Mailing List flyrotary@lancaironline.net Message #37627
From: Charlie England <ceengland@bellsouth.net>
Subject: Re: [FlyRotary] Re: differsers
Date: Sun, 03 Jun 2007 10:34:24 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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.)
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