REFLECTOR: Running without prop

[Darrell & Nora Kufalk]

This will convince you.
Take the blade off your lawnmower and see if you can get it to run.




-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Scott Derrick
Sent: Sunday, April 26, 2009 6:08 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: Running without prop

I've heard the flywheel reason before.  I thought the flywheel on my
io360 was fairly beefy but that didn't seem to make any difference.

I'm still unconvinced.

Scott

Keith Hallsten wrote:
> Or, to be more precise, the prop is a significant portion of the flywheel
> system that the engine needs to run properly.  The ring gear provides only
a
> portion of the flywheel effect necessary (and it's often held onto the
> crankshaft by the same bolts that would also hold the prop on).  Thus,
some
> additional flywheel needs to bolted on.
>
> If you don't have a prop, you may be able to substitute a stand-in like a
> piece of lumber.  However, you need to be absolutely sure that it's sound,
> balanced, and properly attached.  A piece of lumber coming off a running
> engine would be a lethal missile!
>
> Keith Hallsten
>
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> Behalf Of Laurence Coen
> Sent: Sunday, April 26, 2009 10:05 AM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: Running without prop
>
> Scott,
>
> I think the difference is that auto engines come with a flywheel and an 
> aircraft engine prop is the flywheel.
>
> Larry Coen
> N136LC
>
> --------------------------------------------------
> From: "Scott Derrick" <scott at tnstaafl.net>
> Sent: Sunday, April 26, 2009 8:45 AM
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Subject: REFLECTOR: Running without prop
>
>   
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