V8-4

Intro V8-4"

Guys Don't Get sick Of me, But After making the V8-3" I realized that the Vanes are not able to hold onto all the wind that comes near it, that was due to when i expanded the middel section it flattened the vanes in the middel, so i designed the V8-4" in a way that when i expand it, it retain the correct shape to stay efficent and able to use all the wind it can get. This design has the RPM and have more Blade area than the V8-3".

V8-4" is made from the follwing:

-8 x 4"x10' PVC pipe cut to shape as in rendering($11.89 each)(95.12 total)(vanes)
-2 x 3"X2" permanent caps (sewer pipes aisle)($2.99 each))($5.98 total)(brackets)
-1 X 6" bike axle from an old bike (free or few $)(top axle)
-1 X 5" long male/female adaptor (arbor) ($7.99)(bottom connection)
-1 X 12" hard plastic tricycle wheel (free)(center bracket assembly)
-24 X 1"x1/8" screws ($1.99)(screws)
-1 X Ametek dc motor ($60.00)(generator)
-frame made from 2x4 ($11.00)(frame)
Total of::: $182.08

My Goal Still is to generate 100 watts at 35km/h
So I hope you guys enjoy this one like the ones before it.

Regards

V8-4"(vawt,savonius,verticalindturbine,ametek)

step 1 PVC Pipes/Vanes

The Vanes are made from white 3" PVC cut down the center.

Later, while it was spinning I realized that it was losing air in the middle, so I modded the vanes by adding another section of pvc in the middle. The photos will explain more of what I am saying.

But in future I should have cut the vanes to shape and that will double the cost of the pvc to $75.00.
note: I rendered a drawing for you to see how to cut your vanes (PVC).

I hope I explained it correctly..
And A 1/8" hole is drilled at each side and it is .5" from side and 1" away from bottom.
Again you have to alternate the pvc pipes because of the flange end.

That is it.

Regards

step 2 Turbine Assembly / Mount Brackets

The mount brackets are 4"x2" permanent cap from hardware store.

I drilled a 1/8" hole around the circumfrance every 1.5" to give me 8 holes.

I also drilled out 1/4" center hole for the top axle and 1/2" hole for the bottom axle.

Make sure the side holes line up, otherwise you will have uneven height for the vanes and that will suck.

Regards

step 3 Turbine Assembly / Center Bracket Assembly

The center bracket gives you the extra blade area, the firmness and the Cigar shape.

I used a 12" bike rim. I simply screwed it in the center of the turbine, again make sure it is in the center other you will get a bad wobble.
You are going to notice that there is 2 ways i cut the vane, with and without the center connection
Easy sh!t, there nothing else to say...lol

Regards

step 4 Turbine Assembly / Vane Assembly

make sure you messure things twice I have included a rendering that will describe the assembly action.

it will be triky to place the middle braket inside but take your time on this one, otherwise you may brake the vanes.

Regards