Welcome to Online Community for Engineers and Metalworking Enthusiasts

Some of our best rated resources

Have a question or want to start a discussion? Post it! No Registration Necessary

PolyTechForum.com website provides free, on-the-go reading and posting access to 32 Usenet discussion groups, completely anonymously and without requiring registration.

Metalworking

Water For Coolant

posted on 04-18-2021

At no time since I have started using water soluble coolant have I used tap water. I am on a private well here and have modest to high dissolved solids. I was buying 20-50 gallons at a time fro... read more »

Project Management for Business, Engineering, and Technology Principles and Practice 3RD EDITION

posted on 04-18-2021

hi hope you are well, could i please get a solution manual for Project Management for Business, Engineering, and Technology Principles and Practice 3RD EDITION read more »

anvil

posted on 03-21-2021

Hi have started to fix a anvil , can't find any marking but a 15 raised on it . can't find out what kind of anvil it is. read more »

Is this a forum where I can ask questions about steel metallurgy?

posted on 02-01-2019

I am a retired chemist and amateur blacksmith. My actual knowledge of stee l metallurgy is minimal, but I'm now reading up on the subject. I always f ind it useful to ask questions of those who k... read more »

Fanuc CNC (F & G) I/O signals

posted on 03-19-2021

Hello everyone Hope all are fine doing well, I am trying to search F and G signals mannu al or list for Fanuc controller but I can't find it on the internet what ca n I find is one information ... read more »

Engineering and Science

Electric Machinery Seventh Edition by Stephen solution

posted on 03-15-2021

I need to free solution pdf link , if anyone would like to help me contract my email. I will be thankful for this solving problem. read more »

Hawker Siddeley / Electric Construction Schematics

posted on 10-17-2020

I don?t know if anyone can point me in the right direction. We have a 1983 Lister ST1 engine with a Electric Construction Limited / Hawker Siddeley generator. The latter needs some TLC and we?re look... read more »

CFM Rating

posted on 08-21-2020

Does anyone know how to locate the CFM rating of Maytag Dryer model MED8630HW? read more »

What is polyethylene foam?

posted on 12-18-2019

Polyethylene foam is a durable, lightweight, resilient, closed-cell materia l. It is often used for packaging fragile goods due to its excellent vibrat ion dampening and insulation properties. It a... read more »

PVC Plastic Film Glue

posted on 09-24-2020

Can I use 30% ethyl acetate & 70% MEK to make glue for PVC Plastic film? read more »

Computer-Aided Design and Manufacturing

Cannot make 2 planar end faces to cap the side sheet

posted on 03-12-2021

I would appreciate any advise solving this problem: Cannot make 2 planar end faces to cap the side sheet . Thank you. https://www.polytechforum.com/img/73 https://www.polytechforum.com/img/74 read more »

Spel 80M for SRC200 robot controller

posted on 12-26-2020

Does anyone here has a copy of Spel 80m software? Thank you read more »

Knock Knock

posted on 12-09-2020

anyone lurking or is this newsgroup literally a ghost town? does the group even propagate? -- boldmetalist@sdf.org SDF Public Access UNIX System - https://sdf.org read more »

Help to get started on project (Case trimmer)

posted on 05-20-2020

Hi All I'm new here, but not new to CAD, just very (VERY) rusty I want to create a 3D drawing of a Case Trimmer, Case Length Gauge & Shell Holder I can draw this in 2D without too much effort, b... read more »

Walter Dreiger

posted on 06-06-2020

It has been a while since I partook here, but I had to do this to impart so me sad news. One of this groups former contributors, has sadly passed away. I for one ha ve fond memories of the advice,... read more »

I tried to Export the assembly from ProE Intralink workspace to Disk. But I got a message showing "An error occured on Import/Export." Do anyone help me to resolve this ?

posted on 07-28-2017

Even I check the all dependencies everything looks good. All the sub components are exported with out any error. But Every time when i tried to export the assembly file , I get this message. read more »

