Today's Message Index:
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1. 07:40 AM - [Spam] Nutplate Question (smbluthing@volexpress.com)
2. 03:17 PM - Re: Re: Nutplate Question (John Oliveira)
3. 05:05 PM - Re: Re: Nutplate Question (Richard E. Tasker)
Message 1
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| Subject: | [Spam] Nutplate Question |
--> RV9-List message posted by: smbluthing@volexpress.com
Subject: Nutplate Question
From: Bob Perkinson (bobperk@bellsouth.net
<mailto:bobperk@bellsouth.net?subject=Re:%20Nutplate%20Question&replyto=200502230555.j1N5t0n08056@matronics.com>)
--> RV9-List message posted by: "Bob Perkinson" <bobperk@bellsouth.net <mailto:bobperk@bellsouth.net?subject=Re:%20Nutplate%20Question&replyto=200502230555.j1N5t0n08056@matronics.com>>
Van tells us in section 5 that when installing nutplates that they are
normally installed with A426AD3. When the structure is to thin to
countersink then it should be dimpled along with the nutplate. Question.
What problems will be created if the nutplate is not dimpled, and installed
on a dimpled structure?
Bob Perkinson
Hendersonville, TN.
RV9A
If Nothing Changes
Nothing Changes!
this is what a tech told me a van's about this....he said you
you could machine countersink the back side of the nutplate...i did
this with the avery hand swivel tool with the deburing bit installed...
hope this helps....i know i have recieved much help from this list thanks all
Message 2
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| Subject: | Re: Nutplate Question |
--> RV9-List message posted by: "John Oliveira" <oliveira@frontiernet.net>
You don't need to dimple the nutplates. if you draw a diagram in cross
section you will see that the nutplate rests pretty equally on the dimpls
for the rivets and the dimple for the machine screw. When assembled,
everything is fine.
John Oliveira
----- Original Message -----
From: "Mark Schrimmer" <mschrimmer@pacbell.net>
Subject: RV9-List: Re: Nutplate Question
> --> RV9-List message posted by: Mark Schrimmer <mschrimmer@pacbell.net>
>
> Bill,
>
> Are you sure about this? I've attached dozens of nutplates to dimpled ribs
> and skins, but I haven't dimpled a single nutplate. Hope I haven't made a
> major goof!
>
> Mark
>
>
>>Question.
>> What problems will be created if the nutplate is not dimpled, and
>>installed on a dimpled structure?
>
>> The way I see it, the nutplate will not be flush with the surface it's
>> mounted to. When a screw is tightned, either the screw will be pulled
>> inward possible putting an indentation in the joining piece and piece
>> holding the nutplate or the nutplate will force the dimples with rivets
>> outwards. In either case you end up with a weak connection and probably
>> will find that the joint never stays tight. I suggest dimpling the
>> nutplates.
>> Just my $0.02 worth.
>>
>> Bill RV-9A wings
>> Ramona, CA
>>
>
>
>
Message 3
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| Subject: | Re: Nutplate Question |
--> RV9-List message posted by: "Richard E. Tasker" <retasker@optonline.net>
Good for nutplates for the 100 degree screws. Not good for the rest (a
lot) of the nutplates.
Dick Tasker
do not archive
John Oliveira wrote:
>--> RV9-List message posted by: "John Oliveira" <oliveira@frontiernet.net>
>
>You don't need to dimple the nutplates. if you draw a diagram in cross
>section you will see that the nutplate rests pretty equally on the dimpls
>for the rivets and the dimple for the machine screw. When assembled,
>everything is fine.
>
>John Oliveira
>
>
>----- Original Message -----
>From: "Mark Schrimmer" <mschrimmer@pacbell.net>
>To: <rv9-list@matronics.com>
>Subject: RV9-List: Re: Nutplate Question
>
>
>
>
>>--> RV9-List message posted by: Mark Schrimmer <mschrimmer@pacbell.net>
>>
>>Bill,
>>
>>Are you sure about this? I've attached dozens of nutplates to dimpled ribs
>>and skins, but I haven't dimpled a single nutplate. Hope I haven't made a
>>major goof!
>>
>>Mark
>>
>>
>>
>>
>>>Question.
>>>What problems will be created if the nutplate is not dimpled, and
>>>installed on a dimpled structure?
>>>
>>>
>>>The way I see it, the nutplate will not be flush with the surface it's
>>>mounted to. When a screw is tightned, either the screw will be pulled
>>>inward possible putting an indentation in the joining piece and piece
>>>holding the nutplate or the nutplate will force the dimples with rivets
>>>outwards. In either case you end up with a weak connection and probably
>>>will find that the joint never stays tight. I suggest dimpling the
>>>nutplates.
>>>Just my $0.02 worth.
>>>
>>>Bill RV-9A wings
>>>Ramona, CA
>>>
>>>
>>>
>>
>>
>>
>
>
>
>
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