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Old 08-24-2013, 08:39 AM   #196
globalklr650 OP
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Solar thermal powered car part 12, homemade hot oil pump

I built a pump out of pop cans and broken DVD player parts to circulate the hot oil that absorbs the suns heat. In this video I explain how the pump works and run it with fluid. Next I will run it with water and measure the L/min at different voltages.

http://www.youtube.com/watch?v=7aidN...e_gdata_player
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Old 08-24-2013, 09:30 AM   #197
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I applaud you for not giving up! It's easy to loose focus when the going gets hard. Don't know what to expect from what you're doing, after all I'm a RN and don't deal with things like this ever. But looking forward to what will develop from this. Go on and don't give up!

Later
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Old 08-24-2013, 09:55 AM   #198
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Thanks John your support means alot to me.
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Old 08-24-2013, 04:23 PM   #199
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Quote:
Originally Posted by globalklr650 View Post
I will go for it.

And I think people can guess what will happen if you tow a mirror around but I will not use the standard glass
Mirror. I am an aerospace engineer so I will test for aerodynamics, side wind load, vibration and shock from pot holes. I will try many different mirror types in my next model. I can even strap the test Model to the trailer and drive around on bumpy roads and at high speed to test it. I will not even try a glass mirror because of how fragile it is and because I need something I can bend into a curved trough.

Here's your ticket....just find a way to blast one of these into space.
In all seriousness...this just might be the future.

http://www.kurzweilai.net/proposed-s...power-to-earth


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Old 08-24-2013, 09:30 PM   #200
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This looks very interesting. Solar power is about %30 more powerful in space and there are no cloudy days up there.
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Old 08-25-2013, 08:34 AM   #201
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Wow.

Seems to be a lot of people on this site that are very unhappy with their lives and feel like they need to take someone down a peg in order to feel better about themselves.

To all you naysayers:

I have not read one helpful comment yet. You have been riding this guy with negativity, forcing him to defend himself, while you have gone to no lengths to actually understand what he is talking about.

I didn't read him say, at any point whatsoever, that he was going to market and sell his ideas. That means that he is making it for his personal use, and
does not give a flying f*ck if it's been done before.

This guy is trying to make a difference, while obviously enjoying his life immensly. Why do you feel you have the right to sit in your computer chair and rain negativity down on him?

Do you think that your smug condescension is helping him in any way? Or does it just make you feel good to tell yourself that he's wasting his time so that you don't feel like YOU are?

If you don't like the blog, don't read it.

If you have something constructive to say or have a question, say it.

If you want to make this guy's life harder because you think it's a big joke, then stuff it.

global, I think what you are doing is incredible, and the fact that you continue to try to make it work, even when all these jokers try to bring you down, is even more amazing.

I hope you don't mind what I've said, I just felt like you were being far nicer to these asses than they deserved.

KEEP DOING WHAT YOU'RE DOING!
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Old 08-25-2013, 08:43 AM   #202
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Quote:
Originally Posted by Grimpy View Post
Seems to be a lot of people on this site that are very unhappy with their lives and feel like they need to take someone down a peg in order to feel better about themselves.

To all you naysayers:

I have not read one helpful comment yet. You have been riding this guy with negativity, forcing him to defend himself, while you have gone to no lengths to actually understand what he is talking about.

I didn't read him say, at any point whatsoever, that he was going to market and sell his ideas. That means that he is making it for his personal use, and
does not give a flying f*ck if it's been done before.

This guy is trying to make a difference, while obviously enjoying his life immensly. Why do you feel you have the right to sit in your computer chair and rain negativity down on him?

Do you think that your smug condescension is helping him in any way? Or does it just make you feel good to tell yourself that he's wasting his time so that you don't feel like YOU are?

If you don't like the blog, don't read it.

If you have something constructive to say or have a question, say it.

If you want to make this guy's life harder because you think it's a big joke, then stuff it.

global, I think what you are doing is incredible, and the fact that you continue to try to make it work, even when all these jokers try to bring you down, is even more amazing.

I hope you don't mind what I've said, I just felt like you were being far nicer to these asses than they deserved.

KEEP DOING WHAT YOU'RE DOING!
wow, uh, great first post.

