flyrotary@lancaironline.net Mailing List Archive

Tom, I located my primaries in the stock position on the block. I have my controller using the primaries exclusively at idle. My working theory is to first get the fuel into the combustion chamber, and then to have it as close to completely evaporated as possible. Having the primaries squirting almost directly into the chamber insures that the miniscule amount of idle fuel actually ends up in the chamber.

Once I hit 2k RPM, the secondaries start progressively sharing the load, until they're delivering half the fuel at 4k. The secondaries are located further back in the runners. By the time the engine is running this fast, the air is moving much faster in the runners than at idle, so locating them further back gives the fuel more time to evaporate.

I have the engine running smoothly from idle to 5400 while doing static run-ups.

On 08/23/2013 05:45 PM, Thomas Mann wrote:

Hey Chris ..... appreciate it.

You don’t happen to know what size tubes you have (Primary & Secondary)?

I think I’m getting close to formulating a plan. I’ve gotten some input from John and Bonzai Racing but the Fly Rotary list has been little help. Mostly just crickets there.

Thanks again.

T Mann

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From: Chris Barber
Sent: ‎Friday‎, ‎August‎ ‎23‎, ‎2013 ‎4‎:‎34‎ ‎PM
To: Rotary motors in aircraft

I took some shots of my engine last night. I will try to post them on the canard aviation site.

Chris

Sent from my iPhone 5

On Aug 23, 2013, at 7:56, "Thomas Mann" <thomasmann51@gmail.com> wrote:

> I wonder why nobody sets up the second set of injectors the same way the primaries are setup (i.e. shoot through the iron into the intake port. )
> That would sure simplify things and pretty much match up the fuel delivery method.
>
> Is there a logical/rational reason this isn't configured in this manner?
> ......or .... has someone already done this?
>
> T Mann

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