Larry, I mis-spoke (Notching the piston for power)

[pilotlars at yahoo.com (Lars Bruchmann)]

you win the snickers bar!!  yes, rime is opague, and
rippled or pitted, clear ice is, eh, well, clear!! 
wow.  we've seen both kinds in the winter, on
pavement.  both add weight and destroy lift, increase
stall speed, but rime creates lots of drag too!  it
causes some accidents, but by the time the feds get
there is it melted, the perfect killer!!!  wow, i just
thought up a plan to deal with the ex... hehehehe
--- Tonee Northam <pb3vr6@yahoo.com> wrote:

> I have to agree with Lars, You would need smooth air
> flow over the wings of an aircraft otherwise it
> would create drag and affect the lift on the
> aircraft. All aircraft have some kind of damage on
> them, the more dimples on the fuselage the harder it
> is to control the flight.
>  
> But again we're dealing with something completely
> different than an airplane. VW's are pennies
> compared to planes.
>  
> Lars, Rime Ice?
>  
> Tonee
> 
> Lars Bruchmann <pilotlars@yahoo.com> wrote:
> i have never heard of hail-damaged aircraft flying
> faster, except maybe for the pilots trying to get
> the
> aircraft to the ground before it is destroyed
> completely. modern aircraft have super-critical wing
> and fuselage shapes, the boundry layer is extremely
> close to the surface. dimples would not help. 
> the dimples in a golf ball create an 'artificial
> boundry layer' which lets the ball fly farther. 
> aircraft have VGs (vortex generaters), strakes and
> fences on wing surfaces to do the same thing. 
> a dirty aircraft will not fly as fast, since the
> dirt
> actually raises the boundry layer, and creates drag.
> 
> a wet aircraft will not fly as fast either. ice is
> the worst, there is a type of ice that forms, which
> is
> kinda dimpled, and it is really bad news. so, as far
> as i'm concerned, dimples are bad for aircraft. but
> they could be great for indian cars! :-) 
> --- David Utley wrote:
> 
> > 
> > 
> > -----Original Message-----
> > From: Larry Fry [mailto:rocco16@sbcglobal.net]
> > Sent: Monday, September 13, 2004 9:21 PM
> > To: fahrvegnugen@cox.net; scirocco-l@scirocco.org
> > Subject: Re: Re: Larry, I mis-spoke (Notching the
> > piston for power)
> > 
> > Why do we care how fast the intake air travels
> > "across the piston"? Once
> > it's inside the combustion chamber, it's a moot
> > point, since the old-tech
> > design of our engines is not of the 'high-swirl'
> > type anyway.
> > As usual, I'm a bit skeptical of stuff like
> > this....but, when I hear of
> > Roush, or Yates, or Lingenfelter dimpling their
> > pistons I will reverse my
> > postion.
> > :)
> > Larry
> > 
> > Larry,
> > They would have, had they been doing NASCAR back
> > in the eighties. You
> > know, like when our cars were made? Besides, the
> > argument that our cars are
> > too old-tech a design to benefit seems weak as
> well.
> > Megasquirt is about as
> > new as it gets, and I think that all here that
> have
> > experience with it would
> > argue that it is VERY beneficial... Besides, yours
> > is a 16V, yes? It is
> > high enough a compression to benefit...
> > It seems our arguments as of late seem to be more
> > about logic and sophistry,
> > rather than engineering... What's up? :)
> > 
> > David
> > > What I am suggesting is putting dimples in the
> > piston face, not the
> > perimeter... Air at speed does not do well with 90
> > degree, much less 180
> > degree changes of direction. These dimples, or
> > pockets of air, create a
> > cushion of air that acts as a buffer. As the air
> > travels over the surface
> > of something, the air is slowed by the difference
> in
> > speed of the two. The
> > pockets acts a buffers in this regard, allowing
> the
> > air to travel more
> > quickly across the surface.
> > >
> > > I tried to find something via Google, about
> > jetliners with hail damage
> > actually flying faster, but could turn up
> nothing...
> > You have seen the
> > commercial for Lexus, haven't you? I might find
> > more if I looked at golf
> > ball history, I don't know... What I do know is
> > that this works... :-)
> > >
> > > Cheers,
> > > David
> > 
> > 
> > _______________________________________________
> > Scirocco-l mailing list
> > Scirocco-l@scirocco.org
> > http://neubayern.net/mailman/listinfo/scirocco-l
> > 
> 
> 
> 
> 
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