![]() Myself falling firmly into the 'Future Darwin-Award Candidate' end of the less-brilliant spectrum, I decided to try this wearing heavy welding gloves reaching up to my elbows ( Check), my thick welding apron ( Check), a Lexan face-shield ( Check - hey, I'm sounding positively cautious here, aren't I?), and. Pretty cool concept and super easy to make. This spring can handle much higher loads stopping at a fixed point. (see pictures) The idea is that under heavy loading, an extension spring can deform and straighten right out. It took me about 2 minutes and a set of needle nose pliers to make these clips to add to my compression spring. edit: A friend emailed me and told me about a limited travel extension spring. Slide the spring off the arbor and bend the ends into hooks with pliers. If your hand is not well protected when this happens, this will be the part where you will be picking up chunks of skin off of the ground. Stop the drill before the wire gets to the end because the tip will whip around the arbor in your hand. It may take a try or two to get the knack of how to hold it. Slowly start the drill and squeeze the arbor tight to control the wire. ![]() Hold the arbor in your hand grabbing the wire at the same time. Slip the end into the chuck of the drill between the teeth. Bend the rod at a 90 degree angle leaving an end as long as you need to create a hook after. Expansion springs are ones that stretch, like a spring in a screen door or a gate. ![]()
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