Good morning Paul
I did a sketch with the Reno Program as evaluation but i can,t copy
and paste and i dont know if you can open it.
The sketch showing both rotary located back to back behind the
fire wall wich is about 50"wide, the left engine will be turned
90 degres with the spark plugs upside so i can have all exhaust
downward and away of the firewall.
Both engine will have the second generation std transmission
housing wich i will use to run a spline shaft to suit the proper lenght for the
propeller clearance with the fuselage side.
i tend to use a differential with a ratio about 3.15 to 3.25 ,
i found some frombmw 1992 328i, to reduce differential weight i
will have to get an aluminum housing and use the back cover in
aluminum as already availble from the market also get rid of
all gears and stuff i dont need but will reuse the existing
trust bearing.
I think to use a rubber coupling betwween the engine drive
and differential input.
the engine drive shaft and differential will be lubricated
with the engine oil pressure system.
Paul i want you to look at it and make your comments about
my proprller drive project.
I am looking this way to reduce drag,fire hasard safety because
fuel will be located in the strake and center of gravity, the
other differential ouput can be use to drive other equipment as desire.
Also the adventage prop will turn on opposite way.
see some differential i found may be you have some suggestions as
per your great experience on car field
Jean Prudhomme
Certainly is unique.
Running the engine up side down will require a dry sump and I still
don't know if that will work. The oil drain backs are designed
for up right running only.
The weight penalty will be severe.
This is complicated with a lot of unknowns.
Just put the engines on the wings and run them both in the same direction.
They are so close together that asymmetric thrust will not be serious.
Paul Lamar
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