Step 4:

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So.. after a few days of use, I decided to strengthen the L connection between the base plate and the rack. The transport carrier is OK, but the base plate is the weakest link: it flexes too much.

I got a steel strip (3x 30 mm), and bent 2 square supports (after cutting). I had to take the carrier off the bike for stripping and painting anyway. The hand carrier already had 4 M10 tapped holes for the axle supports, corresponding holes were drilled in the support brackets to connect . 6 mm holes were drilled in the brackets and base plate for connection with M6 bolts.

When the paint is dry, I want to glue rubber (inner tyre, flooring, insulation) on the parts which come in contact with the cargo. Pics will follow.....
atfearnside5 years ago
Another way to support the carrier is to add steel strips at a 45 degree angle to the carrier base (the steel tubes that, on the hand cart, were vertical). If you considered that, did you not do it b/c it would interfere w/ potential loads that might be wider than the carrier?