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It seems like a long time ago now, but when I built a Harley-Davidson generator into my PSRU, I bolted the coil pack to the back of the PSRU housing. This allowed me to run the wire out without having to deal with wires that rotate. The magnet pack, I bolted to the flexplate with an adapter. The magnet pack are designed to ride a motorcycle's shaft, which redline at 9,000 (at least, that is what I was told at the time.)
On Sunday, June 10, 2018 7:01 PM, "Neil Unger 12348ung@gmail.com" <flyrotary@lancaironline.net> wrote:
Todd,
Have read your Blog and very impressive. However
only one measurement that is of use -- the thickness of the pack.
Do you have by any chance the internal measurement of the coil
pack?? My cushion drive has a 2 inch RHS just where the coil
pack would go. Without measuring it I would guess a 3 inch
diameter, which may be too big. There are 3 places to fit the
generator, On the PSRU, the back of the prop, and the front of
the E shaft. Now that will get the "canary" squawking. Regards,
Neil.
Hi Neil;
It is probably too late for you to consider this in your
design however I'll throw it out there anyways.
A few years ago I modified my RD-1B to allow the
installation of a stator & rotor to have a back-up PM type
of generator between the engine and PSRU.
I've got a few hours of ground running on this and it has
run flawlessly. It was a big job to retrofit it into my
existing PSRU, but possibly not be a big deal for you to add
as an option on your unit.
The full write up on how I did it along with parts etc. can
be read here in a PDF document.
It might be worth considering, as I know that if I was in
the market for a PSRU, I'd certainly pay extra to have a
built-in back-up power source.
Todd
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