Search found 849 matches

by tufty
Tue Jan 12, 2021 7:44 am
Forum: Off topic forum
Topic: hey hey happy new year
Replies: 0
Views: 234

hey hey happy new year

Hi all. Been a while since I've been around, hope everyone is staying safe and well in these difficult times.

A happy and prosperous new year to you all, keep making obnoxiously noisy gas burners.

Simon
by tufty
Fri Dec 27, 2019 4:41 pm
Forum: Valveless pulsejet forum
Topic: Christmas bonus!
Replies: 2
Views: 1945

Christmas bonus!

Not mine. You've probably already seen this.

https://www.youtube.com/watch?v=28XbT11lL24
by tufty
Thu Feb 15, 2018 7:19 pm
Forum: Off topic forum
Topic: youtube
Replies: 1468
Views: 275942

Re: youtube

Yum. Carby!
by tufty
Mon Feb 12, 2018 3:47 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1776
Views: 449143

Re: Odds and ends

You might find this interesting, perhaps even related...

http://bora.uib.no/bitstream/handle/195 ... sAllowed=y
by tufty
Sat Dec 16, 2017 3:47 pm
Forum: Off topic forum
Topic: youtube
Replies: 1468
Views: 275942

Re: youtube

You can do better than this, Mark

https://www.youtube.com/watch?v=FEOEyDRzkNE
by tufty
Sat Oct 28, 2017 5:11 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1776
Views: 449143

Re: Odds and ends

If I was trying to do that... First off, I'd make up an expanding arbor, if I were trying to pierce the bottom of a "jar" that I could get into, or contracting chuck to hold the outside. Make the thing from aluminium disks / rings, say 10mm thick and under (or over) sized by something like 0.05mm, s...
by tufty
Fri Oct 27, 2017 7:00 am
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1776
Views: 449143

Re: Odds and ends

WRT the 5mm hole, it might be that they're trying to meet some ridiculous tight tolerance (either specified by you, or "default") rather than having trouble actually making a hole. I can see it being properly hard to meet, say, a radial tolerance of ±0.01mm in glass. Did you ask what the problem was?
by tufty
Thu Oct 26, 2017 6:06 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1776
Views: 449143

Re: Odds and ends

Aww, man. That's wonderful.

The quartz jar is excellent. Well done!
by tufty
Sat Oct 21, 2017 6:19 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1776
Views: 449143

Re: Odds and ends

What a hoot!

I'll get my coat
by tufty
Fri Oct 06, 2017 7:52 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1776
Views: 449143

Re: Odds and ends

Go on, order a blown glass lockwood or escopette. You know you want to.

Image
by tufty
Thu Oct 05, 2017 6:21 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1776
Views: 449143

Re: Odds and ends

That looks wonderful. Here's hoping for some cooler weather for you to fire it up.
by tufty
Sat Sep 23, 2017 10:16 am
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1776
Views: 449143

Re: Odds and ends

Etching aluminium's dead easy.
by tufty
Wed Sep 13, 2017 10:04 am
Forum: Off topic forum
Topic: Good luck with Irma
Replies: 2
Views: 2703

Re: Good luck with Irma

Ah, good news.
by tufty
Sun Sep 10, 2017 8:21 am
Forum: Off topic forum
Topic: Good luck with Irma
Replies: 2
Views: 2703

Good luck with Irma

to Mark, and any other floridans.

Let us know you're alright when you can.
by tufty
Thu Sep 07, 2017 7:48 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1776
Views: 449143

Re: Odds and ends

That looks great, man.