CPS for mini

Don.F.Broadus at ucm.com Don.F.Broadus at ucm.com
Tue Feb 9 22:12:30 GMT 1999


The 777 air planes engines (pratt & Whitney) have a kevlar belt around the
engine to contain a thrown turbine blade. FFA test
require that a blade be weakened so that it will fail and the kevlar belt
contain it to meet certification test. Most steel scatter shields
are one piece construction.










> -----Original Message-----
> From:	Chris Conlon [SMTP:synchris at ricochet.net]
> Sent:	Tuesday, February 09, 1999 3:13 PM
> To:	diy_efi at efi332.eng.ohio-state.edu
> Subject:	Re: CPS for mini
> 
> At 10:36 AM 2/9/99 -0500, Shannen Durphey wrote:
> 
> >I've had a flexplate come apart at about 4K rpm.
> >...[mayhem snipped]...   It takes more than pretty stainless to
> >prevent that kind of destruction.
> 
> This is probably just myth but I had always heard that the pilot in
> a Huey was basically sitting inside a titanium bathtub. 'Course I'm
> not sure how you'd get it down to the size and shape you'd need. Ah
> well.  What do more modern choppers have? Surely there's some kind
> of armor there, and just maybe some of it comes surplus??? :)
> 
> OTOH the kevlar idea sounds so easy. Will that really work? How
> much difference is there between the kevlar cloth you can easily get
> (alongside glass cloth and the like, for making composite body
> panels) and the ballistic stuff?
> 
>    Chris C.



More information about the Diy_efi mailing list