium throughout the system. But before I sink into theoretical spheres all too deeply, I'll stick with a bas...
by Ramón
Thu Jan 31, 2019 11:46 am
Forum: Technical - Engines and Boilers
Topic: What water speed do you work with in monotube boilers?
Replies: 5
Views: 360

Re: What water speed do you work with in monotube boilers?

I see I used a word ambiguously: I wanted to pose this question for all boilers labeled as LaMont/flash/once-or-more-through/forced-circulation/monotube as long as they don't possess any drums. These books seem promising. As a student, I can get my hands on fairily rare books :idea: Yes, some means ...
by Ramón
Thu Jan 31, 2019 9:38 am
Forum: Technical - Engines and Boilers
Topic: Ideas to fasten gear wheels to shafts
Replies: 6
Views: 434

Re: Ideas to fasten gear wheels to shafts

Thanks for your contribution, too. I remember now seeing this alternative to key-way-cutting and I asked myself if this would really be sufficent to prevent a crankshaft from twisting - or more accurately spoken: from the crank pin to slip on a sub-degree-level, that would already cause a misalignme...