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Old 06-01-2009, 09:56 PM   #1
RobWilson
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Default Hypocycloidal Steam Engine

Hi after a few days deliberation and looking through plans i have decided to build an Epicyclic Steam Engine designed by Bill Reichart.
So far i have just about finishes solid modeling the engine an all seam well, as i go along i will be adding some touches of my own and have fiddled with a few things in the design already , cant help myself. I hope to make a start on the build in the next few days.
Rob



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Old 06-01-2009, 10:25 PM   #2
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Default Re: Epicyclic Steam Engine

Hey Rob,
Love to see that build! I bought those plans a few years back. It's on my build list........someday I'll get to build the stuff I got plans for!! Go for it!
Tony



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Old 06-01-2009, 10:35 PM   #3
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Default Re: Epicyclic Steam Engine

Quote:
Originally Posted by cobra428
Hey Rob,
Love to see that build! I bought those plans a few years back. It's on my build list........someday I'll get to build the stuff I got plans for!! Go for it!
Tony
Hi Tony i no what you mean, i think i have enough engine plans for two life times there are too many great engines to build,i still have my Rider Ericsson to finish
Rob
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Old 06-01-2009, 11:42 PM   #4
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Default Re: Epicyclic Steam Engine

That looks like a great engine. There is a very similar engine which is displayed at my local club, but it's called a "hypercycloidal" engine. Has exactly the same crank mechanism... Hypercycloidal sounds better IMO.

Good luck with the build!

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Old 06-01-2009, 11:49 PM   #5
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Default Re: Epicyclic Steam Engine

Technically, hypocycloid is correct. It's the curve generated when one circle rotates on the interior of a larger circle.

http://mathworld.wolfram.com/Hypocycloid.html

An epicycloid results when the smaller circle rotates on the exterior of the larger circle.

http://mathworld.wolfram.com/Epicycloid.html

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Old 06-03-2009, 04:43 PM   #6
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Default Re: Epicyclic Steam Engine

Quote:
Originally Posted by Jones
That looks like a great engine. There is a very similar engine which is displayed at my local club, but it's called a "hypercycloidal" engine. Has exactly the same crank mechanism... Hypercycloidal sounds better IMO.

Good luck with the build!
Hi Andrew i recon Hypercycloidal sounds better too and i will change the name,cheers for the info Marv
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Old 06-11-2009, 06:45 PM   #7
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Default Re: Hypercycloidal Steam Engine

Rob,
Very nice! Now, give up the secret....How did you do those outside radii in the corners
Rotary table?
Tony

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Old 06-11-2009, 07:06 PM   #8
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Default Re: Hypercycloidal Steam Engine

Hi Tony , no secret, CNC ,getting rid off the radius corners so i had square corners took the time.

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Old 06-11-2009, 08:05 PM   #9
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Default Re: Hypercycloidal Steam Engine

Here is another version of that type engine, and Rich has some very good photo's and info.
http://www.stationarysteam.com/cycloid.htm
glen

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Old 06-11-2009, 11:44 PM   #10
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Default Re: Hypercycloidal Steam Engine

Rob,
You dog you NO CNC ALLOWED
Tony



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