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Bill Jepson
We need a pulley option. Some of us are supercharging.
Bobby Hughes
-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Ernest Christley
Sent: Friday, February 25, 2005 9:53 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Racemate alt/water pump
WRJJRS@aol.com wrote:
We should look at the raw, open circuit, stator voltage as a function of RPM, just to be sure that the stator will NOT overheat at sustained high RPM.
This is something that is understood. The Racemate alternator is
designed for continuous high rpm from the start.
Bill Jepson
Bill, I'd like an electron pump on both sides of the engine, just
because it would be so easy. I've been looking at the Harley motorcycle
alternators for the gearbox end as a off-the-shelf solution, but it may
require rewinding to avoid this problem. OTOH, there is no reason not
to consider the Racemate unit for both sides. The projected cost
difference is insignificant and going all Racemate would mean only one
development track to follow. I think someone else mentioned it, but if
they could design their rotor housing with a few options they could
double potential sales.
option 1 - a 1" hole in the rotor to fit over the PSRU shaft. Or they
could make the hole standard and provide a plug for use on the pulley
side of the engine. The bolt holes that hold the pulley to the
eccentric shaft will serve equally well to bolt it to the flex plate.
option 2 - make the pulley a removable outer shell, or a housing without
the pulley. This may or may not be all that valuable, but if everything
goes according to the current plan, I won't have a need for belts. No
pulley will make the housing lighter, cheaper to manufacture, and look
cleaner.
option 3 - a 'low-profile' design that would easily fit between the PSRU
and engine. Under 1.25" would work I think, but someone will need to
measure this to be sure.
In any case, do you think they'd be willing to provide this list with a
CAD drawing of what they design so that we can check our installations
for 'dimensional compatibility'? Maybe provide a feedback loop to
increase their sales, and decrease the amount of work we have to do to
make them fit our needs.
Homepage: http://www.flyrotary.com/
Archive: http://lancaironline.net/lists/flyrotary/List.html
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