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Herbgh(at)nctc.com
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 Posted: Sun Mar 22, 2015 5:22 pm Post subject: Riveting question? |
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list
What is the(desired) length of the rivets that are used to fasten
the drag strut gussett to the spar tube? There is the plate thickness,
the spar tube thickness and the H section thickness to deal with...
Obviously I can call my buds at Kolb tomorrow...but would like to
order tonight...Lots of Stainless 1/8th rivets on ebay...and yes I know
I can always use overly long ones... Herb
ps rebuilding the Firestar wings that I got from Rev. Pike...
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west1m
Joined: 19 Apr 2014
Posts: 155
Location: Hastings, MN
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| Posted: Sun Mar 22, 2015 6:52 pm Post subject: Re: Riveting question? |
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maybe this helps,
I have a complete set of plans and the book for Firestar
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West1m
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west1m
Joined: 19 Apr 2014
Posts: 155
Location: Hastings, MN
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| Posted: Sun Mar 22, 2015 6:57 pm Post subject: Re: Riveting question? |
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here is another pic
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West1m
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Herbgh(at)nctc.com
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| Posted: Mon Mar 23, 2015 4:04 am Post subject: Riveting question? |
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Thanks...but guess I did not make it clear...it is the drag strut
fitting plates, which attach the strut to the Spar tube and into the H
section..at the lift strut attach area... There are two gussets; the
thick one on the bottom of the wing and the curved thin one on the
side.. Herb
On 03/22/2015 09:57 PM, west1m wrote:
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mojavjoe
Joined: 23 Dec 2013
Posts: 64
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| Posted: Mon Mar 23, 2015 4:16 am Post subject: Riveting question? |
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hurb
my plans call for 1/8 1/8 steel rivets on the side gusset and 1/8 1/4 steel rivets on the bottom, these should be steel and not stainless
mojavjoe
From: "Herb" <Herbgh(at)nctc.com>
To: "kolb-list" <kolb-list(at)matronics.com>
Sent: Monday, March 23, 2015 8:03:56 AM
Subject: Re: Re: Riveting question?
--> Kolb-List message posted by: Herb <Herbgh(at)nctc.com>
Thanks...but guess I did not make it clear...it is the drag strut
fitting plates, which attach the strut to the Spar tube and into the H
section..at the lift strut attach area... There are two gussets; the
thick one on the bottom of the wing and the curved thin one on the
side.. Herb
On 03/22/2015 09:57 PM, west1m wrote:
[quote][b]
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Herbgh(at)nctc.com
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| Posted: Mon Mar 23, 2015 5:08 am Post subject: Riveting question? |
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Thanks...
Wondering if the steel rivets are stronger in shear? Herb
On 03/23/2015 07:15 AM, mojavjoe(at)comcast.net (mojavjoe(at)comcast.net) wrote:
[quote] hurb
my plans call for 1/8 1/8 steel rivets on the side gusset and 1/8 1/4 steel rivets on the bottom, these should be steel and not stainless
mojavjoe
From: "Herb" <Herbgh(at)nctc.com> (Herbgh(at)nctc.com)
To: "kolb-list" <kolb-list(at)matronics.com> (kolb-list(at)matronics.com)
Sent: Monday, March 23, 2015 8:03:56 AM
Subject: Re: Re: Riveting question?
--> Kolb-List message posted by: Herb <Herbgh(at)nctc.com> (Herbgh(at)nctc.com)
Thanks...but guess I did not make it clear...it is the drag strut
fitting plates, which attach the strut to the Spar tube and into the H
section..at the lift strut attach area... There are two gussets; the
thick one on the bottom of the wing and the curved thin one on the
side.. Herb
On 03/22/2015 09:57 PM, west1m wrote:
> --> Kolb-List message posted by: "west1m" <west1m(at)hotmail.com> (west1m(at)hotmail.com)
>
> here is another pic
>
> --------
> West1m
> Hastings, MN
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=439751#439751
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/dragstrut2_134.jpg
>
>
>
>
>
>
>
&nbs=================
[b]
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byoungplumbing(at)gmail.c
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| Posted: Mon Mar 23, 2015 5:55 am Post subject: Riveting question? |
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My mk 3 plans show. 1/8 x1/4 rivets on 1/2 in spacing. Where drag strut gusset attaches to Wing spar into H section my H section is uninstall chrome Molly steel. If you have thick wall aluminium H section you will probably need longer.
