Can we take a look at the water surface in that picture? SS trail effect do
show up at the water surface too.
YK
----- Original Message -----
From: Gordon Cottrill <[EMAIL PROTECTED]>
To: Ciurpita, Greg <[EMAIL PROTECTED]>
Cc: 'RCSE' <[EMAIL PROTECTED]>
Sent: Sunday, June 04, 2000 7:23 PM
Subject: Re: [RCSE] full-size wing vapor
> I see as I have just tuned back in, that this thread is still running,
so I will add my two cents once again.
> Greg, you are wrong in thinking that planes do not go super sonic during
a low level fly-by in front of a crew, as I have
> witnessed this on many occasions when I was stationed aboard the JFK. in
1968-1970
> I now work at the former Navel Air Test Center at Patuxent River MD.
where going SS was an every day thing until too many windows
> were shattered and now we only do it out over the ocean.
>
> Don't confuse a vapor trail with the one shown in the photo of the F-18
as they are two different events, caused by different
> circumstances. I do believe the F-18 is in the process of going SS.
>
> I see vapor trails coming off my cameras on the underside of the F-18s
and F-14s I work on every day during weapons separations.
> This happens at speeds far lower then Mk1.
> Now don't get me wrong, I'm not an expert at this, but I did stay at a
Holiday Inn Express last night.
>
> Cheers :-)
>
> Gordon.
>
>
>
> "Ciurpita, Greg" wrote:
>
> > i doubt that the fly-by in the mpeg
> > was even near super-sonic that close to the ground and
> > crew.
> >
> > i live in new jersey, right along the northeast corridor.
> > at times, i get to see airliners fly overhead every
> > 5 minutes. lately i've begun noticing vapor clouds
> > forming behind the wings in certain spots in the air.
> > yesterday, i saw this for sure, as a plane flew directly
> > overhead and relatively low. i could see a vapor trail,
> > maybe 10% of the wing chord behind the wing. obviously,
> > i can't see if it forms above the wing.
> >
> > what is this, and what is its cause?
> >
> > Gregory Ciurpita
> > Lucent Technologies, Bell Laboratories
> > Room 1N436, Crawford Corner Road, Homdel NJ 07733
> > (732) 949-5771 [EMAIL PROTECTED]
> >
> > "Good programs work. Great programs are easy to debug!"
> > RCSE-List facilities provided by Model Airplane News. Send "subscribe"
and "unsubscribe" requests to [EMAIL PROTECTED]
>
> RCSE-List facilities provided by Model Airplane News. Send "subscribe"
and "unsubscribe" requests to [EMAIL PROTECTED]
RCSE-List facilities provided by Model Airplane News. Send "subscribe" and
"unsubscribe" requests to [EMAIL PROTECTED]
