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Re: 5kw Poncelet Wheel Project

Discussion Board - Thu, 07/24/2014 - 21:21
Quote from: skid on July 23, 2014, 06:41:46 PMQuote from: MaryAlana on July 23, 2014, 02:42:59 PMAluminum and stainless play well together. if they didn't my antennas(amateur radio operator) w...

banki turbineswater

Discussion Board - Thu, 07/24/2014 - 10:02
some friends of mine is moving to portugal and are considering the feasibility of a banki turbine. not a lot of solid details on the site yet but it seems there is a lot of fast flowing water in the winter so i suggested a banki turbine coupled to a lo...

Re: How do I keep my batteries alive forever?

Discussion Board - Thu, 07/24/2014 - 08:52
When I equalize my rolls batteries the spec gravity is 1.270-1.275, you may try raising the abs volts a few tenths and see if the gravity increases. Mine see about 10% DoD everyday. The only deep discharges they get is in the fall when it gets cloudy, ...

Re: 12v linear actuator on boat?

Discussion Board - Thu, 07/24/2014 - 08:34

 Don't know where you are located, but, here is what you need.

 LINK

How do I keep my batteries alive forever?

Discussion Board - Thu, 07/24/2014 - 07:38
Hello, I was wondering if some genius on batteries can tell me how to make them last forever?    I have just installed a new battery bank for a customer of mine and have been reading a lot of the new (new to me?) info on keeping batteries happy. But ...

Re: 5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 19:02
WOW....  looking great.  Keep posting your progress, I know it takes time.  Adam

Re: 5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 18:41
Quote from: MaryAlana on July 23, 2014, 02:42:59 PMAluminum and stainless play well together. if they didn't my antennas(amateur radio operator) would have fallen apart years ago.

Yes, aluminum and stainless steel...

Re: 5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 16:25
Bucket edge detail. The edge fits in the weld groove and positions it for welding.

Re: 5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 16:19
SS Axle and aluminum spokes. The bearing journals are 2 3/4 inches diameter. One bearing surface is longer for mounting the sheave

Re: 5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 16:12
It's a bit of a learning experience to post pictures and having to reduce the size of the pictures...

Picture of wheel side with one bucket placed in weld groove.

Re: 5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 15:43
Some pictures

Re: 5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 14:42
Aluminum and stainless play well together. if they didn't my antennas(amateur radio operator) would have fallen apart years ago.

Re: Analog ammeter (how to use it).

Discussion Board - Wed, 07/23/2014 - 12:33
Hi

I would still go for the moving coil meter, if you don't have access to the correct shunt you could try a short length of thin steel strip.  you will have to calibrate it, start with things you do have access to, car headlamp bulbs are a good start....

Re: 5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 12:23
Quote from: skid on Today at 12:06:03 AMThe wheel will be built of mostly aluminum and stainless steel.

Beware the galvanic reaction between dissimilar metals.  Aluminum corrodes [relatively] quickly when b...

Re: 5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 05:22
welcome to the forum  skid. photos, photos.

Re: Perfect Windmill Design?

Discussion Board - Wed, 07/23/2014 - 00:36
outrunner motors and generators serve a niche because the shape of the magnetic poles forms a halback array in a sense because the magnetic vectors are concentrated inward at the cost of their volume, to form a higher concentration of magnetic flux at ...

5kw Poncelet Wheel Project

Discussion Board - Wed, 07/23/2014 - 00:06
I thought this site would be a good place to document my build and installation of a Poncelet wheel. I will assemble the wheel and then install it. This will be done in my spare time and will take some time due to the magnitude of the project.

Backgrou...

Re: The Little Box Challenge could shake things up!!

Discussion Board - Tue, 07/22/2014 - 23:33
Yes, very interesting.

Quite a decent set of engineering rules to get accepted.

Rgds

Damon

Re: The Little Box Challenge could shake things up!!

Discussion Board - Tue, 07/22/2014 - 23:06
Possible if your microwave is the size of a sugar cube, washer and drier not larger than a matchbox...
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