(rx7) Belt driven superchargers and the rotary

[bill.shurvinton at nokia.com]

Hi Chris,

I've been looking into this possibility for my Westfield, which is
fitted with a 13B. Atkins rotary supply a kit based on the Camden
supercharger (positive displacement), which they offer in various boost
configurations and infer that it can be used at 6PSI on a NA engine,
despite the old camden installation manual specifically not recommending
this. No intercooler offered at the moment.

I have been talking to CAPA in australia (www.capa.com.au) who recommend
the vortech V5 which should be good for 450BHP. Apparantly someone in NZ
has done a 700BHP drag car with a vortech, but no written references
available.

I guess the turbos are good enough that most rotary owners feel no need
to change. 

Rgds

Bill

-----Original Message-----
From: ext Chris Wilson [mailto:chris at formula3.freeserve.co.uk]
Sent: Sunday, October 07, 2001 10:42 AM
To: DIY_EFI at lists.diy-efi.org
Subject: (rx7) Belt driven superchargers and the rotary



Anyone any experience of belt driven centrifugal superchargers like the
Vortech and rotary engines? Was wondering if reducing the thermal stress
that a rotary puts on its turbo(s) in a race environment could be
bettered by a mechanically driven turbocharger.  All info appreciated,
hands on experience, links, anything...

Thanks.

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