The reason for suggesting Enstrom has more to do with its unique sytem.
I think it uses a single belt whereas the Robinson use two sets of
something.  I have known an Enstrom mechanic for some time and he claims
the Enstrom belt system is very reliable and durable.  This does not
mean he does not think well of the Robinson system.  Another is the
Hughes/Schweiser belt system.

Paul, do you know What the Robinson system consists of?   Many years ago
the protoype use multiple V belts but I have not seen the production
unit details.

Bob Y


Just from a distance. Multi V belts and a pilot
controlled idler that serves as a clutch.

Paul Lamar

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