Sunday, April 26, 2009

Ghetto Metal Fabrication

Back to the rototiller I got for free a few weeks ago. I didn't notice it right away, but there was no shield around the tiller blades. This wouldn't keep it from operating, but it would make using it a very dirty operation for me as it would throw dirt all over me.

Time to do a little metal fabrication!

A few years back I did a lot of metal fabrication in the garage of our previous house. This Humvee replica was built on a Chevy Suburban chassis. Everything brown was fabricated from scratch. The cammo parts are military surplus, and the doors are replicas. Compared to this, a dirt shield for an old rototiller should be a piece of cake!

First step was to remove the motor from the tiller. Four bolts and the throttle cable were removed in about 5 minutes.

The lower unit only needed a little de-greasing.

I had enough spare sheet metal laying around to do this, but most of my metal working tools are still packed up. This was a pretty simple job so I went with hand tools. Aviation snips, a 24" x 24" sheet of aluminum, a 3 pound mallet, and cordless drill is all I needed.

The back end of the sheet was cut to fit over the frame and the sides were bent down. The aluminum bends easily, so I didn't have to use a metal brake.

It's probably wider than it needs to be, but I can easily trim it back later after I try it out for the first time. As it sits now it should easily keep me from getting covered in dirt. Total work time, about 90 minutes.

The thin metal would benefit from a couple of beads being rolled into it, but it's not worth the effort right now until I get a chance to try it out.

After mounting the engine it fired up on the 3rd pull. Life is good.


Carolyn said...

This is a great idea! You are very creative.
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