Stuart Fields wrote:

Marc: I checked in with Emagair and they have a Mandatory Service
Bulletin (MSB) dtd 09/20/08.

There is nowhere on the website that states that the SB is mandatory -
you have to actually open the SB to see that. The SB also does not
explicitly indicate that all aircraft with series 113 and 114 EI's
should be grounded until the update is performed.

All that notwithstanding, it is my opinion that the "fix" that they
advertise is not proven. The key/keyway performs no function, the
press fit is potentially susceptible to CTE issues, and the roll pin
is susceptible to walking out of the hole under severe vibratory
loads. Until this "fix" has been proven by hundreds of hours of
testing (and not by the alpha users in the field), I do not believe
that anyone should be flying with it, as there's no proof that it's
any better than the failed design that it replaces.

... We are getting your message out along
with their MSB to our readers of the November issue as well as
informing all builders that we know of using the Emagair units.
Thanks to you for the heads up warning. I hope they can get their
problems solved as the units do look very appealing as a Slick
replacement.

The idea is a great one - the execution, not so much, IMO.

--
Marc J. Zeitlin
http://www.cozybuilders.org/
Copyright (c) 2008 http://www.mdzeitlin.com/Marc/