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  #1  
Old 10-02-2019, 02:59 PM
jdog0411 jdog0411 is offline
 
Join Date: Aug 2019
Location: Parker, Colorado
Posts: 43
Default Probably dumb question about the Van's practice kit rivets

Hi everyone,

Just got my Van's practice control surface kit (ordered 2 of them actually), and have a dumb question. The rivets that came with the kit are in 5 little baggies, and they are labeled "Bag Class Training 1, 2, 3" etc. They aren't labeled with the rivet code, or size in inches or anything. I can go about measuring them with a caliper to figure out what size they are I guess, but I'm not sure how accurate my caliper is.

For anyone who has put together the practice kit, do you know what rivet sizes are in what bag? This is my first time really ever laying eyes on rivets, so I'm not able to just judge their size by looking at them yet.

Thanks in advance.
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  #2  
Old 10-02-2019, 03:21 PM
Robin8er Robin8er is offline
 
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Location: Socal
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It's been forever since I built that thing, but I do believe they are labeled. Look a little closer, It's usually in small font in the middle of the bag. I'd be surprised if they didnt label it.
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  #3  
Old 10-02-2019, 03:23 PM
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wjb wjb is offline
 
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Location: Half Moon Bay, CA
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Van's does this alot ... kits for individual sub-assemblies. I prefer to have all my parts sorted by type, so I generally split open the kits and sort the parts into individual bins.

You should have no trouble measuring the rivet length with almost any caliper. They step in 1/16" increments (except for the 3-3.5, which is 1/32 longer than the 3-3). If you're so inclined, dump all the bags in a pan and sort.

Fortunately, for the larger kits, the rivets come by the pound in their own individual bags. No sorting necessary there. After working with them a bit, you'll be able to eyeball easily the difference between a 3-3, 3-3.5 and a 3-4 rivet. You'll achieve rivet "perfect pitch".
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Last edited by wjb : 10-02-2019 at 03:45 PM.
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  #4  
Old 10-02-2019, 04:27 PM
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FloMo14Builder FloMo14Builder is offline
 
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Location: Flower Mound, TX
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My rivet bags for the practice kit not only said Class Training Bag 1 etc.. but on the next line or two or three it listed the various sizes of rivet in that bag.
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  #5  
Old 10-02-2019, 05:28 PM
jdog0411 jdog0411 is offline
 
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Location: Parker, Colorado
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Unfortunately, they neglected that part on these. Just says the bag number, a barcode, and a date. Thanks Vans.

I'm almost wondering if these were originally intended for a Vans workshop or something, rather than being labeled for the practice kit.

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  #6  
Old 10-02-2019, 07:12 PM
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wirejock wirejock is offline
 
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Location: Estes Park, CO
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Default Rivets

When in doubt, insert in the hole and use a rivet gauge or caliper to measure. You should have 1.5D. If my memory is working that's about .140" protruding (.09375 X 1.5) Good practice anyway. Not that Vans would ever spec the wrong length rivet.
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  #7  
Old 10-02-2019, 07:22 PM
jdog0411 jdog0411 is offline
 
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Ok, guess I'll have to do this the hard way, although I suppose that is good practice.
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  #8  
Old 10-02-2019, 07:25 PM
David Paule David Paule is offline
 
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Location: Boulder, CO
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I think that Van's often mixes parts in a bag. They sure did for my RV_3B kits. Of course the RV-3B generally gets a hair less respect on parts than the newer kits (although good builder support).

Learn to measure the rivets. It'll pay off down the road.

Dave
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  #9  
Old 10-02-2019, 07:34 PM
DaveLS DaveLS is offline
 
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For the solid rivets,

Separate by eye into stem width 3/32, or 1/8 inch,

Then by factory head type, flat or round,

Then separate, again by eye, by stem length.

Measure one of each group,

Should now be able to label the rivets with the correct nomenclature.

Really not a bad learning exercise.

Same approach works for pulled rivets.

Vans often put different rivets, nuts, screws, washers, (and other small stuff) in the same parts bag for my RV12 build.


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  #10  
Old 10-02-2019, 07:36 PM
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wjb wjb is offline
 
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Quote:
Originally Posted by jdog0411 View Post
Unfortunately, they neglected that part on these. Just says the bag number, a barcode, and a date. Thanks Vans.
At least they look all the same (3-4's I think!). Yea, labeling is not too helpful, but they are easy to measure, either prior or with a gauge after insertion like Larry said.

Thought the early kits are have very detailed instructions, the later ones have less detailed instructions, like "install engine and avionics" ... requires extra study by the student using other sources of info (this forum, other hombuilding books, hangar neighbors, etc)

It's all about recreation and education! It's a fun journey .. roll up your sleeves and dig in!
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