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Design a Crankless Engine

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dalemaley
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Iron
Re: The one-stroke engine?
dalemaley   6/27/2014 11:55:22 AM
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I am the woodworking enthusiast mentioned in this post.

 

I tried to explain how I tried to make the Parson's design to no avail on my web site....

 

If you can tell me how to make it work, please let me know.  You cana email me from my web site linked above.

 

thanks

 

Dale

Rajan Paul
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Blogger
Re: Many problems with this design.
Rajan Paul   6/3/2014 8:48:21 AM
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Depending on the demand this technology could be used for two and / or four stroke engines

Rajan Paul
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Blogger
Re: Piston Velocities
Rajan Paul   6/3/2014 8:10:46 AM
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Velocity of piston and rack assembly: An integral cam that work between segmental wheels, explained earlier, would work as a shock absorber to decelerate and accelerate the assembly at TDC and BDC. So the velocity curve is not a square wave. It would be just like a sine curve with a straight line at the top. Starting 45 degrees is like a sine curve's 0 to 90 degrees, the next 90 degrees is a horizontal line parallel to x axis and the ending 45 degrees is like the 90 to 180 degrees of a sine curve

Rajan Paul
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Blogger
Rajan 'Crankless Engine'
Rajan Paul   6/2/2014 12:32:25 PM
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tekochip
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Platinum
Re: The one-stroke engine?
tekochip   6/2/2014 12:13:25 PM
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Thanks for the animation, that goes a long way to explaining everything.

Rajan Paul
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Blogger
Re: The one-stroke engine?
Rajan Paul   6/1/2014 5:38:56 PM
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Dave Palmer
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Platinum
Re: Many problems with this design.
Dave Palmer   5/31/2014 11:38:24 AM
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@jhmumford: I can't give anything away, but if you think that two-stroke engines are "very polluting and inefficient," you may want to stay tuned for the new product that Evinrude will be revealing in less than two weeks.

Evinrude's first-generation E-TEC engines (DI two-stroke), which came out about ten years ago, were the first outboards to receive the EPA's Clean Air Award... and still have the lowest reportable emissions of any outboard, two-stroke or four-stroke.  Now Evinrude is planning to unveil a new era of ourboards.  All I can say is: prepare to be surprised.

shehan
User Rank
Gold
Re: Not exactly a new robust concept
shehan   5/31/2014 11:07:22 AM
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@EdDanzer – I am sure these manufacturers already know this and have taken a step further to prevent this happening. 

shehan
User Rank
Gold
Re: The one-stroke engine?
shehan   5/31/2014 10:54:52 AM
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@Dave – I think its already being a competition to the ordinary crankshaft engine. The power the fuel consumption itself brings this engine forward. 

shehan
User Rank
Gold
Re: The one-stroke engine?
shehan   5/31/2014 10:39:34 AM
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@a.saji – a good point, I think it should be able to handle at least 10000 RPM referring to the torque chart. 

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