Why the number of fan blade are mostly odd numbers?

[notfred]

Has someone been possibly borrowing text form this website and not his physics class?

Busted

 

[Capn]

I imagine it has to do with something about vibration, being asymetric and all. I should know this, let me go tear up my engineering degree.

 

[Migroo]

<< Yakko seek help now >>



Har har har ;]

 

[bizmark]

<< Has someone been possibly borrowing text form this website and not his physics class?

Busted >>



:Q

 

[911paramedic]

...thats odd.

 

[crypticlogin]

<< Has someone been possibly borrowing text form this website and not his physics class?

Busted >>


Ouch! Someone's trying to fit into bigger shoes than they can fill.

 

[Evadman]

Ya so? I do that all the time, which is why I look so mart. Google R0x0rs!

Sorry, couldn't resist!

 

[Zebo]

<< Ya so? I do that all the time, which is why I look so mart. Google R0x0rs!

Sorry, couldn't resist! >>



LOL.. Same here plus notfred took my posts out of context. Adding first and second paragraphs together. Next time I will quote source though. Good one.

 

[SSP]

<< Has someone been possibly borrowing text form this website and not his physics class?

Busted >>



Oh sh!t! Busted!

That?s called getting it up the arse.

I'll give you the benefit of the doubt though.

ehh.. never mind

 

[ChefJoe]

I would imagine a standing wave of long wavelengths (like those common to "vibrational noise") would be easier to create in a design which has the blades at exactly opposite positions rather than with some deflection... but I hate the complex physics stuff.

 

[Cyberian]

<< Also, if they're so unstable, why does almsot every small airplane have a 2 bladed prop on it, and almost every old WWII warbird have a 4 bladed prop on it? >>

I wonder if the two blades on small planes might have to do with the way they were started by hand?