Subject: One rotor E -shaft
From: paul lamar
Date: 10/9/2016, 7:42 PM
To: A10-Me-Earthlink


I am thinking of machining a batch of one rotor e-shafts.

If your interested I will put you on the list.

Paul Lamar

Hi Paul,

Can you provide some additional details around the expected
specs of a single rotor engine? Weight, expected hp naturally
aspirated, expected hp turbocharged, likely engine dimensions etc

Thanks!

Matt Humble.


About 150 pounds plus or minus 25 pounds less the gear box.
Of course that is assuming racing beat alloy end housings.

We should be able to get the gear box down to less than
35 pounds with a redesign. Still working on that.

It would be about 130 HP at 7000 RPM with a P-port

It is real easy to add a small turbo because it can be bolted directly
to the rotor housing. Based on what we have learned with the TTC engine
250 to 275 HP would be available.

One should be able to set an altitude and speed record in
the lower weight classes.

Paul Lamar

Paul,
Hope this message comes out in the right way for you, it's g-mail which I really don't like.

I could be interested in a single rotor e-shaft or two depending on the price and I would also be interested in set of aluminum end plates for a PP single.

In the last few months there have been some amazing acheivements in aviation . Electric flight across the Atlantic  and then around the world. Truly amazing feats yet almost completely overlooked by the media. Your work on the TTC is going to be more of the same, a truly great achievement but primarily it will only be noticed by us rotor heads, so it is sort of like singing to the choir, so to speak.

To my mind (which seems to be wrong more times than right) for the rotary to suceed in aircraft it needs numbers. Turbine beating marvels like the TTC are great but they are only for a few players. Those that can afford the fuel can easily buy a PT6  or a Walter that is more or less bolt on, if not indeed just buy a King Air or Citation all ready to go. There a a lot more of us little fish who need to find a way to get the burger back down to just a hundred dollars. We're more likey the ones to get the rotary the exposure it deserves and a single rotor  at 100-150 hp is just the ticket.If the there was an affordable source for the shafts and light end plates then there should be a rise in the number of rotaries taking to the air. (and it would make me happy)

John

I agree with all that. A single rotor Mazda is atomic bomb proof.

For one thing it uses the same e-shaft diameter as the 2 rotor 650 HP time
to climb engine also 3 and 4 rotor engines putting out well over a 1000 HP.

You could easily turbo a one rotor and get well over 250 HP.

Not bad for a 99 pound engine.

Those electric airplanes are spectacular but impractical. Zero pay load.
Perfect weather only.

Paul Lamar

I would be really interested in this eshaft.
I would want to buy one.

Zoltan Szakaly

The procedure is this you buy the e-shaft and send it to me.
Check E-bay. Or buy an engine and take the shaft out.

When I get ten shafts I will start machining.


Paul Lamar

All good info Paul, it just seemed like you wanted to boost the engine back up again ☺

There is almost no penalty in it. If your going cross cross country it
is a good way to get there faster and less fuel at high altitude.

In my experience the only practical cross country aircraft  is one that
flies 200 MPH.  All too often you will have a head wind. In that case with
a 100 HP airplane you could get there faster by driving. I have had my
C182 back and fourth to the east coast and down to the tip of Baja
many times and twice up to Alaska.

Joe Rogi


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