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Old 10-16-07, 12:33 PM   #211
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Its the corrosion i am trying to avoid, plus you cant find a grade 8 in a socket head :( and the hex heads don't look as nice.

That said, I will tak strength over looks anyday.

Thanks for all the advice fellas!

Drew


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Old 10-16-07, 02:03 PM   #212
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Fasteners

You might want to look through this reference:

http://www.mcmaster.com/

Scroll down to Fasterners and Sealing and then click on bolts.

You may not want to order the bolts from them (it's always nicer to go down to the store and pick them up) but it is a good reference for what is available. They list the tensile strength of the bolts so that you can compare the strength.

Steve
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Old 10-16-07, 08:21 PM   #213
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Originally Posted by SPM_Ltd View Post
You might want to look through this reference:

http://www.mcmaster.com/

Scroll down to Fasterners and Sealing and then click on bolts.

You may not want to order the bolts from them (it's always nicer to go down to the store and pick them up) but it is a good reference for what is available. They list the tensile strength of the bolts so that you can compare the strength.

Steve

Hey Drew...just in case you haven't found them already MC lists "Ultra Corrosion Resistant" hex ("allen") cap screws that have almost 30% higher tensile strength than same size in Grd 8!


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Old 10-17-07, 09:30 PM   #214
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Originally Posted by REZARF View Post
I use anti sieze on everything anyways

I am leaning towards the grade 8 now...

Thanks
IMHO grade 5 is as far as you should go. in the sport of wheeling the weight of the vehicles and what even the rock buggys do an grade 8 is more likely to fail due to shearing than a grade 5.

The theory on this is a standard bolt is too soft and smears, a grade 8 is too hard and will shear off without warning. A grade 5 will shmear a little before and appear loose before complete failure.

Just what we have been using in the northern midwest area the last 15 years.


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Old 10-18-07, 02:17 PM   #215
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Great point man, thanks.

Drew


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Old 10-18-07, 03:28 PM   #216
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any new pics?


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Old 10-18-07, 10:31 PM   #217
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Quote:
Originally Posted by Niner View Post
IMHO grade 5 is as far as you should go. in the sport of wheeling the weight of the vehicles and what even the rock buggys do an grade 8 is more likely to fail due to shearing than a grade 5.

The theory on this is a standard bolt is too soft and smears, a grade 8 is too hard and will shear off without warning. A grade 5 will shmear a little before and appear loose before complete failure.

Just what we have been using in the northern midwest area the last 15 years.
This has been debated over and over again on Pirate and I will still take a Grade 8 over a Grade 5 any day of the week. The Grade 5 may "shmear" as you say, but the Grade 8 wouldn't be phased at that same load. It's not like they ultimately fail at the same load and one warns you while the other doesn't. The grade 8 is significantly stronger.


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Old 10-18-07, 11:40 PM   #218
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This has been debated over and over again on Pirate and I will still take a Grade 8 over a Grade 5 any day of the week. The Grade 5 may "shmear" as you say, but the Grade 8 wouldn't be phased at that same load. It's not like they ultimately fail at the same load and one warns you while the other doesn't. The grade 8 is significantly stronger.
Same opinion here. But hey...it's your trailer .


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Old 10-19-07, 01:29 AM   #219
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not that it makes any difference it seems almost att the bolts and harware on my m101 is grade 8


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Old 10-19-07, 12:16 PM   #220
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If the grade 8 shears, I will have bigger problems than the box coming off the trailer!

I have landed on the grade 8, it is cheaper, and stronger. The books say a standard stainless bolt is around a SAE Grade 2!

Grade 8 gives me peace of mind, I just need to find a few that are corrosion resistant.

Thanks!


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Old 10-19-07, 12:29 PM   #221
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Originally Posted by REZARF View Post
If the grade 8 shears, I will have bigger problems than the box coming off the trailer!

I have landed on the grade 8, it is cheaper, and stronger. The books say a standard stainless bolt is around a SAE Grade 2!

Grade 8 gives me peace of mind, I just need to find a few that are corrosion resistant.

Thanks!

See #213 above...