Way to bring the negativity while slamming people for being negative.

I'm not negative, I'm skeptical...but not as skeptical as the people who's lives he's trying to change will be. And nothing would ever have been invented if their weren't skeptics.

I thought we were having rational discourse, he's answering legitimate questions, not defending himself from attacks of criticism.

way to contribute
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Old 08-25-2013, 08:58 AM   #203
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Boog, that was not aimed at you specifically, I'm simply talking about the general tone. This guy is taking a lot of "skeptism" and not all of it is constructive.

Most questions have been framed thusly:

So what do you think is going to happen when (event based on misinformation)

Or,

Bet you didn't know that (something that even an idiot would know)

It's not entirely you, but I've had experience trying to pioneer something, and it's the people that waste your time making you explain yourself for things that should be perfectly obvious, that drain you. The attitude of "complete idiot until proven genius" is a hard burden of proof to attain when people have a 6 second attention span.

And this is the first time I felt like contributing, because on every other thread, everyone is giving each other high fives for going to the artic circle, but I feel like this guy may be feeling the strain of this line of questioning, just as I did.

Grimpy screwed with this post 08-25-2013 at 09:21 AM
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Old 08-25-2013, 09:21 AM   #204
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Grimpy I do appreciate the support. It is hard sometime to work on a project alone and know it will work but have so much doubt from people. At some point this may push someone to just give up.

I do like some of the questions here and am looking for more constructive questions. I wish I could just lay out all the plans and data for the solar car but its just too much. I do not like getting comments "that is going to fail because of something" before I have had a chance to explain my design. Then I write a huge comment with all the data and then I get back no further question or trying to learn about the design. This just leaves a negative your going to fail kinda feeling for me To me it just Seemed this person wanted me to say " wow I didn't think of that I am stupid and this will never work".

Please continue with the helpful comments and questions please.
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Old 08-26-2013, 03:34 PM   #205
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Its alive. My solar thermal
Model follows the sun.
In this video I test the suntracking by having it follow a flashlight. This is a big step towards the solar thermal car. I need fast bi directional sun tracking if I want to get solar thermal energy while the solar car is moving.

http://www.youtube.com/watch?v=O_gmM...e_gdata_player
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Old 08-27-2013, 07:58 AM   #206
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In this short video the solar thermal model follows a lamp to demonstrate the suntracking.

http://www.youtube.com/watch?v=IyYGU...e_gdata_player
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Old 08-27-2013, 12:30 PM   #207
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That's pretty cool. I'm in the early stages of building a cabin on a lake, and much like our RV currently, it will have a solar array. I say "array", but it will really only have about 250 watts. We were planning on having them statically mounted on the roof, but now I'm thinking if they were mounted on the peak of the roof, the panels could follow the sun as it passes over the cabin.

How hard is this to rig up? I know you have to have more than one optical sensor, a motor, and some sort of controller device - mosfet? Is there something commercially available, or would it be easy to mount up my own, and make a controller with some breadboard soldering / relays or something?

Good job - that is slick.
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Old 08-27-2013, 12:44 PM   #208
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Making your own isn't that difficult. Then you will know how it works and can fix replace parts easily. A $27 arduino uno would be a good controller. The light sensors I used are about $.80 each.

I used one axis sun tracking. This requires 4 relays to run a motor in both directions. 2 axis is a little more complicated.

For solar panels its not really worth it To track the sun. The complexity and damage at high winds can be a big issue. Mounting them to the roof with a fixed summer and winter position will get you close to the same power. With the money you spend on tracking you could probably get more power investing that in another solar panel.

For solar thermal power sun tracking down to degree accuracy is required to keep the light focused on the pipe.

If I had a place like that I would build my own solar thermal power system. Much cheaper than photovoltaic and can provide all heating and cooking.
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Old 08-27-2013, 05:10 PM   #209
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This video is of the sun tracking working outside. It kept the solar thermal mirror perfectly aligned with the sun as I tilted and moved the table.

http://www.youtube.com/watch?v=gqkOf...e_gdata_player
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Old 08-28-2013, 11:02 PM   #210
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A website posted our article about the solar thermal car. Maybe this information will help people understand what we are doing.

http://webbingthegood.com/2013/08/29...and-solutions/
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