One of the intrinsic problems running alcohol is you can't carry
enough to get anywhere. It sucks fuel like there is no tomorrow :-)
It is not like you can stop at just any airport and refuel with
alcohol. Taking the wings on and off the TTC to truck it somewhere
is a pain. One needs to fly the airplane from So Cal to Reno.

If you run gasoline you need water injection or ADI but you can run it
partial power for getting somewhere. In that case you need an inter-cooler.

Here is what the inter-cooled Reno racer 4 rotor might look like.
The turbo plumbing is super simple. The air for the inter cooler
comes in from the left air intake nostril. It exits out the side of the
left side of the cowl with curved  Venetian blinds flaps.

Here also  is pictures of one system I did for a KIS Cruiser.
Same idea using the inter-cooler to distribute air for all
four intakes. Anytime you can use one part to do two jobs
your ahead.

It uses a p-port slide throttle.

There is tons of room under the Glasair cowl for all this stuff.

I considered an air to water inter-cooler like the Merlin had but
you need an entirely separate water cooling system with its
own water pump. No way can you use the 180 degree F or higher
engine cooling system. The air going into the intake manifold out
of the compressor needs to be kept below 150 F.

Next project is a shorter and lighter Allison based gear box.
Shorter is essential for a 4 rotor.

Paul Lamar

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