Message-ID: <01C424A9.4F6AF8A0@nwhn-sh5-port22.snet.net>
From: Jim Maher <DELTAFLYER@prodigy.net>
To: "'Rotary motors in aircraft'" <flyrotary@lancaironline.net>
Subject: RE: [FlyRotary] Re: intake ideas?
Date: Sat, 17 Apr 2004 18:25:05 -0400
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="---- =_NextPart_000_01C424A9.4F8362A0"


------ =_NextPart_000_01C424A9.4F8362A0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit

Rusty,
I'm using Atkins short manifold with a TWM TB.
The primary injectors are in the block.
I bored out the bosses on the top of the secondary runners and installed the secondary injectors directly in the manifold.
They are spaced perfectly to use the stock fuel rail.
It makes for a very compact installation.
I made plugs for the TWM TB injector holes.
I don't have much room under my cowl.
Jim Maher(not quiet ready to fly yet)
Dyke Delta / 13B

-----Original Message-----
From:	Russell Duffy [SMTP:13brv3@bellsouth.net]
Sent:	Saturday, April 17, 2004 6:23 PM
To:	Rotary motors in aircraft
Subject:	[FlyRotary] Re: intake ideas?

 << File: ATT00027.htm >> 
The question of tuned runners is 'how much is the benefit?', and 'what do
you want to give up for it'.

Thanks to you both for the comments.  I think Al hit the nail on the head
with the above statement.  There are so many compromises that have to be
made, particularly when you don't have much room to work with.  It would be
great to see a direct comparison of a short intake vs a nicely tuned one.
AFAIK, no one has done that.  I know Ed had a short intake in the past, but
I'm thinking that he changed some other major items (engine or fuel
injection system?) at the same time he changed intakes, which would
invalidate the test.

I also agree about the injector placement, and I'm starting to think the
best arrangement is either to have the primaries in the block, and
secondaries in the TB, or all four injectors in the TB on a short intake.
Since I have both a 2 and a 4 injector version of the TWM TB, I guess I can
go either way on the next iteration.

BTW, Al, did you make that intake?  It's beautiful!

Cheers,
Rusty (wishing I was home where I could start working on the new intake)


------ =_NextPart_000_01C424A9.4F8362A0
Content-Type: application/ms-tnef
Content-Transfer-Encoding: base64
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------ =_NextPart_000_01C424A9.4F8362A0--