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 Post subject: Riveting floor panel
PostPosted: May 6, 2019, 1:49 pm 
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Joined: December 6, 2017, 2:20 pm
Posts: 111
Location: San Jose, California
Hi All,

I got Stainless Steal Rivets 1/8" diameter with a .095 aluminum floor. Is there a recommended rivet spacing I should follow?


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 Post subject: Re: Riveting floor panel
PostPosted: May 6, 2019, 2:40 pm 
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Joined: April 12, 2012, 11:56 am
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Location: Pemberton, BC
1 inch to 1 1/2 should be fine. Probably overkill, but then, that's what we do. :shock:


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 Post subject: Re: Riveting floor panel
PostPosted: May 6, 2019, 3:02 pm 
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Joined: December 6, 2017, 2:20 pm
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Location: San Jose, California
Is it good to split both sides or join them together? I plan to make the top part of the transmission tunnel accessible.


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 Post subject: Re: Riveting floor panel
PostPosted: May 6, 2019, 3:04 pm 
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Joined: December 1, 2013, 10:48 pm
Posts: 55
Location: Atlanta GA
thehiddenproject wrote:
Is it good to split both sides or join them together? I plan to make the top part of the transmission tunnel accessible.


Split it. I kept mine together and heat build up is much higher than when I removed it


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 Post subject: Re: Riveting floor panel
PostPosted: May 6, 2019, 3:39 pm 
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Joined: May 27, 2006, 9:46 pm
Posts: 1938
Location: BC, Canada. eh?
I split mine, too. Access to the driveshaft's U-joints, brake & fuel lines, electrics, etc. is infinitely easier when it's open at the bottom, as well as being able to take off the tunnel top. I'm all about access, because Murphy's Law categorically states that the instant I permanently enclose something, I will immediately need to get in there again.

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 Post subject: Re: Riveting floor panel
PostPosted: May 7, 2019, 2:26 pm 
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Joined: December 6, 2017, 2:20 pm
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Location: San Jose, California
Decided to split it. Thanks guys. Ill be back later!


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 Post subject: Re: Riveting floor panel
PostPosted: May 9, 2019, 1:05 am 
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Joined: January 11, 2017, 11:06 pm
Posts: 96
Location: Alberta
mgkluft wrote:
1 inch to 1 1/2 should be fine. Probably overkill, but then, that's what we do. :shock:



That.. is a LOT of Clecos! :shock: Though I suppose that many would come in handy for aircraft work...


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 Post subject: Re: Riveting floor panel
PostPosted: May 9, 2019, 1:23 am 
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Joined: March 19, 2011, 10:22 am
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Location: Holden, Alberta, Canada
mgkluft wrote:
1 inch to 1 1/2 should be fine.


That's good spacing, in aircraft talk that should satisfy the Vne (Velocity to Never Exceed). Google that........

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 Post subject: Re: Riveting floor panel
PostPosted: May 10, 2019, 4:10 am 
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Joined: May 27, 2006, 9:46 pm
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Location: BC, Canada. eh?
After looking at that picture ^^^, now we know why there's a worldwide shortage of Clecos!! :lol:

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 Post subject: Re: Riveting floor panel
PostPosted: May 10, 2019, 11:05 am 
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zetec7 wrote:
After looking at that picture ^^^, now we know why there's a worldwide shortage of Clecos!! :lol:
At the risk of sounding PC, a more "sustainable" approach is to only Cleco every other hole and/or once the panel is Cleco'd into position rotate a few extras to the area being riveted. On the other hand, use 'em if you've got 'em :D

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 Post subject: Re: Riveting floor panel
PostPosted: May 10, 2019, 2:05 pm 
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horchoha wrote:
That's good spacing, in aircraft talk that should satisfy the Vne (Velocity to Never Exceed). Google that........
I thought Vne stood for Very Near Extinction. Because, at that speed, you are...

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 Post subject: Re: Riveting floor panel
PostPosted: May 10, 2019, 10:38 pm 
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Joined: June 13, 2014, 11:55 am
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I Bought 50 Clecos.
I found that enough to rivet a 120 rivet panel OK While sikaflexed...

I reckon more would have caused timing issues unless I had someone with me...


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 Post subject: Re: Riveting floor panel
PostPosted: May 11, 2019, 12:29 am 
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Joined: March 19, 2011, 10:22 am
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Location: Holden, Alberta, Canada
ChanoquinII wrote:
I Bought 50 Clecos.

LOL you can never have enough Cleco's, BUT you'll wonder how you ever fitted panels without them.
IMHO 50 Cleco's would be enough for 150 holes, that's plenty.

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 Post subject: Re: Riveting floor panel
PostPosted: May 11, 2019, 10:28 am 
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Just a comment: With almost everyone splitting the floor pan in 2 pcs, I'm surprised I have not seen people weld a continuous flange along the inside of the tubes. Then drop multiple aluminum pcs for the floor in from above, resting on those flanges. This should eliminate 1) the worry about how many rivets are needed to keep the floor from falling off. Alternatively just use polyurethane adhesive; 2) the worry about water intrusion to the tubes from the rivets; and 3) the need for using expensive Cherry rivets for strength. The MGA uses flanges like that using a wood floor screwed in a few places to the flanges. So does the MGB but they use a steel floor pan spot welded to the flange.

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 Post subject: Re: Riveting floor panel
PostPosted: May 15, 2019, 3:30 pm 
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Joined: March 30, 2011, 7:18 am
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Location: central Arkansas
That just ain't right...

Other than that, the only real objections I can come up with is that would be a whole lot of welding along the edge of the flange, and that the only thing preventing road debris from pushing the floor up into your legs would be the adhesive bond. Given the claims for some modern adhesives it might not be anything to worry about, though.


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