Search found 1825 matches

by John Hasler
Sun Nov 07, 2021 7:25 am
Forum: 3-in-1 Metalworking Machines
Topic: turning cast iron
Replies: 9
Views: 13056

Re: turning cast iron

Rig up a vacuum. It won't get everything but it cuts down the mess a lot.
by John Hasler
Thu Nov 04, 2021 7:49 am
Forum: Casting & Foundry Work
Topic: Legality of owning a personal foundry.
Replies: 33
Views: 25233

Re: Legality of owning a personal foundry.

A propane furnace for melting aluminum need not use forced air so there need not be a significant amount of noise.
by John Hasler
Tue Nov 02, 2021 8:02 am
Forum: Casting & Foundry Work
Topic: Legality of owning a personal foundry.
Replies: 33
Views: 25233

Re: Legality of owning a personal foundry.

Definitions of open burning: the burning of a bonfire, vegetation debris fire or other fire in an outdoor location where fuel burned is not contained in an incinerator, outdoor fireplace, barbecue grill or barbecue pit. Open burning is defined as a fire where any material is burned on the ground or ...
by John Hasler
Mon Nov 01, 2021 8:06 am
Forum: Casting & Foundry Work
Topic: Legality of owning a personal foundry.
Replies: 33
Views: 25233

Re: Legality of owning a personal foundry.

Make it look like a barbecue.
by John Hasler
Sun Oct 31, 2021 10:32 pm
Forum: Casting & Foundry Work
Topic: Legality of owning a personal foundry.
Replies: 33
Views: 25233

Re: Legality of owning a personal foundry.

I doubt that even New York is that oppressive.
by John Hasler
Sat Oct 30, 2021 10:00 pm
Forum: General Discussion
Topic: DRO Questions.
Replies: 9
Views: 3813

Re: DRO Questions.

Pete writes: And if you have a 3 axis set up, that axis summing with the top slide won't be absolutely perfect to 10ths for that summing number because it's pretty hard to set the top slide to a known perfect angle. For most purposes it will be close enough to not matter. Cut a taper and calculate t...
by John Hasler
Mon Oct 25, 2021 8:22 am
Forum: Milling Machines
Topic: Rattle in my milling machine quill
Replies: 10
Views: 8778

Re: Rattle in my milling machine quill

My Avey has a splined shaft that tends to clatter (60 or 70 years of wear will do that.) My solution is to pack it with heavy grease. First make sure that's what it is, of course.
by John Hasler
Fri Oct 22, 2021 7:29 pm
Forum: Live Steam
Topic: Mystery thread pitch on waterglass drain stem
Replies: 14
Views: 7237

Re: Mystery thread pitch on waterglass drain stem

Do you have a 1-72 die to chase the stem threads with?
by John Hasler
Wed Oct 13, 2021 6:10 pm
Forum: Live Steam
Topic: Steam turbine generator
Replies: 169
Views: 120174

Re: Steam turbine generator

> I also have some 4 amp diodes, but they are considerable larger.
> I may be able to fit the small ones into the case but I'm doubtful that the larger ones will fit.

Look at surface mount components. Example:
https://www.digikey.com/en/products/det ... TP/2642031
by John Hasler
Wed Sep 22, 2021 10:16 am
Forum: Riding Scale Railroading
Topic: Cement ties
Replies: 86
Views: 70493

Re: Cement ties

Fiber reinforcement is quite different from shredded plastic.
by John Hasler
Thu Sep 09, 2021 9:03 am
Forum: Live Steam
Topic: Gasket Material
Replies: 26
Views: 14282

Re: Gasket Material

> ...gaskets, are a thing of past

Tell that to my old tractors.
by John Hasler
Mon Sep 06, 2021 8:08 am
Forum: General Discussion
Topic: Need help identifying a joint
Replies: 12
Views: 5575

Re: Need help identifying a joint

No need for a clutch. Assuming that the shaft already has a spring return the shaft needs to be coupled to the cylinder by a pin-in-slot mechanism such that the shaft can turn at least 90 degrees without moving the cylinder when the solenoid pulls on the cable. When it releases the spring rotates th...