Search found 370 matches

by Tom McCarthy
Sat Jan 13, 2018 9:39 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: A Bunch of Failures
Replies: 46
Views: 1135

Re: A Bunch of Failures

Keep it running for an hour or so, should be hot to the touch, not just warm.

My pump kept improving noticeably after each such run for the first 3 I remember, note that I was starting off at about 40 microns and got to 10, somewhat different to your situation.
by Tom McCarthy
Sat Jan 13, 2018 8:49 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: A Bunch of Failures
Replies: 46
Views: 1135

Re: A Bunch of Failures

Yes, I’m pretty sure John means to put a blank directly on the inlet and see how much sound it makes. Check out this post, fizz’s posts gives some good information on the role of the gas ballast. http://www.fusor.net/board/viewtopic.php?f=10&t=11196&hilit=Gas+ballast I appreciate that you’ve got new...
by Tom McCarthy
Sat Jan 13, 2018 12:23 pm
Forum: The Trading Post
Topic: Vacuum Throttle Valve
Replies: 9
Views: 257

Re: Vacuum Throttle Valve

Thanks Jerry, I bid before figuring that out. Mistake purchase made.
by Tom McCarthy
Fri Jan 12, 2018 4:05 pm
Forum: The Trading Post
Topic: Vacuum Throttle Valve
Replies: 9
Views: 257

Re: Vacuum Throttle Valve

Is that a 6-inch conflat fitting?
by Tom McCarthy
Sun Jan 07, 2018 11:24 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Matsusada Power Supply Cable
Replies: 12
Views: 353

Re: Matsusada Power Supply Cable

Makes sense Richard.

Good news on the connector front, I found a Matsusada document detailing the different connections they use for power supplies. They have dimensions for each, which should enable identification.
matsusada cable.pdf
Matsusada cable connections
(305.37 KiB) Downloaded 8 times
by Tom McCarthy
Sun Jan 07, 2018 1:05 am
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Matsusada Power Supply Cable
Replies: 12
Views: 353

Re: Matsusada Power Supply Cable

Power supply arrived. Been knocked out sick for the past week and haven't measured the length of the HV output tube yet. As Ian mentioned it's a sawtooth connection as looks to be a similar length to the pipe opening to contact in Rex's picture. I was taken aback by how far in the tube goes. The out...
by Tom McCarthy
Fri Jan 05, 2018 7:35 pm
Forum: Interesting Links
Topic: Identifying coax connections etc
Replies: 3
Views: 137

Identifying coax connections etc

I found this webpage helpful for identifying different RF related connections, for coaxial cable and so on. See the attached pdf in case the website goes down.

http://www.rfcables.com/Technical_Connector-Glance.htm


Tech-ConnectorsGlance.pdf
(173.86 KiB) Downloaded 10 times
by Tom McCarthy
Sun Dec 31, 2017 9:46 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: A Bunch of Failures
Replies: 46
Views: 1135

Re: A Bunch of Failures

How do you know that all of the previous gauges were/are broken?
by Tom McCarthy
Sun Dec 31, 2017 1:32 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Matsusada Power Supply Cable
Replies: 12
Views: 353

Re: Matsusada Power Supply Cable

Ok, thanks Rex, that’s very useful info. I’ll check if the connection has a spring when it arrives.

Also, you’re right, there aren’t any I/O pin numbers on the page, laziness on my part, I just remembered seeing the function descriptions.
by Tom McCarthy
Sat Dec 30, 2017 6:01 pm
Forum: New User Chat Area
Topic: Deuterium Line Requirements
Replies: 6
Views: 207

Re: Attaching Deuterium