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Re: [Spridgets] Weber DCOE vs OER DCOE

To: WeslakeMonza1330@aol.com, breton48@live.com,
Subject: Re: [Spridgets] Weber DCOE vs OER DCOE
From: "Robert E. Shlafer" <pilotrob@webtv.net>
Date: Sat, 26 Sep 2009 16:27:42 GMT
Measurement of "Squeezedown" of airflow causing excessive "drag"..... 

I just remembered...."Reynolds Numbers"!!!?
 

Cap'n. Bob      '60 :{)


-----Original Message-----
From: Robert E. Shlafer
Sent: Saturday, September 26, 2009 12:18 PM
To: WeslakeMonza1330@aol.com, breton48@live.com, spridgets@autox.team.net
Subject: Re: [Spridgets] Weber DCOE vs OER DCOE

Too much "squeeze down" of inbound airflow....high airflow "drag" numbers 
accordingly. I forget the exact name of this
type of "drag", but this effect also makes for less accuracy in metering with 
respect to progression, jets, etc.

Basically, too much carb for the application.

Anything below 34mm chokes, better all-around flow velocities, etc. with the 
smaller
40. 

Cap'n. Bob      '60 :{)


-----Original Message-----
From: WeslakeMonza1330@aol.com
Sent: Thursday, September 24, 2009 12:56 PM
To: breton48@live.com, spridgets@autox.team.net
Subject: Re: [Spridgets] Weber DCOE vs OER DCOE

If you choke a 45 down to a 32 choke it generally flows less and doesn't  
perform as well as 40 in the same size.  That of course begs the question  
why it's possible to choke down if it's a bad idea - I don't have an  answer.
 
Weslake-Monza 1330
 
In a message dated 23/09/2009 21:23:24 GMT Daylight Time, breton48@live.com 
 writes:

They  don't stock the OER
in anything smaller than 45, and the minimum venturi  size is 32
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