Author Topic: First try at a waterwheel  (Read 1866 times)

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mcgivor

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First try at a waterwheel
« on: June 07, 2005, 07:51:43 PM »
Link to HUGE pictures if you have bandwidth to look at them


This is my first try at a water wheel.  It's 48" in dia. 3/4" plywood with 2"x8" buckets.  The water is from a 2" pvc at about 15' head.  Later the pipe will be changed to 3" pvc and the head to over a 100 feet.  Right now it will be used to pump water up the hill, and later for electric.  It has about 65 RPM with the 2" pvc, and about 110 RPM whrn the water bottle was added to the pipe.



Editors Note:


Huge pictures removed and a link provided so those who have fast connections can see them if they wish. It is not very friendly to our dialup users to post 20 megabytes of photos in one story.





« Last Edit: June 07, 2005, 07:51:43 PM by (unknown) »

srnoth

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Re: First try at a waterwheel
« Reply #1 on: June 07, 2005, 10:43:02 PM »
Hi there,


Here are your pictures at a more reasonable size. I have DSL and it still took a good few minutes to download those woppers. Next time resize them to about 640 x 480.


Anyway, cool project. How many watts do you anticipate?









Cheers,

Stephen.

« Last Edit: June 07, 2005, 10:43:02 PM by srnoth »

hiker

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Re: First try at a waterwheel
« Reply #2 on: June 08, 2005, 01:26:25 AM »
why lose all that water pressure?--move youre water wheel right up to the output pipe..

should see a big increase in power..just my thoughts....later

looks real cool at that!!!
« Last Edit: June 08, 2005, 01:26:25 AM by hiker »
WILD in ALASKA

Flux

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Re: First try at a waterwheel
« Reply #3 on: June 08, 2005, 01:38:44 AM »
Thanks for resizing the pictures Steven, I couldn't have waited for the originals.


Nice project and will be ideal for pumping water, but if you want electricity and want to use the potential of that site you need to change to a turbine. To use 100ft head on an overshot wheel it needs to be 100ft diameter.


You seem to be aiming to use it as an impulse turbine to use the water velocity, so you would do much better with a proper impulse turbine. For simplicity use a Banki but a Turgo or pelton would be fine. Your site looks to have a lot of promise.


Flux

« Last Edit: June 08, 2005, 01:38:44 AM by Flux »

mcgivor

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Re: First try at a waterwheel
« Reply #4 on: June 08, 2005, 07:25:04 PM »
Thanks for the comments. I'm sorry for the photo size, the computer I was on would not let me re-size them.  Like I said this was my first wheel, I didn't think that it would get much more than 40 RPM, boy was I wrong.  I do plan to use a pleton wheel on this creek, at least until it dries up.  
« Last Edit: June 08, 2005, 07:25:04 PM by mcgivor »

Nando

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Re: First try at a waterwheel
« Reply #5 on: July 03, 2005, 01:55:36 PM »
For the head and water volume you have a different Turbine is best for higher efficiency like a TURGO, PELTON, BANKI or a PROPELLER.


Measure the water volume to determine available power with 100 feet head.


Regards


Nando

« Last Edit: July 03, 2005, 01:55:36 PM by Nando »