Mailing List flyrotary@lancaironline.net Message #46499
From: Tracy Crook <tracy@rotaryaviation.com>
Sender: <rwstracy@gmail.com>
Subject: Re: [FlyRotary] New Injectors for Mistral intake
Date: Thu, 18 Jun 2009 09:33:14 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
I don't understand how your setup worked at all (after staging point) with those 1600cc injectors.  Almost guarantees plug fouling problems during setup and it is probably beyond the point where the EC2 could compensate for in Mode 6.   The recommended injectors are 440cc with 550 as maximum.   Even a low boost turbo setup will work with the 440s.

I'm leaving early Saturday. 

Tracy

On Thu, Jun 18, 2009 at 4:50 AM, Christopher Barber <CBarber@texasattorney.net> wrote:
The new injectors as recommended by the Mistral Arrow test pilot arrived today.  I installed them and they seem to physically fit, even though they look significantly different.  I am rerouting some wires and hopefully making things better and more reliable (even though I should only be changing one thing at a time, I have done more).

Here is a picture of the four different injectors now have.  The lower left is the new Mototron INJ-GAS-006 (L107), upper left is the old primary I was using (550cc?), upper right is a standard Mazda injector I got online before I knew it would not work with the Mistral intake.  The lower right is the old secondary at 1600 cc.
As soon as I get things wired back up, I will try cranking 'er up again and see how many calls I need to make to Tracy....DOH! Why am I always making major engine modifications when Tracy leaves for CO?????

Just thought y'all may be curious to see.

All the best,

Chris

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