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Step 6Finishing the trolley assembly.
You should now have something that looks like the first picture.
Now to finish it up, first we need to mesure and drill 2 holes, these will hold the guilde bar on the top in place, I mesured and drilled my holes, so that the far side of the rod, that is, the front edge, lines up exactly, with the front edge of the bottom guide, The rod I used turned out to be 1/4 of an inch thick, 1 half of 1/4 is 1/8th inches, so to make them line up, mesure in from the front of your blocks, 3/4 of an inch, then add 1/8, for a total of 7/8ths of an inch, the highth is up to you, and what size trolley you plan to make, just make sure you have at least 1/4 inch of wood between the top of the guide bar, and the top of the blocks, and make sure the holes line up EXACTLY, this is the most important part of the build, if you have access to a drill press, I highly recommend you remove your blocks, clamp them in a drill press, and drill them both at once, just make sure they are lined up exactly even all the way around.
Now, you will need to cut your metal guide rod, you only need it long enough so that it goes into your holes and goes all the way to the outside of both wooden blocks, you can see from my picture, mine is about a half inch longer, on both sides, but it doesnt have to be, i put some hotglue around both ends of mine.
Now you need to make your trolley, like I said I used a chunk of the same wood I made my end blocks from, yours might vary from mine, depending on your platform, and scanner, but mine was 3/4 thick, 2 inches wide, and 2 and 3/4 inches tall, here as well, I used the housing from a crayola marker, as my guide, it fit over my guide rod, a bit more loosley than i would have liked, but it turned out not to be a problem. I sat my trolley block, up on the platform against the bottom guide and the top guide, and then put a mark on the back of my trolley block were the guide tube would go (i lifted mine 1/4 inch off the bottom plywood, so that it wasnt siiting right on the plywood) then marked the back were I wanted my guide tube to be placed. I secured mine, with LOTS of hotglue lol, it holds just fine, havent had a problem with it yet.
Now, put one end of the guide rod into one end block, then place the trolley block with the guide tube in place, over the guide rod, then slide the guide rod into the hole in the other block.
Now to finish it up, first we need to mesure and drill 2 holes, these will hold the guilde bar on the top in place, I mesured and drilled my holes, so that the far side of the rod, that is, the front edge, lines up exactly, with the front edge of the bottom guide, The rod I used turned out to be 1/4 of an inch thick, 1 half of 1/4 is 1/8th inches, so to make them line up, mesure in from the front of your blocks, 3/4 of an inch, then add 1/8, for a total of 7/8ths of an inch, the highth is up to you, and what size trolley you plan to make, just make sure you have at least 1/4 inch of wood between the top of the guide bar, and the top of the blocks, and make sure the holes line up EXACTLY, this is the most important part of the build, if you have access to a drill press, I highly recommend you remove your blocks, clamp them in a drill press, and drill them both at once, just make sure they are lined up exactly even all the way around.
Now, you will need to cut your metal guide rod, you only need it long enough so that it goes into your holes and goes all the way to the outside of both wooden blocks, you can see from my picture, mine is about a half inch longer, on both sides, but it doesnt have to be, i put some hotglue around both ends of mine.
Now you need to make your trolley, like I said I used a chunk of the same wood I made my end blocks from, yours might vary from mine, depending on your platform, and scanner, but mine was 3/4 thick, 2 inches wide, and 2 and 3/4 inches tall, here as well, I used the housing from a crayola marker, as my guide, it fit over my guide rod, a bit more loosley than i would have liked, but it turned out not to be a problem. I sat my trolley block, up on the platform against the bottom guide and the top guide, and then put a mark on the back of my trolley block were the guide tube would go (i lifted mine 1/4 inch off the bottom plywood, so that it wasnt siiting right on the plywood) then marked the back were I wanted my guide tube to be placed. I secured mine, with LOTS of hotglue lol, it holds just fine, havent had a problem with it yet.
Now, put one end of the guide rod into one end block, then place the trolley block with the guide tube in place, over the guide rod, then slide the guide rod into the hole in the other block.
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