<VV> cylinder cooling fins

[hallgrenn]

Mark, 
That kind of reminds me of a story in "Flying" magazine decades ago about the different points of view of pilots and A&E mechanics.  When a pilot questioned his mechanic about a problem with his plane the mechanic's response was "I'd fly it."

Bob


Sent on the new Sprint Network from my Samsung Galaxy S®4.

<div>-------- Original message --------</div><div>From: MarK Durham via VirtualVairs <virtualvairs at corvair.org> </div><div>Date:06/27/2014  9:12 PM  (GMT-05:00) </div><div>To: Michael Kovacs <kovacsmj at yahoo.com> </div><div>Cc: VV <virtualvairs at corvair.org>,NORM LATULLIP <Grantulip at cox.net>,Clarks Corvair Parts <clarks at corvair.com>,fastvair at yahoogroups.com,jack lundin <machineshopjack at yahoo.com> </div><div>Subject: Re: <VV> cylinder cooling fins </div><div>
</div>Michael, I have overhauled hundreds of aviation cylinders and we had a rule
of thumb that we could lose a fin like your cylinders and keep running
them. Also, you are right at the top of the cylinder where the head will be
acting like a giant heat sink and the loss of this fin material will make
less difference.
Personally I would replace them simply because they are cheap, however in a
standard motor they should run fine.

Mark Durham Hauser Idaho
62 2Door Coupe 4speed Red/Red
On Jun 27, 2014 6:02 PM, "Michael Kovacs via VirtualVairs" <
virtualvairs at corvair.org> wrote:

>  I need opinions on the damaged fins on a couple of cylinders. Engine will
> not be raced, but I worry about a hot spot at the top of the cyl wall.
> Should I use them or start all over?
>
> Probably damaged after +.060 reop.
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