Today's Message Index:
----------------------
1. 07:20 AM - Re: Re: Engine Cowling Help (Dan Yocum)
2. 08:39 AM - Re: Re: Engine Cowling Help (Scott Knowlton)
3. 12:38 PM - Re: Corvair College 28, 28 Feb - 2 Mar 2014, San Marcos, TX (kevinpurtee)
4. 05:46 PM - Re: Cowl construction (GNflyer)
Message 1
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| Subject: | Re: Engine Cowling Help |
On 01/05/2014 01:00 PM, skipgadd@earthlink.net wrote:
>
> Felix the GN1 has a J3 cowl. It has 3 studs attached to the firewall on
> each side, than a piece of leather and lock pins stuck through a hole in
> the stud. There is one on each side similar type stud/lock pins holding top
> to bottom half of cowl. There are 2 studs on eater side of the prop hub.
> They are bolted with a kind of bow tie shaped piece to the engine block.
N8031 has a similar solution. It's hard to see in this image, but look
closely at the triangular piece of sheet metal with a stud welded to it,
right behind the prop:
https://plus.google.com/photos/100843558075002483077/albums/5596558873691375105/5596568964201530370?banner=pwa&pid=5596568964201530370&oid=100843558075002483077
The triangle is bent offsetting it toward the center line and bolted to
the front 2 cylinder studs.
> I always thought it was stock J3, since it has a stock J3 cowl and engine
> mount.
> Bingelis does say #1 page 100 "As a rule the cowling is not attached to the
> engine"
> Maybe it works on this plane because there are only 6 attach points cowl to
> firewall and 2 attach points to the engine block.
> Anyway it has worked for almost 500 hours no problem. It is also very easy
> to remove the cowl.
One of the studs or the triangle pieces work-hardened and broke back in
'09 but it's flown 150+ hours since then with no problems (unless it's
broke since I sold it in '12).
The holes in the cowl that slip over the studs are strengthened with a
brass grommet, iirc.
Dan
Message 2
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| Subject: | Re: Engine Cowling Help |
Can you try posting the image again Dan?
Scott Knowlton
Sent from my iPhone
> On Jan 7, 2014, at 10:23 AM, "Dan Yocum" <yocum137@gmail.com> wrote:
>
>
>
>
>> On 01/05/2014 01:00 PM, skipgadd@earthlink.net wrote:
>>
>> Felix the GN1 has a J3 cowl. It has 3 studs attached to the firewall on
>> each side, than a piece of leather and lock pins stuck through a hole in
>> the stud. There is one on each side similar type stud/lock pins holding top
>> to bottom half of cowl. There are 2 studs on eater side of the prop hub.
>> They are bolted with a kind of bow tie shaped piece to the engine block.
>
> N8031 has a similar solution. It's hard to see in this image, but look
> closely at the triangular piece of sheet metal with a stud welded to it,
> right behind the prop:
>
> https://plus.google.com/photos/100843558075002483077/albums/5596558873691375105/5596568964201530370?banner=pwa&pid=5596568964201530370&oid=100843558075002483077
>
> The triangle is bent offsetting it toward the center line and bolted to
> the front 2 cylinder studs.
>
>
>> I always thought it was stock J3, since it has a stock J3 cowl and engine
>> mount.
>> Bingelis does say #1 page 100 "As a rule the cowling is not attached to the
>> engine"
>> Maybe it works on this plane because there are only 6 attach points cowl to
>> firewall and 2 attach points to the engine block.
>> Anyway it has worked for almost 500 hours no problem. It is also very easy
>> to remove the cowl.
>
> One of the studs or the triangle pieces work-hardened and broke back in
> '09 but it's flown 150+ hours since then with no problems (unless it's
> broke since I sold it in '12).
>
> The holes in the cowl that slip over the studs are strengthened with a
> brass grommet, iirc.
>
> Dan
>
>
>
>
Message 3
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| Subject: | Re: Corvair College 28, 28 Feb - 2 Mar 2014, San Marcos, |
TX
51 days out. More info at this link including info on lodging and registration:
https://www.facebook.com/#!/pages/Corvair-College-28-28-Feb-2-Mar-14/320305497999282
Just copy and paste the link into your browser.
--------
Kevin "Axel" Purtee
Rebuilding NX899KP
Austin/San Marcos, TX
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=416674#416674
Message 4
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| Subject: | Re: Cowl construction |
Rick I like your ideas for the cowl. mine is sure not as clean- I will probably
steal your idea for the spark plug access holes. I sure have to do something
better and had been thinking of finding some rubber plugs and doing round holes
but those covers look a lot more classic. are you flying that bird yet? wondering
what size and pitch prop you have. Raymond
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=416681#416681
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