Buly,
I guess your right, however conventional wisdom on Rotary engine suggest that welding on the inside and tacking on the outside works better with the Rotary high heat exhaust.

There has been a lot of discussion on this in the past.

George ( down under)

> 99% of the aircraft flanges are welded on the outside only.
> Buly
>
>
> -------------- Original message ----------------------
> From: hoursaway1@comcast.net
>>
>> I thought for best support you are to weld on the inside of pipe/flange. >> David
>> Cook.
>>
>> -------------- Original message -------------- >> From: Bulent Aliev <atlasyts@bellsouth.net>
>>
>> > Kevin,
>> > Racing Beat has very nice cast stainless steel flanges
>> Buly
>
>
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