In the year 2027... [MEM competition/challenge - should we have one?] Sticky

Started by admin · 44 replies · 12,010 views

crueby
Reply #15 · 23 Dec 2025, 13:09
In the RC sailboat world, they have a class of boats called the 'footies' where all the parts have to fit (with mast off the hull) in a one foot cube. You could do the MEM-1-2-3 Challenge where the engine would have to fit in the space of a 1-2-3 block, 1"x2"x3", maybe?
Vixen
Reply #16 · 23 Dec 2025, 13:31
Quote from: AdeVAs a PS... I've been thinking of this more as a challenge than a competition... although there would be some judging & winner(s): But I'd like to think that we can come up with something where the taking part is more rewarding than the actual winning... Is that even possible? I don't know... but here's hoping!  :ThumbsUp:


Ade
It occurs to me that we can beak this down into two separate parts.

The Challenge would be to design something revolutionary, innovative, creative or even wild; based on a simple (wide open to interpretation) design requirement such as "Beam engine with double acting cylinder". This would allow our creative juices to flow and should generate some amusing entries/ contributions.

The Competition would be to make a good looking working version, based on the same simple design requirement.

Personally, I would enjoy having a go at the above design Challenge but not the making part. I do not have any manual machines in the workshop and not made an air/ steam engine in the last 40+ years. I also echo AVTUR's thoughts; I would prefer to use my workshop time on my main projects.

Agreed, a lifetime membership of MEM would be a suitable reward :ROFL:

Happy Christmas

Mike
vtsteam
Reply #17 · 23 Dec 2025, 14:55
A consideration for me at least, materials should be inexpensive and readily available. I once suggested a competition with the only requirements being the engine must be made from only plumbing pipe or fittings and nails and bolts. This kind of thing fosters creativity, a wide range of expression, makes it generally accessible to different levels of skill, creates a fun atmosphere, and keeps cost within reason. The second part of that was judging was by all registered users in the form of a poll, so no onus fell upon any particular judge or set of preferences.

I think it worked out well, and it could be done again here, if desired, or something similar.
PaulR
Reply #18 · 23 Dec 2025, 15:39
Quote from: vtsteamA consideration for me at least, materials should be inexpensive and readily available. I once suggested a competition with the only requirements being the engine must be made from only plumbing pipe or fittings and nails and bolts. This kind of thing fosters creativity, a wide range of expression, makes it generally accessible to different levels of skill, creates a fun atmosphere, and keeps cost within reason. The second part of that was judging was by all registered users in the form of a poll, so no onus fell upon any particular judge or set of preferences.

I think it worked out well, and it could be done again here, if desired, or something similar.

Yep, this is the sort of thing I was thinking of. Or maybe any materials but hand tools only (gasp!  :Lol:)
crueby
Reply #19 · 23 Dec 2025, 15:46
Quote from: PaulR
Quote from: vtsteamA consideration for me at least, materials should be inexpensive and readily available. I once suggested a competition with the only requirements being the engine must be made from only plumbing pipe or fittings and nails and bolts. This kind of thing fosters creativity, a wide range of expression, makes it generally accessible to different levels of skill, creates a fun atmosphere, and keeps cost within reason. The second part of that was judging was by all registered users in the form of a poll, so no onus fell upon any particular judge or set of preferences.

I think it worked out well, and it could be done again here, if desired, or something similar.

Yep, this is the sort of thing I was thinking of. Or maybe any materials but hand tools only (gasp!  :Lol: )

Hand tools only...    :paranoia:    Okay, starting that 2" cylinder bore with a hand drill, a 1/4" bit, and a file...  :insane:
:Jester:
PaulR
Reply #20 · 23 Dec 2025, 16:37
Quote from: crueby
Quote from: PaulR
Quote from: vtsteamA consideration for me at least, materials should be inexpensive and readily available. I once suggested a competition with the only requirements being the engine must be made from only plumbing pipe or fittings and nails and bolts. This kind of thing fosters creativity, a wide range of expression, makes it generally accessible to different levels of skill, creates a fun atmosphere, and keeps cost within reason. The second part of that was judging was by all registered users in the form of a poll, so no onus fell upon any particular judge or set of preferences.

I think it worked out well, and it could be done again here, if desired, or something similar.

Yep, this is the sort of thing I was thinking of. Or maybe any materials but hand tools only (gasp!  :Lol: )

Hand tools only...    :paranoia:    Okay, starting that 2" cylinder bore with a hand drill, a 1/4" bit, and a file...  :insane:
:Jester:

:lolb: you know you want to  :lolb:
vtsteam
Reply #21 · 23 Dec 2025, 16:45
Heh, that would level the playing field! :popcorn:

Actually the only power tool I used to build my first lathe (a Gingery) was a small old wonky pillar drill. All the rest was hand tools, up to the point it could turn stuff itself. It was about half dozen years after that before I owned a mill. It's kind of cool to read the old model engineering books and see what they were capable of without much more than a lathe with faceplate, and files and scrapers. They used a lot of wood for fixturing, and built some amazing engines.
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PaulR
Reply #22 · 23 Dec 2025, 17:00
Quote from: vtsteamHeh, that would level the playing field! :popcorn:

Actually the only power tool I used to build my first lathe (a Gingery) was a small old wonky pillar drill. All the rest was hand tools, up to the point it could turn stuff itself. It was about half dozen years after that before I owned a mill. It's kind of cool to read the old model engineering books and see what they were capable of without much more than a lathe with faceplate, and files and scrapers. They used a lot of wood for fixturing, and built some amazing engines.

That's a nice compact machine!
bent
Reply #23 · 23 Dec 2025, 17:07
As I will be officially retired as of 01 Jan 2026, yes I might be tempted to add a MEMS Challenge engine build project to my pile of other projects... :embarassed:
Vixen
Reply #24 · 23 Dec 2025, 18:02
Maryak    that would be nice, Bob would like that.
Gets my vote
Mike
Last edit: 23 Dec 2025, 22:05 by Vixen
crueby
Reply #27 · 23 Dec 2025, 19:40
Quote from: JoHe (Bob) designed the original MEM model engine  8)

Jo

Ah!  Thanks!
Art K
Reply #28 · 24 Dec 2025, 02:44
This is sounding way to complicated. Most of the thoughts so far exclude me. I do have a manual lathe but CNC mill. I'm not creative enough to make something out of nails, screws and pipe. I do though have castings for a 1/6 scale Galloway and a Speed King steam engine. It would push me to have it done in a year. I'd be happy to be a judge though.
Art
Niels Abildgaard
Reply #29 · 24 Dec 2025, 08:55
Hot air fans once ran a competion on fuel efficiency
For IC engines ,rules could be :
How little fuel to make 250 Wh over 15 minutes where power level shall be within 1000 W plus minus 100W.
No batteries ,supercondensors etc allowed.
My first try will be a 26mm bore 40mm stroke two stroke with 6000 rpm.Load can be a calibrated Eiffel test bar.
Last edit: 24 Dec 2025, 09:32 by Niels Abildgaard

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