⚙ Model Engineering in the UK

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5/16-26TPI Thread form?

Hello All, Can anyone enlighten a poor yank about threads in the size of 5/16-26 TPI? This is called out for the piston...
22 comments posted 17yrs
posted by pauls77
22 comments posted 17yrs posted by pauls77

Pinging - Martin Whybrow

Martin I'm trying to get the feed gearbox off the knee of my Elliott mill, can't work out what's holding it once it's o...
12 comments posted 17yrs
posted by Rivet3man
12 comments posted 17yrs posted by Rivet3man

clutch lining rivets

I need to find a source of tubular copper rivets with flat heads for rivetting clutch linings. 3/16" shank, 3/8" long wi...
3 comments posted 17yrs
posted by wells_hall
3 comments posted 17yrs posted by wells_hall

Barrel Honing

I am currently building an IC engine, the barrel is 24mm bore by 50mm long. I need to finish the bore (currently bored...
7 comments posted 17yrs
posted by poundeater
7 comments posted 17yrs posted by poundeater

looking for special washers

Motorcycle wheels - rims are drilled at angles to fit specific hub dimensions. If you get a used rim and it is not matc...
26 comments posted 17yrs
posted by jtayNOSPAMlor
26 comments posted 17yrs posted by jtayNOSPAMlor

Bearing run-in

Got a new home-made bronze bush with a steel shaft in it, well-lubricated, but it's running hot (made two actually, one...
8 comments posted 17yrs
posted by zenadsl6186
8 comments posted 17yrs posted by zenadsl6186

(Slightly OT): Angle grinders.

I know this is not really "model" engineering, but I'm hoping someone can solve a recurring problem I have with 9" angl...
7 comments posted 17yrs
posted by news
7 comments posted 17yrs posted by news

A new concept of flying. How can that be?

A new concept of flying. How can that be? Your concept is interesting. Describe how you would imagine.
0 comments posted 17yrs
posted by YuriyMikhaylovskiy
0 comments posted 17yrs posted by YuriyMikhaylovskiy

Shelf-life of Araldite?

I went to use my trusty Araldite only to find that the tops would not unscrew, and my attempts to do it were twisting u...
5 comments posted 17yrs
posted by no.spam.thank.you
5 comments posted 17yrs posted by no.spam.thank.you

Bevel Gears - Parallel Depth Method (more)

Here is a spreadsheet I built to design bevel gears using the parallel depth method. I've tried a number of combination...
3 comments posted 17yrs
posted by steve.withnell
3 comments posted 17yrs posted by steve.withnell

Reamer reaming oversized

Hi, I have a 5mm reamer that reams holes ever so slightly oversized. Could this be due to the reamer being worn, and th...
23 comments posted 17yrs
posted by paulwilliams.3pymoo
23 comments posted 17yrs posted by paulwilliams.3pymoo

Transport wanted or offered?

I need to get a motor from John S in Nottingham to my place near Southampton. Either is someone is doing all or part of...
7 comments posted 17yrs
posted by nospam
7 comments posted 17yrs posted by nospam

24mm die

Anyone have a 24mm x 2mm pitch die that I can buy/borrow. Need to sort a metric thread and never got round to the metric...
12 comments posted 17yrs
posted by wells_hall
12 comments posted 17yrs posted by wells_hall