gas
gas


Author Comment Last activity Moderation
mathew "@Danbeavers If you ream it you're right-- I was thinking about just a drill hole and that note. Vibrations on either a cheap drill or a poorly secu..." | Read more » about 9 years ago
nshapiro "+1 to the time relay delay it could be adhered to the belly of the pump. Digging the flow meter debate! " | Read more » about 9 years ago
danbeavers "Mathew: Why would you doubt the accuracy of a stepped bore? A reamer will provide very accurate hole size and ball bearings have very accurate di..." | Read more » about 9 years ago
mathew "@danbeavers hmm... the variability in the break and its effect on flow could be quantified with a more accurate flow meter. I wonder how variable ..." | Read more » about 9 years ago
danbeavers "Another approach to this problem would be essentially what Drager does. We could construct a manual vacuum pump. It would essentially be like a b..." | Read more » about 9 years ago
danbeavers "Thanks Nate for posting my thoughts. I wanted to comment on Mathew's idea of calibrating the pump before shipment. I assume what is meant is that..." | Read more » about 9 years ago
nshapiro "@danbeavers just sent me a great email about cheap flow meters. he told me I could repost it, so am putting it here: "I have been thinking/researc..." | Read more » about 9 years ago
nshapiro "Gotcha. In my testing in 2011 i did some of the test and mailed test kits to those i couldn't meet in person. altho it wasn't statistically signifi..." | Read more » about 9 years ago
mathew "The vintage timers are probably far too massive. I'm not as worried about tampering as I am about good faith forgetfulness-- I don't always hear t..." | Read more » about 9 years ago
nshapiro "This is great. The vintage timers are pretty amazing although they add a lot of weight and thus money and are not tamper proof. We could just inclu..." | Read more » about 9 years ago
mathew "following up on our discussion about trying to calibrate the pump without the flow meter-- could we calibrate the pump at our office, and then have..." | Read more » about 9 years ago
danbeavers "Oh, I was making assumptions. I had not seen a pump that was set up to have 2 different attach points. So never mind about my comment! " | Read more » about 9 years ago
nshapiro "@danbeavers were you using the whisper pump or another pump? I think the whisper pump can handle one pump and one vacuum if need be " | Read more » about 9 years ago
danbeavers "On reversing the aquarium pump: Be sure and reverse both diaphragms! " | Read more » about 9 years ago
warren "Hi, Nick - I'm working on some sketches of the kit; do you have any photos of the entire thing, just a bit more zoomed out? Thanks! " | Read more » over 9 years ago
mathew "I just bought the air pump components and a graduated cylinder to try and compare @davidmack's cheapo air meter... can't wait. I'm going to try us..." | Read more » over 9 years ago
christad92 "Thanks. I'll check those links out.I hope they will be of great help " | Read more » over 9 years ago
Nashblackcat "http://www.jhnewsandguide.com/news/cops_courts/amerigas-leak-grew-fast/article_5446c51b-aa2e-5a3d-b07d-985967fc052e.html This is one recent news i..." | Read more » over 9 years ago
Nashblackcat "The stations themselves are not the only hazard : http://www.csb.gov/little-general-store-propane-explosion/ You would be amazed about how lacking..." | Read more » over 9 years ago
muyueh "Thanks for all your comment. Some firefighters actually died because they were not sure of the cause of the explosions, I would like to think that ..." | Read more » over 9 years ago
stevie "This is incredible. I'm so sorry about what happened. You did an excellent job capturing the visual data and brining it to the public's eye. " | Read more » over 9 years ago
eustatic "wow. thanks for all of your work. " | Read more » over 9 years ago
liz "Hi Muyueh, i am so sorry to hear about this tragedy. Your map is incredibly well-made. Now that you have exported it, you can add annotations to th..." | Read more » over 9 years ago
nshapiro "I think so. Those tubes require one pump on the Draeger Tube proprietary pump. So if one were to rent their proprietary pump for a single day and a..." | Read more » over 9 years ago