From: "Neil Unger 12348ung@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: stock manifold
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Date: Sun, 3 Nov 2019 07:40:05 +1100
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Charlie,

                      Sadly no, the cut went through about  3/8 inch 
inside the end of the tube.   This is where the weld will be critical as 
in the type of rod used as it will cop all the heat. The slip join at 
the bend can be reused to go into the 45 degree bend.   Neil.

On 11/3/2019 6:09 AM, Charlie England ceengland7@gmail.com wrote:
> On 11/1/2019 4:10 PM, Neil Unger 12348ung@gmail.com wrote:
>> Can anyone tell m,e the exact metal used in the stock exhaust 
>> manifold?  I have cut one in half to reverse the direction and it 
>> appears to be S/S outer with inconel inserts.   It will help to know 
>> before I weld back together with the correct rod.  As shown the 
>> weight is now approx 10 lbs and I am impressed with the build of the 
>> manifold, --- much better than my version, and will be not much heavier.
>>
>> Neil Unger
> Were you able to preserve the iconel(?) stubs and slip joints where 
> the 3 ports exit the cast plate? I'd bet the slip joints are essential 
> to the system working correctly and surviving.
>
> Looks like you found the one at the exit bend. :-)
>
> I tried to use the flywheel end exit to advantage on mine; my pipe 
> goes down/aft to an Aeroturbine muffler I managed to keep within the 
> cowl. Not yet flying, so can't comment on reliability/success.
>
> Charlie
>