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Engine Operation Question

 
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Shrapnel



Joined: 20 Oct 2005
Posts: 16

PostPosted: Sat Nov 12, 2005 1:42 am    Post subject: Engine Operation Question Reply with quote

This site's article on the Renesis engine contains the following:

"Counter-Rotating Fixed Gear And Tuning Of The Intake Sound: With the previous rotary engine, the direction of rotation of the fixed gear locating the rotors in the front and rear housing was the same for both rotors. With Renesis, the direction is reversed for front and rear rotors, achieving smoother rotation and reduced gear noise..."

I don't get it. I thought the fixed gear was actually fixed (i.e. didn't spin) and the rotor moved around it. Is this wrong? How can the front and rear fixed gears rotate in different directions?
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Tony Shrapnel
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Arawn



Joined: 06 Nov 2005
Posts: 11
Location: Bridgeport, Conn

PostPosted: Mon Nov 21, 2005 10:44 am    Post subject: Re: Engine Operation Question Reply with quote

Shrapnel wrote:
I don't get it. I thought the fixed gear was actually fixed (i.e. didn't spin) and the rotor moved around it. Is this wrong? How can the front and rear fixed gears rotate in different directions?


rotaryengineillustrated.com/renesis.php wrote:
Counter-Rotating Fixed Gear And Tuning Of The Intake Sound: With the previous rotary engine, the direction of rotation of the fixed gear locating the rotors in the front and rear housing was the same for both rotors. With Renesis, the direction is reversed for front and rear rotors, achieving smoother rotation and reduced gear noise. Mazda also tuned the intake to give a satisfyingly sporty sound.
http://www.rotaryengineillustrated.com/index.php?option=com_content&task=view&id=32&Itemid=36

"Direction of Rotation of the Fixed Gear," sounds almost like Congressional Ethics or Academic Salaries. At least they aren't refering to the inside gear as the External...

Has anyone a definition I'm not seeing either, or was the Copywriter hoping that someone else would know what he was talking about. It looks like they're still using the single E-Shaft.

Are they talking about which side of the Housing the Fixed Gear is on?

Arawn
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Last edited by Arawn on Sat Nov 26, 2005 9:30 am; edited 1 time in total
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Jingyee
Site Admin


Joined: 11 Jul 2005
Posts: 85
Location: Portland, OR

PostPosted: Fri Nov 25, 2005 7:31 pm    Post subject: reply Reply with quote

I'll ask the engine experts if they know what exactly its referring to.
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Shrapnel



Joined: 20 Oct 2005
Posts: 16

PostPosted: Tue Jan 03, 2006 5:09 am    Post subject: Reply with quote

Can't help wondering how the enquiries are going, but I feel sure an error has been made here. This otherwise excellent article is fairly widely published and I've now seen it on several other websites. If the statement mentioned above is an error, who should rectify it I wonder?
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Tony Shrapnel
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Blake
Been there, done that


Joined: 12 Jul 2005
Posts: 135
Location: Portland, OR

PostPosted: Tue Jan 03, 2006 3:27 pm    Post subject: Reply with quote

I'm thinking something was lost in translation. Perhaps the reference is to the gear tooth design...because other than that, the basic layout and function is the same.
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