Mailing List flyrotary@lancaironline.net Message #58114
From: Charlie England <ceengland@bellsouth.net>
Subject: Re: [FlyRotary] Re: Drilling injector rail
Date: Tue, 22 May 2012 20:15:45 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
On 05/22/2012 04:29 PM, jskmberki@windstream.net wrote:
Monty and Charlie,

If you could measure the diameters that would be great.

Where did you find the tool with the counter bore?

Price?

Thanks for the input

Joe Berki


On Monday, May 21, 2012 7:40 PM, MONTY ROBERTS <montyr2157@windstream.net> wrote:
>
They make a special cutting tool with a counter bore on it for this job. I'm sure you can accomplish the same thing with a drill, a counterbore, and a couple reamers.
 
Monty
----- Original Message -----
Sent: Monday, May 21, 2012 7:37 PM
Subject: [FlyRotary] Re: Drilling injector rail

>
On 05/21/2012 05:39 PM, jskmberki@windstream.net wrote:
Does anyone know the sizes and configuration used to drill a fuel rail for RX8 injectors?

I think 7/16" will accommodate the first O ring.

Does there need to be a larger diameter to seat the second O ring which is different in shape?  It is located close to where the electrical connector branches out.

Thanks for any help.

Joe Berki


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I've got a factory pair of rails. I can measure the diameter of the injector cups for you tomorrow. If you can use them, I'd be happy to let them go for whatever I paid (was pretty cheap on ebay). This set is for 4 injectors: the 2 in the center housing + 2 on the intake manifold, complete with hoses.
>
> Charlie
>
>
>

Hi Joe,

I had a jammed up day today & didn't make it to the hangar. My apologies; I promise it will be the 1st thing on my list when I get home tomorrow.

Charlie
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