Boyd Young On Mar 23, 2015 6:19 AM, <mojavjoe(at)comcast.net (mojavjoe(at)comcast.net)> wrote:[quote]hurb
my plans call for 1/8 1/8 steel rivets on the side gusset and 1/8 1/4 steel rivets on the bottom, these should be steel and not stainless
mojavjoe
From: "Herb" <Herbgh(at)nctc.com (Herbgh(at)nctc.com)>
To: "kolb-list" <kolb-list(at)matronics.com (kolb-list(at)matronics.com)>
Sent: Monday, March 23, 2015 8:03:56 AM
Subject: Re: Re: Riveting question?
--> Kolb-List message posted by: Herb <Herbgh(at)nctc.com (Herbgh(at)nctc.com)>
Thanks...but guess I did not make it clear...it is the drag strut
fitting plates, which attach the strut to the Spar tube and into the H
section..at the lift strut attach area... There are two gussets; the
thick one on the bottom of the wing and the curved thin one on the
side.. Herb
On 03/22/2015 09:57 PM, west1m wrote:
| Quote: |
get="_blank">http://www.matronics.com/Navigator?Kolb-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
[b]
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byoungplumbing(at)gmail.c
Guest
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| Posted: Mon Mar 23, 2015 6:10 am Post subject: Riveting question? |
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Steel would be stronger than aluminum. But I don't know between steel and stainless steel. The stainless steel won't rust. All the pulled rivets in my kit were stainless
Boyd On Mar 23, 2015 7:10 AM, "Herb" <Herbgh(at)nctc.com (Herbgh(at)nctc.com)> wrote:[quote] Thanks...
Wondering if the steel rivets are stronger in shear? Herb
On 03/23/2015 07:15 AM, mojavjoe(at)comcast.net (mojavjoe(at)comcast.net) wrote:
| Quote: | hurb
my plans call for 1/8 1/8 steel rivets on the side gusset and 1/8 1/4 steel rivets on the bottom, these should be steel and not stainless
mojavjoe
From: "Herb" <Herbgh(at)nctc.com> (Herbgh(at)nctc.com)
To: "kolb-list" <kolb-list(at)matronics.com> (kolb-list(at)matronics.com)
Sent: Monday, March 23, 2015 8:03:56 AM
Subject: Re: Re: Riveting question?
--> Kolb-List message posted by: Herb <Herbgh(at)nctc.com> (Herbgh(at)nctc.com)
Thanks...but guess I did not make it clear...it is the drag strut
fitting plates, which attach the strut to the Spar tube and into the H
section..at the lift strut attach area... There are two gussets; the
thick one on the bottom of the wing and the curved thin one on the
side.. Herb
On 03/22/2015 09:57 PM, west1m wrote:
> --> Kolb-List message posted by: "west1m" <west1m(at)hotmail.com> (west1m(at)hotmail.com)
>
> here is another pic
>
> --------
> West1m
> Hastings, MN
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=439751#439751
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/dragstrut2_134.jpg
>
>
>
>
>
>
>
&nbs=================
get="_blank">http://www.matronics.com/Navigator?Kolb-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
[b]
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Herbgh(at)nctc.com
Guest
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| Posted: Mon Mar 23, 2015 6:13 am Post subject: Riveting question? |
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These H sections are cro molly...
I am rebuilding a set of wings...In the case of one wing the drag strut gussets were torn out and the root rib sustained damage and I replaced most of the ribs..... just a matter of match hole drilling a new set of gussets...I have the match hole strap "tool"...and it should work well..
Should be ready to cover in a day or so.. 7 rib Firestar wings.. They will be covered and in silver , ready to paint,,and will probably be for sale at a later date......Lift struts included..
I may try them on my "new to me" Firefly first......when and if I make it to Conn. to retrieve it... Any ideas as to how these wings might work on the Fly?
Herb (heading to Fastenal )
On 03/23/2015 08:54 AM, B Young wrote:
[quote]
My mk 3 plans show. 1/8 x1/4 rivets on 1/2 in spacing. Where drag strut gusset attaches to Wing spar into H section my H section is uninstall chrome Molly steel. If you have thick wall aluminium H section you will probably need longer.
