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Dennis,
This looks WOW to me. What airplane is this going in? Can I presume that a RX-7A project is really an RV-7A? I am installing a turbocharged RX8 in a Long-Eze. This looks like it uses up a lot less space and could be quite efficient.
(I've been a lurker on this list for over a year and this is my first post).
Fred N.
-------------- Original message --------------
From: Dennis Haverlah <clouduster@austin.rr.com>
-------- Original Message --------
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This is my first intake. It uses a 4 port RX-8 manifold cut off just below the first rotary valve in the intake. A 1/4 in. thick aluminum plate was brazed to the cast manifold to form the bottom of the plenum. The 4 intake holes were located in the 1/4 plate and a router used for working wood was used to cut bell mouths in each of the runner openings. The bell mouths are flush with the top of the 1/4 in. plate. The sides and top of the plenum are made form .080 Al. brazed together. Thank you Ed Anderson for recommending the brazing rod!!! I am using the stock RX-8 fuel injectors and fuel rails. The fuel rails have AN -6 steel fittings brazed on the ends and are painted yellow. I am planning on either using the stock throttle with Tracy's fly-by-wire controller or a 65 mm Mustang throttle body I also have on hand. The throttle bolts onto the intake - see the first picture lower right side.
My project is an RX-7A, James rotary cowl, radiator and RX-7 oil cooler under the motor mount, RX-8 engine and the Catto prop same pitch and diameter as Tracy's.
Dennis H. |
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