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Inlet manifold design

To: BRITISH-CARS-PRE-WAR@Autox.Team.Net
Subject: Inlet manifold design
From: Dr G W Owen <ensgwo@bath.ac.uk>
Date: Mon, 21 Apr 1997 12:42:23 +0100 (BST)
Anybody out there an expert on inlet manifold design?

I am trying to do a new manifold for my 6 litre deHaviland Aero engine.
Currently I have 4 single choke AMAL carbs (one for each cylinder). The
engine revs to about 2700.

The new carb is a 2inch SU. This has to be fitted at one end of the
engine. I am planning to run a pipe from the carb to the along to the
middle of the engine. This will then connect to a pipe running the length
of the engine (diameter?). From ths pipe, I intend to run a separate pipe
to each cylinder. The length of the pipe along teh engine is around 34".
>From the valve to the carb is about 36" For 1 and 4 and 30" from 2 and 3.

Any comments/crtisism greatfully received


Geraint Owen


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