Yep! The rotary powered Grumman had been around awhile.  You can legally
(with FAA approval) put a non-certified engine in a certified aircraft in a
special "experimental" category ( of which there are 5 or 6 categories).
However, that classification generally expires after 1 year and can not be
renewed and the aircraft must be restored to its certified configuration
before it can continue to fly.  This special category is generally not
permitted to land and take off except from its home base.  

But, if you have a FAA official that is willing to sign off putting it in
the Amateur Built Experimental category, then I presume you are OK.  I would
certainly check the status of registration with the FAA before I would
purchase it.

Ed

Ed Anderson

Rv-6A N494BW Rotary Powered

Matthews, NC

eanderson@carolina.rr.com

http://www.andersonee.com

http://www.dmack.net/mazda/index.html

http://www.flyrotary.com/

http://members.cox.net/rogersda/rotary/configs.htm#N494BW

http://www.rotaryaviation.com/Rotorhead%20Truth.htm

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Michael Silvius
Sent: Wednesday, May 13, 2009 2:21 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Gruman AA1A w/ plugs up Mazda

Never heard of this on before.

Not mine, just passing it on.

http://cgi.ebay.com/ebaymotors/Grumman-Fisher-AA1-B-Mazda-Powered-Experiment
al_W0QQitemZ190306900287QQcmdZ

Michael



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