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ACRO E-mail Archive Thread: [Acro] Re: Stearman acro

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ACRO E-mail Archive Thread: [Acro] Re: Stearman acro


Thread: [Acro] Re: Stearman acro

Message: [Acro] Re: Stearman acro

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From: "B. Jensen" <bjensen at>

Date: Thu, 11 Apr 2002 14:17:58 UTC


Walt Plentis wrote:

> A friend of mine has a Stearman with a Continental 220 on it. He is
> interested in doing a little acro in it and wondered if the absence
> of an
> inverted fuel/oil system would lead to any engine damage during the
> brief
> neg G experienced during slow rolls, loops etc. Could anyone offer
> any
> advice?
> Only thing I can tell you is, John Mohr has been flying airshows
> with his 220 hp Stearman for over 20 years.  His Stearman is stock
> and has no inverted systems on it.  When he rolls inverted during a
> slow roll...(close to the ground), the engine sputters from fuel
> starvation and shoots out a big blue flame as it recieves fuel again
> when upright...scaring the crowd.  It's all part of his act, and he
> does it very well.
> John won the Bill Barber Award a couple of years ago.  He is also an
> A&P IA mechanic, so I can't imagine he would do anything to hurt his
> engine and I know he understands them very well.  John is also one
> of the most talented pilots on the ICAS circuit and does things in a
> 220 hp Stearman most people should never try.  However, he proves
> the 220 hp Stearman w/o inverted systems, can do some amazing
> things...when flown by a capable pilot.
> BJ
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