Search found 775 matches

by Lew Hartswick
Wed Mar 13, 2024 7:30 am
Forum: General Discussion
Topic: Waste not, want not...
Replies: 17
Views: 638

Re: Waste not, want not...

:-) Vernier vs Dial caliper; If there is no gears there won't be any backlash . :-)
...lew...
by Lew Hartswick
Fri Mar 08, 2024 10:28 am
Forum: General Discussion
Topic: Boring on the lathe
Replies: 23
Views: 680

Re: Boring on the lathe

Depends on what sort of grinder you are going to use to sharpen it.
...lew...
by Lew Hartswick
Mon Feb 19, 2024 9:40 am
Forum: General Discussion
Topic: Drilling holes in brass, should I pilot hole?
Replies: 17
Views: 1135

Re: Drilling holes in brass, should I pilot hole?

:-)
Dubbing: A dressing of flour and water used by weavers; Also a mixture of oil and tallow for dressing leather. The material tied to a fish hook in making an artificial fly.

+ a lot of interesting meanings of the word "Dub"
by Lew Hartswick
Wed Jan 31, 2024 8:51 am
Forum: General Discussion
Topic: Drilling holes in brass, should I pilot hole?
Replies: 17
Views: 1135

Re: Drilling holes in brass, should I pilot hole?

SteveM: I like your more accurate description of the proper drill edge. Thanks for posting. RussN Yes! I hate to hear (or read) this "Dull the drill" bit . A DULL drill is LAST thing you need. If folks don't understand that they have no business advising anyone. :-) Rake and clearance ang...
by Lew Hartswick
Fri Jan 26, 2024 8:11 am
Forum: General Discussion
Topic: A question about engineering drawings....
Replies: 44
Views: 1600

Re: A question about engineering drawings....

:=) I use a board with a sliding parallel and a pencil
...lew...
by Lew Hartswick
Mon Dec 18, 2023 8:47 am
Forum: General Discussion
Topic: Best tap for hard steel.
Replies: 20
Views: 28773

Re: Best tap for hard steel.

guy I knew in the 1970s, who was a couple of years younger than me, insisted that exercising for 30 minutes each day would enable him to live into his nineties.

:-) I do 30 to 40 min 5 days a week and am 91+ so maybe it works. :-)
...lew...
by Lew Hartswick
Thu Dec 07, 2023 8:42 am
Forum: General Discussion
Topic: HF T5980
Replies: 3
Views: 949

Re: HF T5980

Sounds like you have it figured out. :-)
...lew...
by Lew Hartswick
Fri Nov 17, 2023 8:41 am
Forum: General Discussion
Topic: Foundry flasks
Replies: 26
Views: 16925

Re: Foundry flasks

I'm disappointed in the "Matching" marks you used though. :-)
...lew...
by Lew Hartswick
Thu Nov 16, 2023 8:46 am
Forum: General Discussion
Topic: Foundry flasks
Replies: 26
Views: 16925

Re: Foundry flasks

:-) < Every occupation has their own lingo and for someone that doesn't know the occupation, some terms can be quite confusing.>:-) Yea tell me about it, when these computer nerds start discussing the architecture of the latest version. :-) The real problem with some of these discussions is the use ...
by Lew Hartswick
Wed Nov 15, 2023 9:45 am
Forum: General Discussion
Topic: Foundry flasks
Replies: 26
Views: 16925

Re: Foundry flasks

It's a bit hard to imagine folks that don't know these things. :-) The last time I actually did them was 9th grade, 1946, but have seen it being done a bit more recently. :-) Good description. :-)
...lew...
by Lew Hartswick
Mon Oct 30, 2023 7:09 am
Forum: General Discussion
Topic: cutting the column on a drill press - how much to cut?
Replies: 57
Views: 18440

Re: cutting the column on a drill press - how much to cut?

I've found that most people that have made up their mind before asking questions seldom change their mind. All we can do is write a nice sounding Obituary to help the survivors handle the event.
...lew...
by Lew Hartswick
Fri Oct 13, 2023 8:59 am
Forum: General Discussion
Topic: Drilling Holes In 3mm Aluminium Using Forstner Bits
Replies: 28
Views: 8835

Re: Drilling Holes In 3mm Aluminium Using Forstner Bits

Geeee! That is what "Chassis" PUNCHES were invented for over 70 years ago. I still have my 5/8 and 3/4 inch ones somewhere. Havent done any vacuum tube construction in well over 40 years.
...lew...