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Rivet guide does not show sizes?? #72307
04/10/06 11:21 AM
04/10/06 11:21 AM
Joined: Apr 2005
Posts: 292
Ontario, Canada
Captain_Dave Offline OP
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Here is a pesky problem. I have a good number of Hobie rivets, but when I received them, they weren`t labelled or sorted - they were all mixed together. Now I am unsure how to match the appropriate rivet to the appropriate part/application. I have the rivet guide from Hobie, but unfortunately it gives no hint of how to identify rivets by their dimentions (ie. length X diameter).

Can anyone provide specifics?


Thanks

Dave

-- Have You Seen This? --
Re: Rivet guide does not show sizes?? [Re: Captain_Dave] #72308
04/10/06 11:41 AM
04/10/06 11:41 AM
Joined: Jul 2005
Posts: 306
St. Louis, MO
hobienick Offline
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When I do this, I take the part number from the rivit guide and look at the price list in the back of the catlog. That gives the dia, length, and material of the rivit.

Hope this helps...


Nick

Current Boat
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Previous Boats
'84 H16
'82 H18 Magnum
'74 Pearson 30
St. Louis, MO
Re: Rivet guide does not show sizes?? [Re: hobienick] #72309
04/10/06 12:13 PM
04/10/06 12:13 PM
Joined: Apr 2005
Posts: 292
Ontario, Canada
Captain_Dave Offline OP
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Ahhhhh....yup! That definitely helps. I guess that`s what the smart folks call cross-referencing!

Good stuff - just printed it out for the toolbox.

Thanks

Dave

Re: Rivet guide does not show sizes?? [Re: Captain_Dave] #72310
04/10/06 02:50 PM
04/10/06 02:50 PM
Joined: Apr 2005
Posts: 292
Ontario, Canada
Captain_Dave Offline OP
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Nick,

I just went through and cross-referenced the Hobie rivets as you suggested. The main rivet sizes are Monel 6-4, 6-6, 6-8, and 6-10.

Having no real experience with these rivet identifiers, can you tell me how to derive length and diameter from these numbers? By the look of things, and from the few rivets I`ve already replaced, the diameters of those above are all the same - only the length varies. So, what`s a 10 length or a 4 length for example.


Dave

Re: Rivet guide does not show sizes?? [Re: Captain_Dave] #72311
04/10/06 05:29 PM
04/10/06 05:29 PM
Joined: Jul 2005
Posts: 306
St. Louis, MO
hobienick Offline
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I have no idea what those numbers mean. Usually when buying pop (blind) rivits you get a range of thicknesses they will work for, but that won't work here (ie 6-6).

Since they come in 1/16" in dia encrements and 1/8" length increments it might be as follows:

6-6 is 6/16" (3/8") dia and 6/8" (3/4") long.
6-4 is 6/16" (3/8") dia and 4/8" (1/2") long.

Maybe someone else can shed some light on this.


Nick

Current Boat
Looking for one

Previous Boats
'84 H16
'82 H18 Magnum
'74 Pearson 30
St. Louis, MO
Re: Rivet guide does not show sizes?? [Re: Captain_Dave] #72312
04/10/06 05:33 PM
04/10/06 05:33 PM
Joined: Jan 2004
Posts: 152
Central Texas
yoh Offline
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Could it be mm (as in millimeter). I remember having the same problem. I found pretty much only one common diameter for the SS rivets used on a hobie 16. I ended up using only the longest and the second to the longest rivet style - and the selves of course where needed. actually sometimes I used the sleves for "shimming" widened rivet holes.

Patrick


Patrick, Hobie 16 '85
Re: Rivet guide does not show sizes?? [Re: yoh] #72313
04/10/06 05:35 PM
04/10/06 05:35 PM
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St. Louis, MO
hobienick Offline
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A 6mm dia rivet is about 1/4" dia. I don't think there are any rivets that large on the H16


Nick

Current Boat
Looking for one

Previous Boats
'84 H16
'82 H18 Magnum
'74 Pearson 30
St. Louis, MO
Re: Rivet guide does not show sizes?? [Re: hobienick] #72314
04/10/06 06:11 PM
04/10/06 06:11 PM
Joined: Apr 2005
Posts: 292
Ontario, Canada
Captain_Dave Offline OP
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I am glad to see that my question was not as "dumb" as I thought it might be.

The problem remains though. I have a little bag of several sizes of Hobie rivets with no way of really identifying them.

I wondered if the second number was a millimeter measurement, but I just don`t know and it seems silly to guess - there must be a measurement correlation.

I looked through past posts and it seems the question has never been answered fully and the issue has been carefully "danced" around on several occassions. Apparently, I`m not the only one reluctant to admitt that they don`t know what those little numbers (ie. 6-6) actually mean. Hopefully we can "crack the code" of the rivet here! And, what an accomplishment it would be!


