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My company does a fair bit of R and D and it's really fun. It's amazing how much work can go into answering a simple question... and sometimes the best answer you can come up with is "maybe...?"

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Sidhekin's picture
Sidhekin
0

Sorry, was the "definitely less than eight" intentional?

Unless we're talking fractional tubes (whoah!), "seven" would do. Unless, unless he meant "definitely no more than eight"?

(What, you thought I was going to complain about "less" vs "fewer"?)

fues's picture
fues
0

But it might be six!

Sidhekin's picture
Sidhekin
0

Worst case might be six? Why bring in eight, then?

Rashkavar's picture
Rashkavar
2

Adds a 1.3 Factor of Safety. Depends on how critical the function of the device is. If it's very critical, I'd go with 9 or 10 tubes (3x3 array or 2x5), since that bumps things up a bit more. Less critical, 7 (packs nicely in a hex-pack) since you're not risking as much by pushing down the FS.

If it breaking means people die, more like 20 or so. Or you can go with the Brooklyn Bridge's factor of safety and use 36 tubes, if you're designing it for use by the public for a hundred plus years.

Jam's picture

Books and Cons oh MY

HEY EVERYONE did you hear that I'm still alive somehow!? I have a new book! You can get it!

I'm customizing orders RIGHT NOW, every waking moment when I'm not attending thousands of conventions or working that full time job thing that I do. I was already at Emerald and FanExpo before I even had time to think about making this blog.  Next you will find me at:

Calgary Expo: Apr 25-27 (not the Thursday)

TCAF (Toronto): May 10-11

VANCAF (Vancouver): May 25-26

These events will be phenominal!! The last ones are FREE to attend! COME SAY HI :D

"But Jam will you be at _____??" I don't know! Probably not, nothing else for the year is planned or confirmed. I might throw something onto the list for fall but definitely not for summer. ALRIGHT, that's all, I have to get back to everything SEE YOU SOON!


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