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Step 3Make the belt buckle.
The belt buckle consists of the valve stem and sprocket, as shown. The 1"-wide section of tubing is attached close to the buckle, using the same bolts that fasten down the end of the overlapped tubing.
First, decide which side of the sprocket should be the front of the belt buckle. Next, take the valve-stem end of the tube, thread the short end through your sprocket from front-side to back-side, and fold the short end over so that it overlaps the longer end. The overlap should be on the back of the belt, and the valve stem should lay across the front side of the sprocket.
Mark four points on the overlap for the tiny bolts that will fasten the sprocket in place, hold down the overlapped section of tubing, and attach the loop that holds the tail of the belt. Mark the first two points at the edges of the tubing close to the sprocket, so that it will be held tightly; mark the next two at the edges of the tubing close to the end of the overlap.
Using the heavy-duty punch, punch four small holes (diameter slightly smaller than that of your tiny, tiny bolts) at the points you've marked. Also mark & punch two holes through one side of the 1"-wide capture loop.
Push the first two bolts through the holes closest to the sprocket, from the front to the back of the belt, then thread on the nuts and tighten down. (If you had a riveting tool, I'll bet you could substitute little rivets for these nuts & bolts. Personally, I like the tiny tiny bolts.) Push the second two bolts through the holes in the capture loop and the matching holes in the overlapped section of the belt, thread on the nuts, tighten down. Wheeee belt buckle!
First, decide which side of the sprocket should be the front of the belt buckle. Next, take the valve-stem end of the tube, thread the short end through your sprocket from front-side to back-side, and fold the short end over so that it overlaps the longer end. The overlap should be on the back of the belt, and the valve stem should lay across the front side of the sprocket.
Mark four points on the overlap for the tiny bolts that will fasten the sprocket in place, hold down the overlapped section of tubing, and attach the loop that holds the tail of the belt. Mark the first two points at the edges of the tubing close to the sprocket, so that it will be held tightly; mark the next two at the edges of the tubing close to the end of the overlap.
Using the heavy-duty punch, punch four small holes (diameter slightly smaller than that of your tiny, tiny bolts) at the points you've marked. Also mark & punch two holes through one side of the 1"-wide capture loop.
Push the first two bolts through the holes closest to the sprocket, from the front to the back of the belt, then thread on the nuts and tighten down. (If you had a riveting tool, I'll bet you could substitute little rivets for these nuts & bolts. Personally, I like the tiny tiny bolts.) Push the second two bolts through the holes in the capture loop and the matching holes in the overlapped section of the belt, thread on the nuts, tighten down. Wheeee belt buckle!
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