Sender: <marv@lancaironline.net> (Marvin Kaye)
To: flyrotary@lancaironline.net
Date: Tue, 06 Apr 2004 20:25:15 -0400
Message-ID: <redirect-3149652@logan.com>
From: Dale Rogers <rogersda@cox.net>
Subject: Re: [FlyRotary] Mazda TB (was: idle speeds)
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Thanks Ed,

>Depending on whether you want to use both the secondary and Primary bores you can mill quite a bit off.  However, I did not do that as it was just too convent to attached the air inlet ducting with the stock bolts.
>

   That's what I meant about complicating the inlet ducting. 
I'll be looking, however, at milling away any superfluous 
bosses, that were only there to support brackets no longer 
in use.

> If you check I think you will find that even when the primary butterfly is fully open, the secondaries have a bit of "lag" and are not 100% open.  I redid that linkage to force the secondary to 100% anytime the primary was 100%.  I also reworked the springs so that should the throttle cable fail, the butterflys got to full open (WOT) rather than close as on an automobile.
> 

   I was looking at exactly the same thing, and noticing 
that the secondaries started opening before the primaries 
were even 1/4 open.  I'm going to make a new arm for the 
secondary shaft with a longer leverage; and a new link, 
with a slot on one end so that the secondaries don't start 
to open until the primaries are about 1/2 open.

Regards,
Dale R.
(who finally remembered to delete the accumulated attachments from this.)
R