Dave

Re: Rivet guide does not show sizes?? [Re: Captain_Dave] #72315
04/10/06 06:39 PM
04/10/06 06:39 PM
Joined: Jun 2001
Posts: 1,252
California
mmiller Offline
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6-6 is read (Diameter - "Effective" Grip Length) Effective grip length is less than the length of the rivet tube.

6-6 rivets are 3/16" diameter x 3/8" grip length.

Diameter is by 1/32" increments (6/32" = 3/16")

Grip length is by 1/16" increments (6/16" = 3/8")

Looks like the rivets are 1/8" longer than the "Grip Length". The pin has to pull into the rivet tube a bit to expand it enough to work. I measured a 6-10 rivet tube length as 6/8" (grip length is quoted as 5/8" ).


Hobie Cat Forums
Matt Miller
Hobie Cat Company
Re: Rivet guide does not show sizes?? [Re: mmiller] #72316
04/10/06 06:58 PM
04/10/06 06:58 PM
Joined: Apr 2005
Posts: 292
Ontario, Canada
Captain_Dave Offline OP
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The code has been cracked!

Thanks Matt. I was kind of hoping you would save the day.

That certainly clears things up. Now I can determine what the various rivet shank lengths are supposed to be. Then I can match them up to the Hobie part number on the Hobie rivet guide, and ultimately use the correct rivet for the job.

Many thanks.

I have a feeling that Newbies for many moons to come will be accessing and printing this post!


Dave


Re: Rivet guide does not show sizes?? [Re: mmiller] #72317
04/10/06 09:09 PM
04/10/06 09:09 PM
Joined: Dec 2005
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Albuquerque NM
Banzilla Offline
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Herrrreeee he comessss to savvvve the daayyyyy, Miiighty Matt is on the wayyyyyyyy!!!!


[b] Sail Like you have a Pair
Re: Rivet guide does not show sizes?? [Re: Captain_Dave] #72318
04/10/06 09:55 PM
04/10/06 09:55 PM
Joined: Nov 2005
Posts: 5,582
“an island in the Pacifi...
hobie1616 Offline
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Matt,

Where does Hobie get their rivet casings? TIA


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Re: Rivet guide does not show sizes?? [Re: hobie1616] #72319
04/11/06 09:30 AM
04/11/06 09:30 AM
Joined: Jun 2001
Posts: 1,252
California
mmiller Offline
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Casings? The sleeves for waterproofing and expanding the diameter? I can check later.


Hobie Cat Forums
Matt Miller
Hobie Cat Company
Re: Rivet guide does not show sizes?? [Re: mmiller] #72320
04/11/06 09:58 AM
04/11/06 09:58 AM
Joined: Nov 2005
Posts: 5,582
“an island in the Pacifi...
hobie1616 Offline
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Quote
Casings? The sleeves for waterproofing and expanding the diameter? I can check later.
That's them. Thanks for looking.


US Sail Level 2 Instructor
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Re: Rivet guide does not show sizes?? [Re: hobie1616] #72321
04/11/06 03:34 PM
04/11/06 03:34 PM
Joined: Jun 2001
Posts: 1,252
California
mmiller Offline
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http://www.howardengineering.com

I doubt they sell to the retail market though. We order by the 100,000.



Hobie Cat Forums
Matt Miller
Hobie Cat Company
Re: Rivet guide does not show sizes?? [Re: mmiller] #72322
04/11/06 07:21 PM
04/11/06 07:21 PM
Joined: Nov 2005
Posts: 5,582
“an island in the Pacifi...
hobie1616 Offline
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Quote
http://www.howardengineering.com

I doubt they sell to the retail market though. We order by the 100,000.

How many years does that hold you?


US Sail Level 2 Instructor
US Sail Level 3 Coach
Re: Rivet guide does not show sizes?? [Re: hobie1616] #72323
04/12/06 08:33 AM
04/12/06 08:33 AM
Joined: Jul 2005
Posts: 306
St. Louis, MO
hobienick Offline
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One thing I have found is that Hobie doesn't price it's fasteners much different than any industrial supplier. So, for small numbers of fasteners, there is no reason to not get them from Hobie. I have tried to find the rivet "shims" elsewhere and I can't get them in small numbers for a reasonable price.


Nick

Current Boat
Looking for one

Previous Boats
'84 H16
'82 H18 Magnum
'74 Pearson 30
St. Louis, MO
Re: Rivet guide does not show sizes?? [Re: hobie1616] #72324
04/12/06 11:23 AM
04/12/06 11:23 AM
Joined: Jun 2001
Posts: 1,252
California
mmiller Offline
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Quote
How many years does that hold you?


That would be a couple years supply here.


Hobie Cat Forums
Matt Miller
Hobie Cat Company

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