Today's Message Index:
----------------------
1. 05:04 AM - Re: Help 503 side mount exhaust Muffler Mounting (George Helton)
2. 05:42 AM - Re: Help 503 side mount exhaust Muffler Mounting (Stuart Harner)
3. 05:42 AM - Re: Help 503 side mount exhaust Muffler Mounting (Hoppy)
4. 07:43 AM - Re: Help 503 side mount exhaust Muffler Mounting (Richard Pike)
Message 1
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| Subject: | Re: Help 503 side mount exhaust Muffler Mounting |
Well, can't say as I've ever seen or heard of problem with the standard mount system
which is actually a Rotax suggested design. But without a picture of what
you've got it's hard to tell? Your might check with Leading Edge Airfoils. They've
been a good supplier of Rotax stuff for a lot of years. They're online.
George H
14GDH
Have a great day!
> On Mar 28, 2017, at 7:01 PM, KJ4CTZ <Kj4ctz@gmail.com> wrote:
>
>
> Greetings, I have a 91 Kolb KXP with a Rotax 503 DCDI. The exhaust (Muffler)
bracket was mounted to two Lord Mounts attached to 2 head bolts and the other
side to the muffler bracket. This is a very poor mount and places a lot of stress
on the Lord mounts. It looks terrible and if the mounts broke, well I do not
even want to think about that!
>
> How have you guys mounted your Muffler systems? Are there any kits available
to purchase for proper muffler mounting? Pictures of your Muffler mounting would
certainly be appreciated.
>
> Thanks in advance
>
> I would really like to find this kit (see photo) It used to be produced by CPS
in California but they no longer carry this product.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=467774#467774
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/exhaust_kit_395.jpg
>
>
>
>
>
>
Message 2
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| Subject: | Help 503 side mount exhaust Muffler Mounting |
Check out the pictures here:
http://harnerfarm.net/serenity/engine.html
This is a 447 but you might be able to do something similar to the 503. The
factory supplied the big aluminum plate. I made up the rest of it.
Post a picture of your current setup if you can.
Stuart
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of KJ4CTZ
Sent: Tuesday, March 28, 2017 8:01 PM
Subject: Kolb-List: Help 503 side mount exhaust Muffler Mounting
Greetings, I have a 91 Kolb KXP with a Rotax 503 DCDI. The exhaust (Muffler)
bracket was mounted to two Lord Mounts attached to 2 head bolts and the
other side to the muffler bracket. This is a very poor mount and places a
lot of stress on the Lord mounts. It looks terrible and if the mounts broke,
well I do not even want to think about that!
How have you guys mounted your Muffler systems? Are there any kits available
to purchase for proper muffler mounting? Pictures of your Muffler mounting
would certainly be appreciated.
Thanks in advance
I would really like to find this kit (see photo) It used to be produced by
CPS in California but they no longer carry this product.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=467774#467774
Attachments:
http://forums.matronics.com//files/exhaust_kit_395.jpg
Message 3
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| Subject: | Re: Help 503 side mount exhaust Muffler Mounting |
Speaking of head bolts...re torquing at one hour is important...and I
agree...the current method of attaching the exhaust has been working for
over 30 years...likely on over 1000 planes...Herb
On 03/29/2017 07:04 AM, George Helton wrote:
>
> Well, can't say as I've ever seen or heard of problem with the standard mount
system which is actually a Rotax suggested design. But without a picture of what
you've got it's hard to tell? Your might check with Leading Edge Airfoils.
They've been a good supplier of Rotax stuff for a lot of years. They're online.
> George H
> 14GDH
>
> Have a great day!
>
>> On Mar 28, 2017, at 7:01 PM, KJ4CTZ <Kj4ctz@gmail.com> wrote:
>>
>>
>> Greetings, I have a 91 Kolb KXP with a Rotax 503 DCDI. The exhaust (Muffler)
bracket was mounted to two Lord Mounts attached to 2 head bolts and the other
side to the muffler bracket. This is a very poor mount and places a lot of stress
on the Lord mounts. It looks terrible and if the mounts broke, well I do
not even want to think about that!
>>
>> How have you guys mounted your Muffler systems? Are there any kits available
to purchase for proper muffler mounting? Pictures of your Muffler mounting would
certainly be appreciated.
>>
>> Thanks in advance
>>
>> I would really like to find this kit (see photo) It used to be produced by CPS
in California but they no longer carry this product.
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=467774#467774
>>
>>
>>
>>
>> Attachments:
>>
>> http://forums.matronics.com//files/exhaust_kit_395.jpg
>>
>>
>>
>>
>>
>>
>
>
Message 4
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| Subject: | Re: Help 503 side mount exhaust Muffler Mounting |
The basis for our FF project started as a Firstar / 447 back in 1985, and while
the original muffler bracket system does look terrible, it had held up with no
problems. However all the bolts and rubber cushions were shot, and it seemed
like a good time to do an upgrade. Here is how we redid it: Get a heavy duty
muffler hangar kit from Advance or O'Reilly auto parts and use the rubber hangars.
Now you can eliminate one of the original aluminum angles, you do need to
weld a braced tab to the original bracket on the muffler.
Also, I have never liked using the standard springs that hold the muffler to the
header, so we converted to something less likely to break and go through the
prop.
--------
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Forgiving is tough. Being forgiven is wonderful.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=467799#467799
Attachments:
http://forums.matronics.com//files/ff1_161.jpg
http://forums.matronics.com//files/ff5_149.jpg
http://forums.matronics.com//files/ffsprings2_510.jpg
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