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.
Compare trailer axle types by features and performance.

When people talk about trailer axle types, they often mean trailer 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 and positions the wheels, they do it in different ways.  This can make choices, a bit confusing. In this article…

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 out there.  Here at Mechanical Elements, we applaud what you do.  Building is fun, yes, and a great way to create something you can’t buy.  We see that every day.  Of course,

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

Do I need a CDL?

You have the heavy-duty pickup, and you have built the perfect trailer.  Now you are ready to haul – but someone mentions, “You might need a CDL for that.”  Wait, what?  But, this is for my personal use!?!  It’s not commercial. The Commercial Driving License (CDL) is not just for semi-trucks, and it is not…

Versions of Trailer Frame Around The Wheels

Trailer frames typically fall into one of three styles:  – 1) Wheels outboard of the trailer frame;  2) Trailer frame side extension around the wheels;  or  3) Trailer deck over the wheels.  These 3 are in the image above, left to right.

Choosing Trailer Tires Specs

It seems like choosing trailer tires should be easy.  Yet, finding the right tires for your situation means deciphering code hidden in plain sight on the sidewall.  Get it right, and you will significantly reduce

Bent Beam of Weak Trailer Tongue

This real-world example of failure shows how a weak trailer design can lead to dangerous problems.  This family was lucky, yet they paid a price. If you are shopping for a trailer, this story is for you – to learn before you buy.

Lightweight Teardrop Camper Chassis

Every great adventure starts at the beginning – and that includes each Mini Camper, Teardrop Trailer, and Bug-Out style rig.  They all have some unique needs.  Yet, one thing all have in common – they each need a solid chassis as a foundation.

Trail 70 with Motorcycle Trailer

While this customer story is a little outside the normal, it is certainly a fun way to think about trailers.  Sit back and enjoy the story of a small bike, and the fun motorcycle trailer.  With fun photos.  Here is the story.