Boyd Young On Mar 23, 2015 6:19 AM, <mojavjoe(at)comcast.net (mojavjoe(at)comcast.net)> wrote: | Quote: | hurb
my plans call for 1/8 1/8 steel rivets on the side gusset and 1/8 1/4 steel rivets on the bottom, these should be steel and not stainless
mojavjoe
From: "Herb" <Herbgh(at)nctc.com (Herbgh(at)nctc.com)>
To: "kolb-list" <kolb-list(at)matronics.com (kolb-list(at)matronics.com)>
Sent: Monday, March 23, 2015 8:03:56 AM
Subject: Re: Re: Riveting question?
--> Kolb-List message posted by: Herb <Herbgh(at)nctc.com (Herbgh(at)nctc.com)>
Thanks...but guess I did not make it clear...it is the drag strut
fitting plates, which attach the strut to the Spar tube and into the H
section..at the lift strut attach area... There are two gussets; the
thick one on the bottom of the wing and the curved thin one on the
side.. Herb
On 03/22/2015 09:57 PM, west1m wrote:
> --> Kolb-List message posted by: "west1m" <west1m(at)hotmail.com (west1m(at)hotmail.com)>
>
> here is another pic
>
> --------
> West1m
> Hastings, MN
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=439751#439751
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/dragstrut2_134.jpg
>
>
>
>
>
>
>
&nbs=================
|
[b]
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Herbgh(at)nctc.com
Guest
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| Posted: Mon Mar 23, 2015 6:16 am Post subject: Riveting question? |
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As I recall...the early Kolbs used steel rivets...and they worked very well..and the galvanic corrosion was not a problem as some thought...I rebuilt a MkIII and Ultrastar and both used steel rivets..Herb
On 03/23/2015 09:09 AM, B Young wrote:
[quote]
Steel would be stronger than aluminum. But I don't know between steel and stainless steel. The stainless steel won't rust. All the pulled rivets in my kit were stainless
Boyd On Mar 23, 2015 7:10 AM, "Herb" <Herbgh(at)nctc.com (Herbgh(at)nctc.com)> wrote: [b]
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ceengland7(at)gmail.com
Guest
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| Posted: Mon Mar 23, 2015 9:32 am Post subject: Riveting question? |
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Most steels are stronger than stainless. Stainless is usually 'tougher', but has less strength than high carbon steel. If you do a little googling, you can find charts that show both shear and tension strength of rivets all kinds & materials.
I fly heavier (won't say 'bigger' to avoid offending John H) homebuilts, and in that world, most of us are pretty careful about deviating from the designer's instructions in structural areas. There can even be situations where 'stronger' may actually increase risk of failure in the overall structure, so following the designer's specs is the safest path, unless we are at least as qualified at engineering as he was. 
Charlie
On 3/23/2015 9:09 AM, B Young wrote:
[quote]
Steel would be stronger than aluminum. But I don't know between steel and stainless steel. The stainless steel won't rust. All the pulled rivets in my kit were stainless
Boyd On Mar 23, 2015 7:10 AM, "Herb" <Herbgh(at)nctc.com (Herbgh(at)nctc.com)> wrote: | Quote: | Thanks...
Wondering if the steel rivets are stronger in shear? Herb
On 03/23/2015 07:15 AM, mojavjoe(at)comcast.net (mojavjoe(at)comcast.net) wrote:
| Quote: | hurb
my plans call for 1/8 1/8 steel rivets on the side gusset and 1/8 1/4 steel rivets on the bottom, these should be steel and not stainless
mojavjoe
From: "Herb" <Herbgh(at)nctc.com> (Herbgh(at)nctc.com)
To: "kolb-list" <kolb-list(at)matronics.com> (kolb-list(at)matronics.com)
Sent: Monday, March 23, 2015 8:03:56 AM
Subject: Re: Re: Riveting question?
--> Kolb-List message posted by: Herb <Herbgh(at)nctc.com> (Herbgh(at)nctc.com)
Thanks...but guess I did not make it clear...it is the drag strut
fitting plates, which attach the strut to the Spar tube and into the H
section..at the lift strut attach area... There are two gussets; the
thick one on the bottom of the wing and the curved thin one on the
side.. Herb
On 03/22/2015 09:57 PM, west1m wrote:
> --> Kolb-List message posted by: "west1m" <west1m(at)hotmail.com> (west1m(at)hotmail.com)
>
> here is another pic
>
> --------
> West1m
> Hastings, MN
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=439751#439751
>
|
|
[b]
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