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-   -   Are Fans Pneumatic Devices? (http://www.chiefdelphi.com/forums/showthread.php?t=146747)

marshall 07-04-2016 14:54
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by IKE (Post 1569226)
*Trigger warning, may include some satire/sarcasm
I don't really see any issue with the fan. Now the wind bag (what I like to call the device catching said air) may be a different story. Can someone ask the GDC if Wind Bags are legal? I don't have direct access via Q&A. Here is some sample wording:

On CD, I came across a lot of posts about Fans and Wind Bags. While fans seem perfectly legal, wouldn't the Wind Bags referenced on CD be illegal? With all the attention they are getting, I am afraid that those that follow CD might cause the Wind Bags to multiply. It could get bad enough that most teams at the championship might have a Wind Bag. If wind Bags are legal, then carry on...**


*Just so anyone that is not a regular know this is mostly sarcastic
**Added so that anyone reading this post realizes that this post is mostly satire.
I only see an issue with mentor-built wind bags... but then I don't know of any other varieties. :cool:

JohnFogarty 07-04-2016 14:56
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by marshall (Post 1569240)
I only see an issue with mentor-built wind bags... but then I don't know of any other varieties. :cool:
Does it look like a windbag to a reasonably astute observer?

Conor Ryan 07-04-2016 15:00
Re: Are Fans Pneumatic Devices?
 
The air pressure in your typical latex balloon is [ambient air pressure]+0.005 atm. Convert that to PSI.


**pours gasoline**

Chris is me 07-04-2016 15:26
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by Conor Ryan (Post 1569247)
The air pressure in your typical latex balloon is [ambient air pressure]+0.005 atm. Convert that to PSI.


**pours gasoline**
Well, gauge pressure in FRC is pressure above atmospheric, so you just need to convert .005 atm to PSI. That is, .073 PSI.

And the pressure in a balloon is significantly higher than a wind sock, since pressure stored in a balloon is actually stretching the latex of the balloon out, where a windsock is just stiffening / taking shape.

FrankJ 07-04-2016 16:15
Re: Are Fans Pneumatic Devices?
 
Everybody seems to be missing the real question. Is the windbag rated for 125PSI? :deadhorse:

E Dawg 07-04-2016 17:42
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by FrankJ (Post 1569280)
:deadhorse:
#implied

techhelpbb 08-04-2016 09:16
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by Conor Ryan (Post 1569247)
The air pressure in your typical latex balloon is [ambient air pressure]+0.005 atm. Convert that to PSI.


**pours gasoline**

Here you go.

Add custom circuit with ISD chip so your robot can excuse itself.

GreyingJay 08-04-2016 10:46
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by JohnFogarty (Post 1569245)
Does it look like a windbag to a reasonably astute observer?
Should we yell "WINDBAG!" whenever we see one walking around the pits?

marshall 08-04-2016 10:54
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by GreyingJay (Post 1569521)
Should we yell "WINDBAG!" whenever we see one walking around the pits?
My grandmother taught me to say "excuse me" like a civilized human being! :D

FrankJ 08-04-2016 10:56
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by GreyingJay (Post 1569521)
Should we yell "WINDBAG!" whenever we see one walking around the pits?
Only if you want to see a CD petition on stop yelling "WINDBAG" in the pits.

JesseK 08-04-2016 20:30
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by FrankJ (Post 1569526)
Only if you want to see a CD petition on stop yelling "WINDBAG" in the pits.
If the petition were in the form of a poll, would the Cheesy Poofs troll us all again?

techhelpbb 15-04-2016 16:33
Re: Are Fans Pneumatic Devices?
 
Quote:
Originally Posted by techhelpbb (Post 1568738)
In 2007 they had these:



Also it's possible to convert linear motion to rotary.
So one could convert those linear cylinder movements to rotary movement.
Anyone see a rule to prohibit converting linear cylinder movement to rotary?
http://bricks.stackexchange.com/ques...o-project-work



I need to do some extreme FLL!


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