World Record Trailer Build (1 Viewer)

[KYNate]

Welcome back!

I know, I know! Three kids 6 and under really kill the timeline on projects - that and a lack of hustle!

 

[KYNate]

Really need to do a Free Body Diagram (FBD) to see how it all works. It is too bad that the M.M. Smith book on building trailers is out of print and expensive because it does a great job of making this as simple and easy to do as possible. The various Rules of Thumb out there for trailer building all fall apart in some specific instances. An FBD makes it easy to see if you're in one of those situations or not.

In the case of a single tube tongue the dimension of the tube is crucial to its bending strength in both the vertical and the horizontal. Wall thickness buys you a lot LESS bending strength for the same weight than does increasing the size of the tube. An example (if I've done the math right)-
A 12" long tube supported at each end with a 1000 lbs point load at the center:

2 X 2 X 3/16" wall tube bends .008" at the center & weighs 4.6 lbs/ft

2 X 2 x 1/4" wall tube bends .008" at the center & weighs 6.0 lbs/ft

2.5 X 2.5 X 3/16" tube bends .003" at the center & weighs 6.0 lbs/ft

Don't look at how small those bending numbers are, look at how the 2.5" tube bends less than half of what the 2.0" tube does when under the same load.

That is incredible detail! Thank you!

 

[KYNate]

Had a guy with a tube bender make the removable rack for me. Also added a rock slider to the tongue to help alleviate concerns about its rigidity. I attempted to get it doing the death wobble and she wouldn't budge - came right back to center in one swing.

 

[KYNate]

Fenders are on. Lights, tailgate, finish floorboard. Then paint! That should be all until I have no excuse but to use it!

 

[yotasavg]

Sweet build, nice work!

 

[FJBen]

Nice grasshopper

 

[KYNate]

Almost done!
Wired, painted, Raptor-lined (interior), cap mounted, matching 100 series wheels.
Rack is being painted, but should be to totally done this week!

 

[KYNate]

Shes done! Well, mostly. I'm actually switching to some 16" wheels I have so it's easier to buy replacements when she arrives at final destination. Taking a boat ride to West Africa in October.

I purchased the first parts for this build in May of 2018.

I'm working on another trailer now but started with a carcass and keeping simplicity as the key!

 

[KYNate]

Rtt mounted and ready for the Kentucky Toyota Land Cruiser Association trail ride next weekend!

 

[KYNate]

Here is the last pic I have of the trailer. Back in October before it was loaded onto a container. I did receive word the container arrived at the port in Liberia. Hope to update with pics of it in use in Africa in the next couple weeks. I added a solar panel/controller/battery and a black roof-mounted water tank for passive water heating to shower with.