Search found 878 matches

by tufty
Sun Feb 05, 2023 5:16 pm
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711354

Re: Odds and ends

That's really nice, Mark.
by tufty
Thu May 05, 2022 7:50 am
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711354

Re: Odds and ends

Those are absolutely mental, Mark. Proper made me grin.
by tufty
Sun Apr 17, 2022 6:25 am
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711354

Re: Odds and ends

That's beautifully simple, Mark.
by tufty
Wed Mar 23, 2022 4:54 pm
Forum: Valveless pulsejet forum
Topic: Mike's Build Log
Replies: 434
Views: 285505

Re: Mike's Build Log

Mike Everman wrote:
Wed Mar 23, 2022 4:01 pm
But it's going to work!
I've already been to work! Where's my bloody video!!!?

Of course it's going to work. Plumbing issues are minor.
by tufty
Tue Mar 22, 2022 5:23 pm
Forum: Valveless pulsejet forum
Topic: Mike's Build Log
Replies: 434
Views: 285505

Re: Mike's Build Log

Leaves enough time for the video to upload before I wake up :)
by tufty
Mon Mar 21, 2022 5:15 pm
Forum: Valveless pulsejet forum
Topic: Mike's Build Log
Replies: 434
Views: 285505

Re: Mike's Build Log

Stainless is an absolute mofo for work hardening. Annealing should be possible, I guess - from memory 304 and 316 are somewhere between a bright cherry red and a dull orange, erring on the orange side, holding for 3 minutes per mm thickness, and then let it air cool. I checked my carbide stocks, I h...
by tufty
Mon Mar 21, 2022 6:02 am
Forum: Tools and Construction
Topic: Odds and ends
Replies: 1799
Views: 711354

Re: Odds and ends

Mark, that last one is absolutely hilarious. All it needs is googly eyes :)
by tufty
Sun Mar 20, 2022 7:00 pm
Forum: Valveless pulsejet forum
Topic: Mike's Build Log
Replies: 434
Views: 285505

Re: Mike's Build Log

How bigness the carbide?
by tufty
Mon Mar 14, 2022 12:02 pm
Forum: Valveless pulsejet forum
Topic: Mike's Build Log
Replies: 434
Views: 285505

Re: Mike's Build Log

Mike Everman wrote:
Sun Mar 13, 2022 9:14 pm
Any ideas or examples for nozzle shapes that promote entrainment?
I've never found anything that works better than a rosscojector.
by tufty
Wed Mar 09, 2022 6:31 am
Forum: Valveless pulsejet forum
Topic: Mike's Build Log
Replies: 434
Views: 285505

Re: Mike's Build Log

/me edge of seat.
by tufty
Fri Mar 04, 2022 6:44 am
Forum: Valveless pulsejet forum
Topic: Mike's Build Log
Replies: 434
Views: 285505

Re: Mike's Build Log

They look really good, man.

To counter our other argument, I'll just say "paperless office" :)
by tufty
Sat Feb 19, 2022 6:37 am
Forum: Valveless pulsejet forum
Topic: Mike's Build Log
Replies: 434
Views: 285505

Re: Mike's Build Log

3d printed in stainless? What's the process, DMLS?

Also, are you trying to tell me I'm wasting my time fixing up an old milling machine, and the time I spent learning to weld was pissed away as well?

:)
by tufty
Wed Jan 12, 2022 6:23 am
Forum: Valveless pulsejet forum
Topic: LOCKWOOD HILLER TIPJET?
Replies: 1
Views: 616

Re: LOCKWOOD HILLER TIPJET?

Patenting something doesn't necessarily mean it has to be realistic. It would almost certainly be do-able (although how long the exhausts would last under centrifugal forces is questionable), but can you imagine the noise?
by tufty
Mon Jan 03, 2022 12:17 pm
Forum: Valved pulsejet forum
Topic: Bolton pulsejet planes
Replies: 2
Views: 851

Re: Bolton pulsejet planes

Oooh, I like those. There's something very sexy about control line pulse jets.
by tufty
Sun Dec 26, 2021 6:41 am
Forum: Valveless pulsejet forum
Topic: Mike's Build Log
Replies: 434
Views: 285505

Re: Mike's Build Log

Mike Everman wrote:
Sat Dec 25, 2021 1:38 pm
HAV’s for firefighting is just silly.
Oh my lord, I hadn't even seen that. It's difficult to even start enumerating the ways that is stupid.