What do you have to say about Dave's book "Alcohol Can Be A Gas"?
Daves book is THE reference book for anyone interested in permaculture, alternative fuels and community/self reliance. A must for my library. All those years of work seem to have paid for him. Hats off.
I do electrical testing for Utilities, mostly powerplants and substations. I have a steam car/engine hobby and a small machine shop for parts fabrication. I've been interested in permaculture since the mid 70s. I live in the middle of corn country and I want to start making small batches of ethanol starting with corn but working towards greenhouse grown cattails/algae along with methane production. sooner or later maybe a little aquaculture (shrimp or fish).
At the moment I'm building windmill to help power the shop.
Not so quick tutorial on winding perfect coils.
1. Get hardwood dowel the size that you want ID of coil to be.
2. Cut a groove the size of tubing lengthwise down the dowel so the tubing can fit flush. I used a router with a fence on it but a file, knife, small chisel, sharpened stone, etc. could be used. Just make sure the tube sits flush with the surface of the dowel.
Here's the artistic part:
3. Using a round file the size of the tubing (or sharp stone, whatev) continue the groove around the dowel in a spiral of diminishing depth with a radius equal to the dowel. Or thereabouts. Try and finish it in less than one wraps worth. (See pics)
4. Cut dowel flush just longer than the spiral groove and carve off the little triangle shaped piece that will prevent removal later.(See pics)
5. Lay tubing in long groove, form around spiral and start wrapping back up the dowel taking care not to kink on first wrap.
6. When done wrapping, solder in a few spots to hold together. Yes, the dowel will catch on fire but not bad. Use plenty of flux. Have water and wet rags handy. And an ABC fire extinguisher.
7. LET COOL!!
8. Pull coil assembly from dowel. Carefully, don't rush it. It'll come off.
Well, there you have it-the secret's out. Enjoy!
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