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Articles & Build Tips – From the Mechanic

Join the discussion with the Mechanic on DIY Project topics including News, Build Tips and Engineering Perspective.  DIY is our specialty.  Trailers, Shop Tools, Cranes, and more. Enjoy the articles, then comment when things catch your attention.  To filter the articles, select a category from the top line.  For a subject you want to see, please request it.  This site is for you.
Small Dumper with 7000 lbs Total Capacity for DIY

A capable dump trailer does not have to be large or tandem axle.  For many jobs, a compact single-axle design is easier to maneuver and requires less tow vehicle than a full-size dumper.  If you have been looking for a dump trailer to build

10 Questions Before Buying A Trailer

I bumped into a few articles recently that all start with a title something like “10 Questions to Ask Before Buying a Trailer”.  Just for giggles, I clicked on a few, and found some self-serving salesman oriented questions meant to promote their sales.  Many of the questions are not at all what the customer should…

Trailer and Tow Vehicle Size Comparison

On a whim, I started comparing common trailer sizes to each other and to the vehicles pulling them.  The visual trailer size comparison is interesting, but the stimulus for this article comes from the familiar buying question:  “For just a little more money, should I get the bigger trailer?”

Homemade Trailer Inspection

As you are finishing your homemade trailer build, it is easy to get excited about putting the trailer to use.  Often the one last hurdle is getting it is all legal for towing – trailer inspection, title, registration, and licensing.

Can I change the trailer plans?

Can I change the trailer plans?  We say:  Build the trailer you want – start with our plans, then make it yours. Yes, we sell trailer plans, a lot of them.  But we also know a trailer build is personal.

Engineering in an I-Beam Trolley for a Gantry Crane

What do you know about an I-Beam trolley?  They are usually a pretty simple device with 4 wheels and a hook bar.  There is not a lot to them – right?

Compare trailer axle types by features and performance.

When people talk about trailer axle types, they often mean suspension types.  There are leaf spring suspensions, air ride, torsion axles, axle-less designs, and mechanisms like a walking beam.  While each supports the trailer

Engineering of Gooseneck Trailers

What is the attraction to gooseneck trailers?  We see them most often on larger, heavy duty applications.  Yet, other than the hitch location, are they really any different than a bumper-pull trailer?

Questions that need Engineering Answers

DIY builders are some of the most capable, creative people.  At Mechanical Elements, we applaud what you do.  Building is fun, yes, and a great way to create something you can’t buy – which is awesome.  Yet, questions do arise, and some questions need engineering answers.

How To Prevent Aluminum Trailer Frame Failure

Design is the beginning of every project – true for both the good things and the bad.  When something breaks, we often say “That is a bad design.”  The key to prevent aluminum trailer failure starts with understanding