<VV> fanz - SPAL #30102113

[Roger Gault]

----- Original Message ----- 
From: "Ron" <ronh at owt.com>
To: <JVHRoberts at aol.com>; <lechevrier at earthlink.net>;
<virtualvairs at corvair.org>
Sent: Tuesday, August 02, 2005 8:48 PM
Subject: Re: <VV> fanz - SPAL #30102113


> Just what is the pressure above the cylinders?  It's not in Bob's book.
> RonH
>
When I asked Bob about this last year, he sent me the data below.
Note that this is about an order of magnitude more pressure than what was
quoted for the SPAL fan.

Roger Gault

==============================================================
Roger,
Here's the Chev data. Sorry about the alignment.
Regards,
Bob Helt


Plenum Pressure (Inches-H2O)*

          No. Fan
-----------------------------------------------Engine
RPM-----------------------------------------------
Year    Vanes       Eng     2000       2400      2800     3200      3600
4000      4400       4800        5200

1961      24        80hp        1.6         2.2         3.2         4.1
5.1          6.1        7.2**     -----     -----
1963      16       150hp        2.7         3.9         5.2         6.9
8.5         10.0       10.6       11.0**      11.4
1964      11       110hp        2.3         3.2         4.3         5.4
6.8          8.2        9.8         11.4**      -----
1965      11       140hp        2.3         3.4         4.4         5.5
7.0          8.4        9.6         10.3        10.8**

*  From Chevrolet Dynamometer data
** Extrapolated/interpolated data