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brubakermal(at)yahoo.com
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 Posted: Wed Sep 06, 2023 3:35 am Post subject: Older Firestarter hinges |
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I'm wondering what grade & thickness alluminom is used in the Firestarter hinge brackets. The part that rivets to the boom tube.
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stuart(at)harnerfarm.net
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| Posted: Wed Sep 06, 2023 4:59 am Post subject: Older Firestarter hinges |
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I think they were just using off the shelf hinges from someplace like Aircraft Spruce. When I tried to alodine the hinges on my Firefly they wouldn't take the dye. I asked Brian about it and he said they came with a clear alodine coating. I don't remember where he said they came from.
Do the plans call out anything more than the rivet spacing? I had the quick build kit and the hinges had the rivet locations dimpled and they were all pre-located on the tube and aileron so I didn't study the plans that closely. Besides it's been 10 years (Yikes).
I'd be happy to measure the Firefly hinges if that would help.
Stuart
On 9/6/23 06:34, Malcolm Brubaker wrote:
| Quote: | I'm wondering what grade & thickness alluminom is used in the Firestarter hinge brackets. The part that rivets to the boom tube.
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jaydub
Joined: 07 Jan 2020
Posts: 74
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| Posted: Wed Sep 06, 2023 5:59 am Post subject: Older Firestarter hinges |
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Hi Malcolm,
Are you asking about the metal brackets that the front of the horizontal stabilizers hinge on? If so, I think they might be steel. I can check an old Firestar boom I have. I can also ask the Kolb folks as they will be at the Midwest LSA fly-in that starts tomorrow in Mt. Vernon, IL. I don't know if there was a design change on that part through the years or not.
Jay
Sent: Wednesday, September 06, 2023 at 5:34 AM
From: "Malcolm Brubaker" <brubakermal(at)yahoo.com>
To: "kolb-list(at)matronics.com" <kolb-list(at)matronics.com>
Subject: Older Firestarter hinges
I'm wondering what grade & thickness alluminom is used in the Firestarter hinge brackets. The part that rivets to the boom tube.
Sent from Yahoo Mail on Android[https://mail.onelink.me/107872968?pid=nativeplacement&c=Global_Acquisition_YMktg_315_Internal_EmailSignature&af_sub1=Acquisition&af_sub2=Global_YMktg&af_sub3=&af_sub4=100000604&af_sub5=EmailSignature__Static_]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kolb-List |
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jaydub
Joined: 07 Jan 2020
Posts: 74
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| Posted: Wed Sep 06, 2023 6:45 am Post subject: Older Firestarter hinges |
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I did just check, if it's the part I'm thinking of, it is steel. See the photo attached. A magnet hangs onto it.
Jay
Sent: Wednesday, September 06, 2023 at 7:58 AM
From: "Jay Dub" <bearhawk(at)gmx.com>
To: kolb-list(at)matronics.com
Subject: Re: Older Firestarter hinges
Hi Malcolm,
Are you asking about the metal brackets that the front of the horizontal stabilizers hinge on? If so, I think they might be steel. I can check an old Firestar boom I have. I can also ask the Kolb folks as they will be at the Midwest LSA fly-in that starts tomorrow in Mt. Vernon, IL. I don't know if there was a design change on that part through the years or not.
Jay
Sent: Wednesday, September 06, 2023 at 5:34 AM
From: "Malcolm Brubaker" <brubakermal(at)yahoo.com>
To: "kolb-list(at)matronics.com" <kolb-list(at)matronics.com>
Subject: Older Firestarter hinges
I'm wondering what grade & thickness alluminom is used in the Firestarter hinge brackets. The part that rivets to the boom tube.
Sent from Yahoo Mail on Android[https://mail.onelink.me/107872968?pid=nativeplacement&c=Global_Acquisition_YMktg_315_Internal_EmailSignature&af_sub1=Acquisition&af_sub2=Global_YMktg&af_sub3=&af_sub4=100000604&af_sub5=EmailSignature__Static_]
tronics.com/Navigator?Kolb-List]
tribution]
| | - The Matronics Kolb-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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