Finished with Trailer Modifications

Left side.

Left side.

Right side.

Right side.

This is one of those jobs that if you don’t start you will never start. If I sat down and tried to do the math first I never would have gotten around to doing the actual work, so I didn’t the work and I’ll check the math later. After I get my bike running for the summer.

The modifications consist of moving the bikes back over the axle to take some of their weight off the trailer tongue. I used the center stand as a reference point to determine a practical center of gravity location for the bikes and the wheel’s axle for the CG of the trailer. I moved the spare parts to the area in front of the bikes knowingly negating some of the benefit achieved by moving the bikes but that spare engine isn’t going to be around forever — just until I strip out the parts we want to keep.

So far the trailer’s back hasn’t broken and nothing has fallen off. Success!

About Art

55 years old. By training, ability and experience I am a master toolmaker. My most recent projects include designing and building a process to grind a G rotor pump shaft with four diameters and holding all four diameters within plus or minus 4 microns of nominal. This was an automated process using two centerless grinders refitted to my specifications using automatic load and unload machines plus automatic feedback gauging. I also designed and built an inspection machine to check for the presence and size of a straight knurl on a hinge pin using a vision system for non-contact gauging.
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