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Anonymous Poster

Squirrel cage blowers

12/22/2007 4:32 PM

For best air flow, Should the cage vanes slap the air, like a water pump would or does this not matter?

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#1

Re: Squirrel cage blowers

12/22/2007 5:05 PM

No, they should run just the opposite, that is toward the forward curve of the blades.

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#2
In reply to #1

Re: Squirrel cage blowers

12/22/2007 11:08 PM

You probably need to get the 'angle of attck' right ( though I'm no expert).

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#3
In reply to #2

Re: Squirrel cage blowers

12/23/2007 5:15 AM

I wondered how long it would take you to sniff around this squirrel cage...no nuts in it for you...ha ha.

Shhhhh. keep quiet, Mrs Cat is cleaning & tidying before we have people over for the hol....she thinks I'm cleaning in the kitchen

Del

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#5
In reply to #3

Re: Squirrel cage blowers

12/23/2007 5:40 AM

I'd just tie a Hoover to your tail ! Wear Marigolds for washing-up to save your paws, and just roll around on the floor. If you have lino type stuff it should buff up nice.

'cleaning', 'kitchen' ? In what what are these words related ? Mrs Squirrel knows that I'm a lost cause for such things. Whenever she sends me off to do a job I end up doing something completely different. All those half finnished DIY jobs. And yes, it does get a bit like Python. I'm just so easily distra..............I get sent to do the odd bit of shopping but invariably return with stuff that was not on the list. Even simple tasks such as getting me to deliver local X-mas cards will end with me phoning home to say "I just popped into London etc etc")

Where are the thumbs !

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#4

Re: Squirrel cage blowers

12/23/2007 5:36 AM

It depends on the curvature of the vanes, and the direction the blower is designed to run. There are three basic arrangements: forward curved blades, backward curved blades, and straight blades. There are minor variations in all these, but those are the three basic ones.

You'll find a pretty good explanation here: http://en.wikipedia.org/wiki/Centrifugal_fan

The short answer is yes, blower rotation must be in the correct direction, even for a straight-bladed fan.

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