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Step 6Construct mounting frame.
I made the mounting frame by creating half width walls and bolting them to the metal frame top and bottom.
Each wall was 350mm wide. I made 8 35x35x1300mm posts by ripping 70x35mm framing pine in half.
Cut 4 320x1200mm pieces of 9mm B grade exterior board to brace the posts.
I then ran the router down the edge of each post to remove a 9mm section for the braces to sit in.
Take two posts glue and nail or screw the brace into the section cut out by the router.
Bolt the frame sections one on each side of the metal frames. I used 50mm self tapping roofing screws for metal roofs but predrilled the pipe the take up easier.
Make sure it is on the metal frames such that the wind is not blocked. ie that when the bucket is across the frames will be covering the back of a bucket. I saw this frame design on another project but I didn't keep the reference to acknowledge it. I am sure if you are looking you will find where it came from. Alternatives might be to use steel posts and fencing pipe clamp connections . Either way this turbine can be dismantled and reassembled fairly easily.
Amazingly for my first try it does work!!
How much power I get when I hook the chain drive to my generator is yet to be seen.
Check out the video set up on my veranda.
Each wall was 350mm wide. I made 8 35x35x1300mm posts by ripping 70x35mm framing pine in half.
Cut 4 320x1200mm pieces of 9mm B grade exterior board to brace the posts.
I then ran the router down the edge of each post to remove a 9mm section for the braces to sit in.
Take two posts glue and nail or screw the brace into the section cut out by the router.
Bolt the frame sections one on each side of the metal frames. I used 50mm self tapping roofing screws for metal roofs but predrilled the pipe the take up easier.
Make sure it is on the metal frames such that the wind is not blocked. ie that when the bucket is across the frames will be covering the back of a bucket. I saw this frame design on another project but I didn't keep the reference to acknowledge it. I am sure if you are looking you will find where it came from. Alternatives might be to use steel posts and fencing pipe clamp connections . Either way this turbine can be dismantled and reassembled fairly easily.
Amazingly for my first try it does work!!
How much power I get when I hook the chain drive to my generator is yet to be seen.
Check out the video set up on my veranda.
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Feb 23, 2008. 6:59 AMfaroun
says:
nice work, i like the simple i dea of using bicycel parts and such. in my project i have created the wind direction idea to achive more tork and Yes it does work, cause at the same time where the back of the blade there is a vacume. in my project i am aiming for 400 watt but i am still at 180 at 20mph wind so i am working on another custom alternator, what are you aiming for? regards
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Feb 23, 2008. 2:07 PMfrednerk (author)
says:
Thanks! I have not connected it to the enerator as yet. I need to get a electronics kit which will convert low voltage up to >12V for charging. As far as the back of the blade goes I have made a couple of "wing" shaped blades which should help with this problem and increase the efficency. I am going to fit them to a one wheel version hopefully today If it works I'll post it if it doesn't I'll send you a simple way of making "wing" shaped blades for savonius's if you would like, if you can improve on it I'd like to know.
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