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Water wheel or similar to generate own electricity? Have you made one?
Sat 20-Nov-10
6:00 pm
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tallbird
Northants, UK
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Hello all, 

We live in a small cottage which has a good stream running through the garden, and we are planning to make a water wheel to generate electricity from the water.

Has anyone made one already? How did you do it and do you have any tips?

 

Thanks 🙂

Sat 20-Nov-10
6:11 pm
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3ravens
West Virginia

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Google microhydro generator. All kinds of good info will come up. A lot of it is in the USA though.

 

 

 

Sat 20-Nov-10
8:13 pm
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Toffeeapple
North Bucks

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wave Hello Amy!  I'm not far from you, in North Bucks, can you see me waving?

I'll try that again!

Sat 20-Nov-10
8:31 pm
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danast
Argyll, Scotland

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wave  Hi Amy and welcome.  I'm waving too but I am too far away for you to see.  Your place sounds wonderful.

Old teachers never die, they just lose their class

Sat 20-Nov-10
8:39 pm
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MOS
Cannock Chase

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Hi Amy

Building a waterwheel is the easy bit ,getting it to work right is the hard bit ,

first you need to work out how much water you have and how much head you can make use of .

if you have a lot of water and no head you will be better with an undershot wheel ,

if you have a large head an overshot wheel is far more efficient and in my opinion nicer to watch .

it will take quite a bit of power to generate 240v AC of any use and you cant store it as is ,

so if you only have a limited amount of water or head better to generate 12/24/36v DC store it in batteries and invert it to 240v AC as you need to use it ,

hope this helps MOS xx

sit down with a cupa and the urge will subside

Sat 20-Nov-10
8:47 pm
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3ravens
West Virginia

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Overshots are prettier, MOS, until the wooden race rots out....... oops.......

Sat 20-Nov-10
9:48 pm
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Toffeeapple
North Bucks

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Blumming heck MOS, is there nothing that you don't know about?   Sigh.  I wish I knew more about 'stuff'.cry

I'll try that again!

Sat 20-Nov-10
11:51 pm
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shelley
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I agree; the knowledge of so many people on this site never fails to interest me!

Sat 20-Nov-10
11:55 pm
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Toffeeapple
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It's amazing isn't it Shelley?  But you too, have so much knowledge that you share here, for which we are grateful.

Crimmini, aren't you up late?

I'll try that again!

Sun 21-Nov-10
11:28 am
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MOS
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3ravens said:

Overshots are prettier, MOS, until the wooden race rots out....... oops.......


 

big_laugh then they become undershots and thats when you fnd out if your alternator will run backwardsrunawaydevil

sit down with a cupa and the urge will subside

Sun 21-Nov-10
12:37 pm
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JoannaS
Latvia

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Hope that isn't from experience!whistle

Is there any other way of using the flow of water for generating electricity do you know of MOS?cheers

 

Sun 21-Nov-10
2:15 pm
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3ravens
West Virginia

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MOS said:

3ravens said:

Overshots are prettier, MOS, until the wooden race rots out....... oops.......


 

big_laugh then they become undershots and thats when you fnd out if your alternator will run backwardsrunawaydevil


 

Well, this particular one was in a historical building and was connected to a set of stones for grinding grains into flour, so no alternators were harmed..... big_laugh

Sun 21-Nov-10
3:16 pm
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MOS
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3ravens said:

MOS said:

3ravens said:

Overshots are prettier, MOS, until the wooden race rots out....... oops.......


 
big_laugh then they become undershots and thats when you fnd out if your alternator will run backwardsrunawaydevil

 
Well, this particular one was in a historical building and was connected to a set of stones for grinding grains into flour, so no alternators were harmed..... big_laugh

 

but did it turn the flour back into grain devil

sit down with a cupa and the urge will subside

Sun 21-Nov-10
3:24 pm
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MOS
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Toffeeapple said:

Blumming heck MOS, is there nothing that you don't know about?   Sigh.  I wish I knew more about 'stuff'.cry


 

Me to TA stuff is the wif's department ,usualy useless stuf but there's lots of it .

i usualy absorb the anoracky stuff about engineering doodars ,but in my spare time i am an old romantic ,just to ballance things out a bit devilbig_laugh

sit down with a cupa and the urge will subside

Sun 21-Nov-10
3:37 pm
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MOS
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JoannaS said:

Hope that isn't from experience!whistle

Is there any other way of using the flow of water for generating electricity do you know of MOS?cheers

 


 

Hi joanna

there are lots of ways of using water to make electricity

it just dependa on how much water you have and mainly how far you can make it fall

or if its in a lake how high the waves get ,this is really wind energy but its stored in the water

the main types are

water wheel overshot

water wheel undershot

turbine

pelham wheel

or wave rider

they all have their good points and bad points ,but the crunch decision relyies on the overiding point of ,how much water and how fast is it traveling MOS xx

sit down with a cupa and the urge will subside

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