New mid-engine K24 project, Midlana - Page 49 - K20A.org .:. The K Series Source . Honda / Acura K20a k24a Engine Forum
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Old 10-21-2016, 03:39 PM   #961
kb58
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Default Re: New mid-engine K24 project, Midlana

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awesome to hear Kurt, does all the composite work bring back memories of kimini? None the less, the new aero work looks mean. I like it
Oh yeah, it underscores that I'm working with the stuff in a poor environment. Given more space with better ventilation (and detached from the house), I'd be singing the praises of it. Composite work is best for making multiple copies of a shape, especially one with 3D curves. Making one of something with single-plane bends is a waste of the material, and not vacuum-bagging it means the end product weighs the same as aluminum, never mind being more likely to contain bubbles. I guess what I'm saying is that you pick your battles - it's great for production parts, less so for one offs. That said, the look of the end product was important in this case because it's out there on top for everyone to see. The thought of square corners on the ducting overrode my aversions. That's the long answer
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Kimini book: Mid-engine sports car design using a FWD drivetrain.

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Old 12-07-2016, 06:58 AM   #962
kb58
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Default Re: New mid-engine K24 project, Midlana

Still around but am taking time off from the car after 7(!) years to work on something totally different, redoing our backyard koi pond. Building the new filter system is a refreshing change from the car yet requires all the same tools and fabrication skills. This is a half-completed rotating drum filter. Water flows in from the right into the barrel, then flows out through a filter screen (not installed yet). When the output-side water level drops it means the screen is starting to plug up and a float switch turns on a gear-reduction motor and sprayer to clean it off. It "should" be an entirely hands-off unit when done.



To keep this somewhat car-related, here's my car next to my brother's, an LS3-powered Stalker, sort of a sprint car for the street. Both cars make about the same power but are very different animals!

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midlana.com:Turbo K24-powered mid-engine Super 7, and the book on how to build your own!
Kimini book: Mid-engine sports car design using a FWD drivetrain.

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Old 12-07-2016, 01:37 PM   #963
LotusElise
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Default Re: New mid-engine K24 project, Midlana

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...redoing our backyard koi pond. Building the new filter system...This is a half-completed rotating drum filter. Water flows in from the right into the barrel, then flows out through a filter screen (not installed yet). When the output-side water level drops it means the screen is starting to plug up and a float switch turns on a gear-reduction motor and sprayer to clean it off. It "should" be an entirely hands-off unit when done.
Very smart development kb58 . Does it belong to the backyard we can see in the picture? If so, the right side of it would run the pump all the time...LOL . This is a real water demanding soil .

Concerning the filter cleaning technique, similar is used in power plant exhaust gas filtering (dust), which uses sort of paper or fleece filter (don't know better word) which get's pulsated by pressure vibration. There the process is like get rid of the dust at the fleece and than - important - it falls down according gravity. With your technique, you would have to support the particles not only to get rid of the filter screen also to get out of the barrel. Did you solve the particle flow out too?

Markus
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Old 12-08-2016, 07:30 AM   #964
kb58
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Default Re: New mid-engine K24 project, Midlana

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Originally Posted by LotusElise View Post
Very smart development kb58 . Does it belong to the backyard we can see in the picture? If so, the right side of it would run the pump all the time...LOL . This is a real water demanding soil .

Concerning the filter cleaning technique, similar is used in power plant exhaust gas filtering (dust), which uses sort of paper or fleece filter (don't know better word) which get's pulsated by pressure vibration. There the process is like get rid of the dust at the fleece and than - important - it falls down according gravity. With your technique, you would have to support the particles not only to get rid of the filter screen also to get out of the barrel. Did you solve the particle flow out too?

Markus
No, that's not my yard

Credit where credit is due, I read through several build threads on how people made their own and went with this one, so it's about 90% someone else's design.

Because dirty water enters the barrel, the waste and dirt is stuck to the inside surface. As the drum rotates up out of the water, high-pressure sprayers blow the waste off the screen into a collection tray that's just above the surface of the water. The waste is washed down the tray and out to be disposed of. The assembly isn't done which is why there's no tray or gear motor yet. To not waste water (we're in SoCal, drought central), the sprayer and motor only activate via a float switch when needed, when the output-side water level drops. Lastly, all waste water ends up on plants or vegetables, so in a way the pond uses zero water.
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midlana.com:Turbo K24-powered mid-engine Super 7, and the book on how to build your own!
Kimini book: Mid-engine sports car design using a FWD drivetrain.

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