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Date: Sun, 28 Nov 2004 22:35:40 -0600
From: Jim Sower <canarder@frontiernet.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] FW: COZY: Subaru 2.5 engine
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<...already done the same thing to an RX-7 engine ... never had this 
happen ... RX-7 never changed in performance ... ran to 218000 miles 
...before it blew it up (even then it still ran) ...>

Is there perhaps a message for you in there some place ... Jim S.


Bulent Aliev wrote:

>Rotary related:
>
>------ Forwarded Message
>From: Ian Douglas <idouglas@dssinc.ca>
>Date: Fri, 26 Nov 2004 16:20:34 -0500
>To: Cozy Builders List <cozy_builders@mailman.qth.net>
>Subject: COZY: Subaru 2.5 engine
>
>Hi Folks,
>
>Any of you running the Subaru 2.5 engine, Al is that what you have?
>
>Just as a heads up, I noticed some "lag" during acceleration after an
>extended ~75% power (~4700 rpm) run (exactly 1 hour and 12 minutes).  It
>also drank double the fuel to go the same distance than when at 50%
>power...
>
>What I noticed was that after pulling off of the highway (this is a
>stock 2003 Impreza Outback Sport with 49000 Km on it) on to the backwood
>roads, that acceleration (with shifts at red line) was not as snappy or
>smooth through the power band with a number of "dead" spots (pull was
>noticeably less) going through 3800 and 5700 rpm.  These where noticed
>at the five stop signs between the highway and my local watering hole.
>
>I have been purposely pounding this engine on the ground to see how it
>will fair in the air under the same conditions.
>
>I have already done the same thing to an RX-7 engine (1981 GSL) and have
>never had this happen.  The RX-7 never changed in performance at any
>time (it got a 12 hour run with only fuel stops) and ran to 218000 miles
>(not Km) before I finally blew it up (even then it still ran).
>
>There is going to be an oil change this weekend, so I'll let you know if
>there is any "burnt" smelling oil in there, that would indicate that
>there may be some internal hot spots.
>
>So far, I think I am leaning towards the rotary for engine choice...
>  
>