Is this a 2 stroke engine, or a 4 stroke engine? - Steve Saunders Goldwing Forums

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post #1 of 27 (permalink) Old 08-13-2018, 10:57 PM Thread Starter
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Is this a 2 stroke engine, or a 4 stroke engine?

a fully digitized valve system that has no interlinking components to the crankshaft.


program it for a subtle cruise the streets to a huge power monster, at the flip of a switch.


https://newatlas.com/camcon-digital-...-system/55827/


It can run clockwise, or CCW, don't matter.





~ John


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post #2 of 27 (permalink) Old 08-13-2018, 11:06 PM
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I believe this is a four stroke engine. Electro-magnetically actuated vales are not new. https://en.wikipedia.org/wiki/Camless_piston_engine

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post #3 of 27 (permalink) Old 08-13-2018, 11:34 PM
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post #4 of 27 (permalink) Old 08-14-2018, 12:03 AM Thread Starter
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the concept is not new, what is new is there are no Valve Springs, and they won't float.


the closing action is digitized also....
it can change programming in a millisecond, the other engine concepts cannot.


progress with newer, faster CPUs, and other applied technology to go with it.

~ John


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post #5 of 27 (permalink) Old 08-14-2018, 08:05 AM
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ducatti doesnt use valve springs, but the wear goes to the rocker arm. the camless uses solenoids......i hope that engine isnt interference fit. lol

i think it is the newer version of ford powerstroke diesel, relies on oil pressure to open the valves.

technology just keeps marching on.
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post #6 of 27 (permalink) Old 08-14-2018, 01:45 PM
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No valve springs

I attended a banquet in 1992. The featured speaker was a magazine writer for one of the motorcycle mags. He claimed to have ridden a motorcycle in Japan that had digitally operated valves.

He said he could not give us any more information because he had to sign a non-disclosure agreement. I got the impression the manufacturer was Honda.

I think this idea has been around for some time. But has not been used on a production machine.


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post #7 of 27 (permalink) Old 08-14-2018, 02:02 PM Thread Starter
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the reason it never made a production machine, was explained in the article.


the electronics could not be made small enough to go under the hood of a production vehicle.


now, they can.... MOSFETs are powering these things, those did not exist in the '90s other than in the labs in very small power sizes.


the idea has been around for a long time, just like Einstein's theories, which are just now coming to be proven correct.

~ John


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post #8 of 27 (permalink) Old 08-14-2018, 03:52 PM
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the reason it never made a production machine, was explained in the article.
Thanks John,

I couldn't read the article because the site wanted me to turn off my AD blocker.

Screw that!


Rayjoe
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post #9 of 27 (permalink) Old 08-14-2018, 04:54 PM
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Thanks John,

I couldn't read the article because the site wanted me to turn off my AD blocker.

Screw that!

Rayjoe
Sometimes, when a site wants me to turn off ad blocker, I can exit then come right back and all is well. I read the article and the site didn't try to reject me.

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post #10 of 27 (permalink) Old 08-14-2018, 08:50 PM
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This concept uses Desmodromic valve train like a Ducati. The electronics control a motor operated camshaft for each valve. It open slightly,fully or any point of lift and duration the processor calls for .

Mike
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