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Old July 30th, 2013, 08:37 PM   #1
Ebs
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Default Cam-less engine

Cool stuff:

http://youtu.be/Bch5B23_pu0
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Old July 30th, 2013, 08:40 PM   #2
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cam-less engine has been done long before this.

i believe F1 cars use pneumatic valves
2 strokes
wenkel engines
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Old July 30th, 2013, 08:47 PM   #3
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Yes, Wankels and 2-strokes do not have cams, but they have their own host of problems. I believe F1 still use camshafts, but they've used pneumatics in place of valve springs for a while now. I'm not sure if you watched the video.
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Old July 30th, 2013, 08:51 PM   #4
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I'll be honest- I figured this was going to be some goofball backyard 2 stroke based thing before I clicked on the link.... but wow, is that cool!
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Old July 30th, 2013, 08:53 PM   #5
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Very cool
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Old July 30th, 2013, 09:03 PM   #6
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PRetty awesome...
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Old July 31st, 2013, 06:05 AM   #7
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Anybody see the ECO BOOST FORD RAPTOR link at the end? Pretty awesome!!

Last edited by harry lague; July 31st, 2013 at 06:05 AM. Reason: miised a word
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Old July 31st, 2013, 09:03 AM   #8
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Ugg compressed air line under the hood going every where. I don't think its a great idea. I hate tracking down small leaks in our equipment.
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Old July 31st, 2013, 09:29 AM   #9
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Cool, but Im more intrigued by this type of cylinder head design...no more standard camshaft or poppet valves at all.

http://www.coatesengine.com/csrv-system.html
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Old July 31st, 2013, 02:33 PM   #10
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Very cool that it is somewhat universal in its application across such a wide range of platforms.

Lighter, smaller, 20% higher efficiency, and 30% more power/torque, and less emissions. This has potential to be a major game changer or end up being bought and shelved.

Unfortunately, battery technology should be advanced enough within 5 years when this application starts hitting newer consumer cars that it will have serious competition with an all electric or light weight hybrid platform.

On the commercial platform this has massive potential. Possessing the gains above in a commercial truck engine while reducing weight could eliminate hundreds of thousands of gallons of fuel imported every day.
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Old July 31st, 2013, 03:31 PM   #11
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Bad ass!!

That would take the tuning world to another level!
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Old July 31st, 2013, 06:21 PM   #12
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I would have thought someone would be working on an electro-magnetic system by now.
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Old July 31st, 2013, 06:46 PM   #13
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Quote:
Originally Posted by 04PSD View Post
Cool, but Im more intrigued by this type of cylinder head design...no more standard camshaft or poppet valves at all.

http://www.coatesengine.com/csrv-system.html
I remember hearing (well reading) Bruce Crower talk about this 30 years ago.

It's still not adjustable on the fly like the koenegwhatever head.
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Old July 31st, 2013, 09:21 PM   #14
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Here is an intresting read. Be awesome to be a driveability guy when international releases it.

http://www.dieselnet.com/news/2000/04navistar.php
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Old July 31st, 2013, 11:03 PM   #15
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Here is an intresting read. Be awesome to be a driveability guy when international releases it.

http://www.dieselnet.com/news/2000/04navistar.php
Quote:
7 April 2000

...expects to have a camless engine in the marketplace within three or four years....
and Dan Ustian got shitcanned... er, "retired" last year because he was spending to much company resources chasing dreams and not meeting current requirements.
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Old August 1st, 2013, 01:56 PM   #16
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Quote:
Originally Posted by brewmenn View Post
I would have thought someone would be working on an electro-magnetic system by now.
Lot of companies were working on those about 10-12 years ago. I'm sure still in development.

One main problem was the 42v electric system that seemed like it was the way forward around that time never materialized.

Hard to do a lot of heavy power draw stuff with the old style 12 volts...
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Old August 1st, 2013, 02:09 PM   #17
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very interesting stuff.
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Old August 1st, 2013, 02:45 PM   #18
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This will revolutionize piston engines. We have had the idea for decades, but the technology and electronics were not up to par. There was a write up in Motor Magazine in the 80's, about a fleet of delivery vans in Chicago. They had solenoid operated valves, and had no clutch or transmission, and no starter. The engine stopped every time the vehicle did, and started back up top get it moving, by controlling the valves in conjunction with the injection and ignition.
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Old August 1st, 2013, 02:46 PM   #19
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Quote:
Originally Posted by Haggar View Post
Lot of companies were working on those about 10-12 years ago. I'm sure still in development.

One main problem was the 42v electric system that seemed like it was the way forward around that time never materialized.

Hard to do a lot of heavy power draw stuff with the old style 12 volts...
So with Lithium batteries this is now a real possibility?
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Old August 1st, 2013, 04:24 PM   #20
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That is bad ass.
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