David,
Is your planned speed high enough for installation of a diffuser? If
so, it could guide the design of your inlet. As Neil says, with the
proper size inlet, air velocity is lower and manifold pressure is
higher. If this is a street installation.....never mind the diffuser.......
Skip
At 12:53 PM 5/25/2009, neil@dbelltech.com wrote:
>David;
>
>As long as you are not creating drag by adding a cold air inlet, why not
>make it as big as possible? I think CFM (air flow) is the key question; air
>flow velocity is a problem if the cross- sectional area gets small. Pressure
>drop increases greatly as the velocity increases.
>
>Regards, Neil Tucson, AZ
>
>
>-----Original Message-----
>From: land-speed-bounces@autox.team.net
>[mailto:land-speed-bounces@autox.team.net] On Behalf Of David in Durango
>Sent: Monday, May 25, 2009 12:04 PM
>To: LandSpeed list
>Subject: [Land-speed] cold air supply question
>
>We want to supply cold air to a motor. Is HP or displacement the
>determining
>factor in "how big a pipe do we need so the motor doesn't starve for air?"
>
>A carb is what? 4" or less of flow at wot?
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