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Date: Sun, 03 Jun 2007 10:34:24 -0500
From: Charlie England <ceengland@bellsouth.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: differsers
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Lehanover@aol.com wrote:
> In a message dated 6/1/2007 5:28:50 P.M. Eastern Daylight Time, 
> downing.j@sbcglobal.net writes:
> 
>     Since the project is in the garage, I can't just roll it out and
>     back in, as the tail is to high on the trike, so when it goes out,
>     it will need the wings and inspection.  JohnD ........here are some
>     pictures for Lynn and yes first start will be on the Weber 48.
> 
> A young guy at IRP asked me to help him with a miss he had in his 
> rotary. He fired the engine and ripped the throttle open until the 
> engine began bucking. It was bumping the rev limiter at 9,500 RPM. I 
> pulled him away from the flywheel arc, and he shut it off.
>  
> We had a long talk. Years ago people used to lighten stock flywheels on 
> rotaries. It takes about a week of machine time, and when finished you 
> are still stuck with a very heavy cast iron flywheel.
>  
> John Finger (I think) was the driver in one case, and he came on to the 
> long straight at IRP really spooled up in second gear. It sounded real 
> good then it sounded strange as it went up to dogs only RPM. The 
> flywheel broke into two pieces. Half stuck into the track about 6". The 
> other half opened the hood and cowl breaking the windshield and bell 
> housing. It sheared the input shaft in two. And went up out of sight. It 
> landed in the grass hurting nobody. Always have a hand on the ignition 
> switch.
>  
> Lynn E. Hanover

Have explosion shields gone out of style, or were they found to be 
ineffective? (It's been a long time since I followed auto racing regularly.)