12 b

    The Rotec/Ellison carb is quite expensive at over $300 as I recall.
    If you have a lathe and a mill you can make your own
    side draft 2 barrel car using a low cost Holly float bowl.

    This is designed to work with a two rotor P-port and slide
    throttle.

    Here are some 3D's.

    A  marine outboard engine has a self contained ignition
    system. It does not require a battery or  alternator or voltage regulator.

    One or more of these devices that can fail and cause the engine to stop if you
    are using an EFI and automotive the ignition. The TTC has given
    us trouble for that reason. If the battery gets low the EFI and
    the ignition fail to work.

    A certified aircraft engine does not need these to parts to keep
    running as the magneto is self contained ignition and of course most
    use carburetors or mechanical injection.


    Paul Lamar

The Rotec is in the $750.00 dollar range right now.  I just got a quote a couple months back.
Kay C Caldwell :)


Wow that is amazing.

Another advantage of the home made Holley is its low
profile so it will fit under the cowl.


I was working with a two barrel Holley
on my RV4 just before I got involved with the TTC project.

I cut it down but I would still need a bump on the cowl.
The intake runners need to be about 18 to 20 inches long to get
low fuel burn.


Paul Lamar


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