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Old 10-19-07, 08:52 PM   #222
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Thanks Bro! I checked it out but it said they were unrated, I didn't check the tensile strength of the grade 8's by comparison. Thanks again man!

Drew


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Old 10-21-07, 12:09 AM   #223
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Got to work on the trailer for a few hours today, I was excited to get a few things nailed down design wise. I think I have decided to make provisions for a lifting lid, even though I might not make it functional right now.

Today I worked on the main cargo "cage" and some of the side supports. Time was spent thinking through some of the hard mounted items that need to be fitted and accounted for. The propane tanks being the biggest. I also wanted to figure out a way to install the sliding track that I have for cargo tie down points that I got from a RS Club member, thanks Brian!

A few other things got done as well... onto the pics!

First off, I got the cage straight and measured and bolted down. I have a set of the ultra corrosion resistant bolts on the way, thanks again supressomon! Those will get swapped on once they arrive.

Then I drilled a 1.5" hole to pass wiring and plumbing inside the frame rails and out of harms way.
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Old 10-21-07, 12:50 AM   #224
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Next was a mock up of the latches I am going to use. They are from the RV market and are a real quality piece, I just wanted to see what kind of strikers I am going to need.
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Old 10-21-07, 12:55 AM   #225
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In this next pic you can see the tie down system I am using. It is made by Hi-Lift and is ubber nice. They have an extruded aluminum track that allows tie downs to be slid along its length then they spring into place at a given interval. I am super stoked about this track system.

I am going to sandwich this tie down rail between to structural rails for a few reasons. First, I think it will be strongest like that, and second, I think it will look sweet with the black rail running down the length of the trailer. You can see in the pic that I will have enough left over to do the same thing for the short box up front!

The second pic you can see the top rail and the track, I will add a lower rail tomorrow if I have some time. The last pic is where I ended up tonight, man the garage gets SO messy after a day of working in it!

Hopefully I will get the lid started if not finished framing out tomorrow. I still need to order the piano hinges for the side door, tailgate, lid, and the front box. Then I can get the box wrapped up.
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Old 10-21-07, 08:25 AM   #226
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Drew....you may want to pick up some wire grommets before fishing those wires through your trailer holes. You might be able to find some nice grommets at an electrical supply store. The rubber covers the burred holes you just cut into the tailight areas. The rubber will protect the wires from chaffing.....shorts...etc.

HTH
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Old 10-21-07, 10:40 AM   #227
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Planning on it, thanks! I am going to run everything in loom and every pass through will have a fitted grommet as well.


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Old 10-21-07, 05:59 PM   #228
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Planning on it, thanks! I am going to run everything in loom and every pass through will have a fitted grommet as well.
What's a loom?
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Old 10-21-07, 06:05 PM   #229
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What's a loom?
The plastic corrogated tubing with a split down the side that wires go into to avoid chaffing and looking like a mess.


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Old 10-21-07, 06:06 PM   #230
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I think it is used for weaving.
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Old 10-21-07, 06:09 PM   #231
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So today I wanted to get the tie down system done, and I did.

I had to measure and cut the bottom tubes to fit, and then stuff the tie down rail between the two tubes. However, if I made it fit too tight, then I would have to mess up the paint when installing it for the final time. So I took some scrap 16ga. sheets and spaced the pieces to give me enough paint clearance when it comes time to bolt it up.
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Old 10-21-07, 06:27 PM   #232
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I can't say enough of how nice this slide-n-lock system is. Here are a few detail shots...
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Old 10-21-07, 06:32 PM   #233
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I started to play around with the lid layout today. I am going to use a 2x1" 16ga tubing around the lid edges so I can overhang it by 1". This will give me some rain protection, and a place to mount my Yakima rack system. I plan on running a "gutter" piece (angle steel) along the entire length of each side.

Here is a rough layout...
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Friends don't let friends drive Thornbirds...

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Old 10-21-07, 06:33 PM   #234
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Quote:
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I think it is used for weaving.
Yup, that is what I am running all my wires in! LOL


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Friends don't let friends drive Thornbirds...

My camping trailer build up thread.
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