Model Engineering

F-8E Crusader French Special 1/48 instructions for Hasegawa

posted on 02-09-2020

My son gave me one but without the instructions... Can someone help? Thanks. read more »

Estes A8 engines thrust curve change?

posted on 02-02-2021

Does anyone know if Estes changed the thrust curve of the A8 engines? A tech doc from the 70's shows only a spike for boost. Today's website shows a spike followed by a flatter sustaining thrust... read more »

Double E

posted on 04-20-2021

I am a 76 year old ex-Brooklyn resident who rode ?the double E? ?? a thousand times in my youth. 1 branch of the NYC transit system is called the IND (Independent) line. The express trains were t... read more »

Nitrazepam for sale, Nitrazepam for sale uk - buy nitrazepam online

posted on 06-08-2020

Email......macnickson6@gmail.com WhatsApp ME.... 237698668581 Telegram.... 1 (970) 343-4704 Wickr ID: leediaz Buy Mogadon online uk, Buy Nitrazepam online 5mg uk, buy nitrazepam uk, mog adon f... read more »

Proctor Antic Bipe

posted on 06-02-2020

I recently completed a Proctor Antic Bipe. What a beautiful kit to build and fly. Photos here: http://mhmyers.com/antic/antic.html -- m-m www.mhmyers.com read more »

Sandpaper woes

posted on 03-25-2021

I have quite a lot of sandpaper, including some expensive stuff, and it is getting a little tatty. I thought I should buy something to keep it in, so I bought some not-so-cheap Really Useful boxe... read more »

Jacob Sparre Andersen has passed away

posted on 12-17-2018

I have been asked to announce to this group that Jacob Sparre Andersen has passed away from stomach cancer on Sunday 16th of December 2018. Jacob was admitted to hospital only a month ago, and des... read more »

Fight the coronavirus 100% and save LOTS of CASH -- Combattez le coronavirus 100% et conomisez BEAUCOUP d'ARGENT

posted on 03-28-2020

Protect yourself and your loved ones ! KILL the coronavirus right now ! And save LOTS OF CASH New tested, scientificly proven and amazing antivirus against coronavirus using Chloroquine and Colchi... read more »

International Engineering (BETA)

Preisunterschied Unterputz-Steckdosen mit USB?

posted on 04-07-2021

und festgestellt, dass es da ziemlich krasse Preisunterschiede gibt. Zwischen 6,99 und 63,99 mit zwei USB-Dosen. Was steckt dahinter? Was kann man ruhigen Gewissens kaufen und was nicht? -- Serv... read more »

[MANIFESTO] it.hobby.modellismo

posted on 04-06-2021

In fondo a questo articolo, inviato automaticamente ogni mese, troverai il manifesto di questo newsgroup (it.hobby.modellismo). . Tieni presente che esistono anche questi newsgroup it.test ... read more »

ABS kleben / Bondic

posted on 01-06-2021

Hallo NG! Die Nichte und der Neffe haben's kaputt gespielt, der Onkel darf's wieder reparieren... ;-) Konkret geht es um ein Also schon mal nicht besonders prickelnd zu kleben. Als Kleber dami... read more »

Fundamentals of Renewable Energy

posted on 03-10-2021

Can you send me the solutions manuals for Fundamentals and Applications of Renewable Energy 1st Edition read more »

[Trains][H0] Questions marques locomotives

posted on 04-19-2021

Bonjour. avec la BB22200) et En Voyage), que : comme un doute. inhabituel en France (y a tellement de gris sur les routes et sur les rails...). loco de la SNCF !! Donc, quid ? Que vaut la Jou... read more »

[Charte] fr.sci.electrotechnique

posted on 04-02-2021

Archive-Name: fr/chartes/sci.electrotechnique Bonjour, 28 novembre 1999. =============== CHARTE DU FORUM ============&# read more »

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.