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It has been a while since I posted any new MOCs, so it pleases me to share this
with you.
Well, after the success of my compact small piston radial pneumatic compressor,
I decided to try my had at an engine.
http://www.brickshelf.com/gallery/kclague/dual-hex-compressor/p9090172.jpg
Given that pistons have two ports, and pumps only one, the compressor geometry
would not work. With a slight modification to twist the pistons 90 degrees, and
larger spacing between the tri-blade parts (my new favorite part), it fit
together nicely.
The six pistons are broken up into three pairs. A given pair drives one switch.
I've found that two small pistons to one switch is a good ratio. The switch
drives the next piston pair in sequence.
The integral stud spacing between the tri-blades allows for better structural
reenforcement without much cross bracing compared to the compressor. The
compressor had 1.5 stud spacing between tri-blades, making it difficult to make
as structurally strong.
Here are the images:
http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140073.jpg
http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140074.jpg
http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140077.jpg
http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140078.jpg
http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140079.jpg
Enjoy,
Kevin
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In lugnet.technic, Kevin L. Clague wrote:
> It has been a while since I posted any new MOCs, so it pleases me to share this
> with you.
>
> Well, after the success of my compact small piston radial pneumatic compressor,
> I decided to try my had at an engine.
>
> http://www.brickshelf.com/gallery/kclague/dual-hex-compressor/p9090172.jpg
>
> Given that pistons have two ports, and pumps only one, the compressor geometry
> would not work. With a slight modification to twist the pistons 90 degrees, and
> larger spacing between the tri-blade parts (my new favorite part), it fit
> together nicely.
>
> The six pistons are broken up into three pairs. A given pair drives one switch.
> I've found that two small pistons to one switch is a good ratio. The switch
> drives the next piston pair in sequence.
>
> The integral stud spacing between the tri-blades allows for better structural
> reenforcement without much cross bracing compared to the compressor. The
> compressor had 1.5 stud spacing between tri-blades, making it difficult to make
> as structurally strong.
>
> Here are the images:
>
> http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140073.jpg
>
> http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140074.jpg
>
> http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140077.jpg
>
> http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140078.jpg
>
> http://www.brickshelf.com/gallery/kclague/hex-radial-engine/p5140079.jpg
>
> Enjoy,
> Kevin
Great!
How does it preform? What is the RPM? (when connected to your compressor & when
pumped by hand)
What is the torque?
- David
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In lugnet.announce.moc, Kevin L. Clague wrote:
> It has been a while since I posted any new MOCs, so it pleases me to share this
> with you.
>
> Well, after the success of my compact small piston radial pneumatic compressor,
> I decided to try my had at an engine.
>
> http://www.brickshelf.com/gallery/kclague/dual-hex-compressor/p9090172.jpg
<snipped the rest>
Well, well well. Small is beautiful. Be it pumps or cylinders.
Great work!
CS
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ooooOOOOOOooOOoOOOOoooooh, very nice!
e
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