Roger,
It does seem the geometry of the header with the silencer makes it self supp
orting and the springs are really redundant. This is the original exhaust s
ystem 1996.
I have not had any cracking.
Tim
Tim Ward
12 Waiwetu Street,
Fendalton,
Christchurch, 8052
New Zealand.
ward.t@xtra.co.nz
021 0640221
> On 18/05/2022, at 8:02 PM, SHERIDAN Roger <RSheridan@specialist-aviation.c
om> wrote:
>
> =EF=BB Thanks Tim,
>
> Latest failure 3=9D from stbd rear flange.
>
> Nev once recommended supporting the rear silencer box to reduce stress on t
he headers.
>
> Do you think the steel becomes more brittle with age?
>
> Hope to see you later in the summer!
>
> Rog
>
>
>
>>> On 17 May 2022, at 22:14, timward <ward.t@xtra.co.nz> wrote:
>>>
>>> CAUTION: This email originated from outside your organization. Exercise c
aution when opening attachments or on clicking links from unknown senders.
>>> Hi Roger,
>>> For your information only, I replaced all the header flanges of the orig
inal Europa Classic Exhaust with the stronger recommended Rotax flanges that
fit into the cylinder heads. They came with the engine. The Europa flanges w
ere of poor quality and didn=99t fit well.
>>> Local engineer did it. Where are the cracks occurring?
>>> Will venture over to the motherland soon and may be able to catch up wit
h a pint?
>>> Cheers,
>>> Tim
>>>
>>> Sent from my iPad
>>> Tim Ward
>>> 12 Waiwetu Street,
>>> Fendalton,
>>> Christchurch, 8052
>>> New Zealand.
>>> ward.t@xtra.co.nz
>>> 021 0640221
>>>
>>> On 18/05/2022, at 8:48 AM, SHERIDAN Roger <RSheridan@specialist-aviation
.com> wrote:
>>>
>>> =EF=BB
>>> Good Evening All,
>>>
>>>
>>> I have suffered another cracked exhaust header and wonder it may be time
for a replacement.
>>> 6-8 weeks lead time from CKT & just wondering if anyone in UK might be a
ble to help.
>>>
>>> If so, please email me direct at rogersheridan@mac.com
>>>
>>> Thanks.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> Roger Sheridan
>>> Line Pilot
>>>
>>> +44 (0) 1737 822 885
>>>
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