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Step 9More glue, some hacking, and a side of drilling
Yes, we're going to be gluing even more.
1- take all the rods with hooks and drill a 3/32 hole in each blob of epoxy where the hook is. (the hole should be one size larger then your wire). Try not to hit the hook when drilling...
2- stick the long rod for the displacer through the little hole again.
3- poke through (or drill then poke through) the center of the displacer and epoxy. Make sure it's on GOOD. It's a REAL pain in the butt when it falls off and you've glued everything together... Just trust me on that. ;)
4- Glue the top plate onto the middle piece. I'd suggest hot glue, it works better. I would be great to use it on the bottom, but it would melt. Molten parts under any sort of pressure causes problems!
Bring out the PVC, mark and cut a 5 inch section. As seen in the fifth picture, mark a line down the length of the cut segment. This is a guide to help us cut straight. Once the marker dries, cut it in half!
Now to drill the holes for the crankshaft
Here's the process:
1- Stand the PVC sections you cut about where they'll be when everything is glued down.
2- Keep them there! a dab or two of hot glue may prove invaluable here, or an extra set of hands! (note, DO NOT MAKE THE GLUE JOINTS PERMANENT! We still have plenty of adjustments to do!)
3- Thread the displacer linkage onto the crankshaft
4- Lift the crankshaft until the displacer just starts to lift off the bottom. It should not be touching, but almost. If the crankshaft is horizontal (as it should be) mark where the ends are touching the PVC segments.
5- drill at the level of the marks. Then, move just above and below the hole and drill two more holes for a total of three holes per segment. The holes should only be 1-2 millimeters apart.
Why?
Chances are your previous attempts at leveling for the displacer wasn't exactly right. Now you have some adjustability!
Finally epoxy or hotglue one segment right behind the copper pipe. leave the other one unglued for the moment. It makes everything much easier to adjust.
1- take all the rods with hooks and drill a 3/32 hole in each blob of epoxy where the hook is. (the hole should be one size larger then your wire). Try not to hit the hook when drilling...
2- stick the long rod for the displacer through the little hole again.
3- poke through (or drill then poke through) the center of the displacer and epoxy. Make sure it's on GOOD. It's a REAL pain in the butt when it falls off and you've glued everything together... Just trust me on that. ;)
4- Glue the top plate onto the middle piece. I'd suggest hot glue, it works better. I would be great to use it on the bottom, but it would melt. Molten parts under any sort of pressure causes problems!
Bring out the PVC, mark and cut a 5 inch section. As seen in the fifth picture, mark a line down the length of the cut segment. This is a guide to help us cut straight. Once the marker dries, cut it in half!
Now to drill the holes for the crankshaft
Here's the process:
1- Stand the PVC sections you cut about where they'll be when everything is glued down.
2- Keep them there! a dab or two of hot glue may prove invaluable here, or an extra set of hands! (note, DO NOT MAKE THE GLUE JOINTS PERMANENT! We still have plenty of adjustments to do!)
3- Thread the displacer linkage onto the crankshaft
4- Lift the crankshaft until the displacer just starts to lift off the bottom. It should not be touching, but almost. If the crankshaft is horizontal (as it should be) mark where the ends are touching the PVC segments.
5- drill at the level of the marks. Then, move just above and below the hole and drill two more holes for a total of three holes per segment. The holes should only be 1-2 millimeters apart.
Why?
Chances are your previous attempts at leveling for the displacer wasn't exactly right. Now you have some adjustability!
Finally epoxy or hotglue one segment right behind the copper pipe. leave the other one unglued for the moment. It makes everything much easier to adjust.
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Jan 1, 2012. 3:49 PMZeroAks
says:
Is there a reason that hot glue works better? For me, I've found that it often has trouble adhering to the metal, and breaks free easily.
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