NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Rotary Engine Building, Porting & Swaps (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/)
-   -   Na Bridgeport (finally) (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/na-bridgeport-finally-30180/)

kahren 12-13-2003 02:07 PM


Originally Posted by White_FC' date='Dec 12 2003, 10:53 PM
umm just quickly on your inlet manifold, you might want to think about keeping each center runner individual or joining to their respective secondary runner, instead of how you have it converging into one.



Just a thought https://www.nopistons.com/forums/pub...IR#>/smile.png the bridge looks great though.

oh yea i just thought about that it needs longer pulse width, good point https://www.nopistons.com/forums/pub...IR#>/smile.png

kahren 12-13-2003 03:34 PM

1 Attachment(s)
some dimensions i took on the housings , i want to join the 2 hoels on the NA it only seems appropriate for teh size port that it needs to flow. i also measured the FD for comparison.

ArmyOfOne 12-13-2003 04:51 PM

1 Attachment(s)
just a quickie...



Has anyone ever tried to join the 2 primary ports together? if so how did it work out?

kahren 12-15-2003 01:39 AM


Originally Posted by ArmyOfOne' date='Dec 13 2003, 05:51 PM
just a quickie...



Has anyone ever tried to join the 2 primary ports together? if so how did it work out?

i doubt it woudl eb such a good idea, since the pulses will be "lost"

but it coudl still amke mroe power just from the shear volume

kahren 12-17-2003 11:42 PM

little update on what i have decided to do. connected the bridge and the secondary and aux ports, also joined the port opening at the manifold side, and i am not gonna bridge the primary anymore but just do a large streetport on turbo plate.

kahren 12-17-2003 11:43 PM

1 Attachment(s)
one more

ArmyOfOne 12-18-2003 07:43 AM

https://www.nopistons.com/forums/pub...DIR#>/ohmy.png



that is gigantic!



https://www.nopistons.com/forums/pub...IR#>/bigok.gif

ColinRX7 12-18-2003 09:45 AM

https://www.nopistons.com/forums/pub...DIR#>/ohmy.png



That's a very cool idea, but I would be very worried - the length of that bridge, looks like it might break!!

ArmyOfOne 12-18-2003 10:38 AM

Actually I think its supported as seen in the side port view

kahren 12-18-2003 02:02 PM


Originally Posted by ArmyOfOne' date='Dec 18 2003, 11:38 AM
Actually I think its supported as seen in the side port view

yes it is, i am not going to cut that support just because of the lenth of that port.

i was thinking about also leaving one under the water seal area bu ti am not sure if i need to.


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