PolyTech Forum
Computer-Aided Design and Manufacturing
Solidworks CAD Design software
comp.cad.solidworks- Discussions about Solidworks® CAM software by Dassault Systèmes. Not affiliate...
General Robotics Forum
comp.robotics.miscAll aspects of robots and their applications.
AutoCAD discussions
alt.cad.autocad- Discussions about AutoCAD® - 3D CAD design, drafting, modeling, architectural...
PRO/Engineer (Creo) discussions
comp.cad.pro-engineer- discussions about PRO/Engineer® (now Creo Elements®) CAD system. Not affiliate...
⋐⋒⋐ Computer Numeric Control
alt.machines.cncAll aspects of Computer Numeric Control - machinery as well as software
⧑ Industrial Control Group
sci.engr.controlIndustrial Control engineering and scientific discussions
Engineering and Science
⏚ Electrical Engineering
alt.engineering.electricalElectrical Engineering discussions
⚙ Stationary Engines - UK
uk.rec.engines.stationary- Discussions about stationary engines and generators. Topics related mostly to...
⚗ Polymers Forum
sci.polymers- discussions about the science and properties of polymers (plastics)
International Engineering (BETA)
RC and scale modeling (Polish)
pl.rec.modelarstwo- RC and scale modeling discussions (in Polish)
RC and scale modeling (Italian)
it.hobby.modellismo- RC and scale models discussions (in Italian)
⏚ Electrical Engineering (German)
de.sci.ing.elektrotechnik- Electrical engineering discussions in German
RC and scale modeling (German)
de.rec.modelle.misc- RC and scale model discussions in German.
Engineering Science (Polish)
pl.sci.inzynieria- Engineering science discussions in Polish.
RC and scale modeling (French)
fr.rec.modelisme- RC and scale models, including railroad models (in French)
⏚ Electrical Engineering (French)
fr.sci.electrotechnique- Electrical engineering discussions in French.
⚙ General Engineering Forum (German)
de.sci.ing.misc- General engineering discussions in German.
Metalworking
⚡ Welding Forums
sci.engr.joining.weldingWelding of materials for manufacture & repair.
🔒 Lockmithing and Lockpicking Discussions
alt.locksmithingDiscussions about all matter related to locks and safes
⚒ Blacksmithing - wrought iron and steel discussions
alt.crafts.blacksmithing- Discussions about wrought iron and steel techniques
Metallurgy discussions
sci.engr.metallurgy- discussions about the properties of metals and alloys.
Model Engineering
Scale modeling discussions
rec.models.scale- Discussions about techniques, materials, supplies and other aspects of scale m...
✈ RC aircraft models
rec.models.rc.air- Discussions about RC airplanes and other flying model objects
Model Railroad Forum
rec.models.railroad- Discussions about scale railroad models. All standard scales are represented h...
⚙ Model Engineering in the UK
uk.rec.models.engineeringModel engineering, metal crafts in UK
Model railroading in the UK
uk.rec.models.rail- Discussions about railroad modeling, mostly related to UK topics. All standard...
⚃ Using Lego and compatible building blocks
rec.toys.legoDiscussion of Lego, Duplo (and compatible) toys.
Latest
Seeking information on EXE Surface Grinders – David Billington / Oliver Slocombe
Hello everyone, My name is Libor and I am writing from the Czech Republic. I am...
Boy was I pissed !
FedEx does it again . Got the packages today to fix my mill . Only thing is the...
On/Off light of electrical appliances
Is it legal in USA to have fake on/off light in electrical appliances? Do elect...
fuselage et derives de easystar
Bonjour tout le monde Si le forum n'est pas mort ; j'ai un easy star qui m'a se...
Radio Caroline oder Sendemast auf dem Schiff Ross Revenge
Moin. Die Tage mal wieder Lost Places angeschaut. Da wurde Radio Caroline und s...
Repost, zum Rheinwochen-Wettankern (war Differenzgeschwindigkeitsfahrzeuge)
Ingnatios, hätte Euch das geholfen bei der Rheinwoche? Warsteinig ja mit irgend...
Fils rigide 1mm2
Bonjour à toutes et tous, j'aimerais trouver des fils de câblage rigide type HO...
ze za wyłączanie paneli słonecznych
Z totaliztycznym salutem! > W najbliższych dniach wiele gospodarstw domowych w ...
cmsg rmgroup de.rec.modelle.misc
Please remove de.rec.modelle.misc. Its deletion has passed its CfV on 2026-05-1...
Frequently Asked Questions All FAQs »
Machining Aluminum Dry
First off let me emphasize I firmly believe based on hearsay, direct knowledge,...
tinning steel (2025 Update)
I am making a fuel tank for a reproduction Briggs and Stratton Motor wheel. I i...
Convert TIG/stick to MIG?
Hey - So, I have an AHP 200DX (TIG & stick), but there are times when I wish I...
lathe chuck scroll lube?
The Net abounds with answers to what to use, all different, ranging from way oi...
what epoxy do you use to join delrin parts?
I've got some delrin parts that need joining... what do I use to do it? I heard...
What type of lock would use this key? (2025 Update)
Hi, At the link below is a pic of a key that belonged to my late father. I'm wa...
Best epoxy for High powered rocket building ?
I've been using the West Systems fast epoxy kit and I have been very happy with...
Tool Holders
I am currently researching which tools holders would best suit my needs. The ma...
Tig Torch Recommendations?
Hi, I'm finally tired of having to let the air-cooled torch on my Lincoln SW-17...
Mill or lathe?
This question is probably akin to: "How long is a piece of string?". However, h...
What size plasma cutter?
I am getting a new plasma cutter. I have decided on HyperTherm ONLY. I have a V...
Clear coat on steel
I want to paint bare new steel with a clear coat. The metal needs to be seen in...
Solved Issues All Solved »
Is there anything that keeps molten lead from sticking to metal? (2025 Update)
Need to pour lead into a pendulum bob that has a dummy pendulum rod going throu...
Kitchenaid mixer runs backwards
My brothers Kitchenaid mixer got knocked off the counter and the cord ripped ou...
Problem with Lincoln Ranger 8 - no output
I have the opportunity to purchase a 3 year old Lincoln Ranger 8 welder/generat...
Harrison L5 headstock oil
How much oil do I fill the headstock of a Harrison L5 with? I have a recent aqu...
Delrin and Stainless 1/4 - 20 all-thread question
Greetings All, I'm looking for a ball park, back of the envelope, best guesstim...
Kennedy tool box drawer felt replacement question - how to stretch felt out
I am going to put new 'felt' in the drawers of a Kennedy tool box. I would appr...
lead arsenic alloy - where a person might get a single ingot or a few pounds?
I'm trying to find a source for some lead-arsenic alloy. I want to use a lead-a...
Filling a shell
I have a rather shapely part that is shelled out .030 thick. Now, I need to crea...
Flatten Spline
I need to be able to flatten an extrusion defined by a spline. This will be use...
Security Mfg Corp key blan k
One of my customers wanted a duplicate mailbox key but I couldn't find a blank...
Stuck Medeco lock - what to do?
Luckily, the key isn't stuck in it. I can lock or unlock it from the inside, wh...
Can't remove key from re-keyed deadbolt
I'm installing new locks and deadbolts on a house. I bought Schlage locks at ho...