Helicycle Elastomeric Bearings?

I just came across the patent to the R22 hub system and quickly
discovered that it does not use elastomneric bearings as I had been
told. The hub design, at least externally, appears to be very similar
to that which is used on the helicycle and mini-500.

The photos I have of the helicycle hub clearly show grease fittings.
This is not something that would be on an elastomeric bearing. I
don't have the diagrams to either the helicycle or the mini-500, but
the helicycle web site claims that the hub uses elastomeric bearings.

Is there someone out there who knows the answer to this puzzle and can
explain it?

Dennis H.



Dennis Hawkins
n4mwd AT amsat DOT org (humans know what to do)

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