Mailing List flyrotary@lancaironline.net Message #9472
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Second stock turbo bites the dust
Date: Tue, 6 Jul 2004 13:18:09 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message
This morning I managed to break Rusty's turbo.  I had been cruising at 11,000 ft with MAP 38, rpm 5100 and 175 kts TAS (about 155 IAS) for almost 2 hours when rpm suddenly dropped to 2500.  
 
Sorry to hear that John, though I'm obviously not surprised.  I'm real impressed with that slick bird though!  Glad to hear you and the plane made it back safely.
 
Have you considered a supercharger?  I wasn't going to say anything about this unless I did it, but my rev-4 option (in the unlikely event it's needed) is one of these:  http://www.procharger.com/superchargers.shtml  Considering your current situation, I figured I'd go ahead and throw this out for debate. 
 
The current smallest unit is 7" diameter, 6" long, and about 15 lbs.  They also have a new unit coming out any day that's smaller, and still capable of supporting 300+ HP.  They're marketing it for Harley's.   These units are self contained, so there are no water or oil lines to hook up.  
 
There are some definite advantages, and disadvantages to consider, but it's something else to think about.   
 
Rusty (making all the power I need with RPM's I hope)    
 
 
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