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From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Time marches on...parts get made
Date: Tue, 27 Jun 2006 22:14:56 -0400
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>

Looks good Ernest. Your oil cooler setup looks a lot like my radiator =20=

duct.
Buly
On Jun 27, 2006, at 9:37 PM, Ernest Christley wrote:

> There hasn't been many building reports lately.  I think everyone =20
> is flying except me.  Anyway, here is some progress I'm making.
>
> The oil cooler inlet duct is made as close to what K&W prescribes =20
> as I could get it.  I tested it today with a borrowed static =20
> pressure air meter and a leaf blower.  I couldn't get a steady =20
> reading simply holding the probe out in front of the cooler, so I =20
> drilled a hole in a spray can cap and poked the probe through  it.  =20=

> This captured the static pressure from a representative area and =20
> kept the probe tip at a given distance.  The very tip of the cooler =20=

> measured around 0.39inH20 and the end closest to the tight curve =20
> was only 0.25 or so.  But that was only for an inch or two.  The =20
> center read a fairly steady 0.33 across the length, varying =B1.02.  =20=

> I think I'm going to put this one in the plane.
>
> The water cooler is next.  The white tower is the mold I've been =20
> making for the inlet duct.  I laid out the K&W coordinates, and cut =20=

> them out of doorskin plywood.  Then I slotted them to slip =20
> together.  Hot glued a cap on each end then filled the interior =20
> with foam.  Now I'm covering it with lightweight spackling to set =20
> the final dimensions.  I should be ready to do the lay up as soon =20
> as it cools off.
>
> The final picture is the radiator I'll be using.  12.5x8.5x4.25.  A =20=

> cap will cover the factory inlets, and I'll have to mount nipples =20
> on both sides.  There was a baffle on the inlet side that I had to =20
> drill through, but other than that this should be an excellent =20
> radiator for the Delta.  The flow was down the front right, up the =20
> back right, over and then down the left back, then up the left =20
> front.  After drilling the baffle and adding my own connectors, the =20=

> flow will be down the front and up the back.  I was able to slide a =20=

> piece of clothes hanger that measure .090 into the passage through =20
> the hole I drilled.  There are 23 sections with 5 passages in each, =20=

> for a total area of at least 0.73in2.  My plan is for 3/4" hose, =20
> which only has an area of .44in2 at best.  Flow through the =20
> radiator should not be an issue.  An important point for an EWP =20
> installation.
>
> --=20
> This is by far the hardest lesson about freedom. It goes against
> instinct, and morality, to just sit back and watch people make
> mistakes. We want to help them, which means control them and their
> decisions, but in doing so we actually hurt them (and ourselves)."
>
> <OilCoolerInletDuctTest1.jpg>
> <Radiator.jpg>
> <RadiatorInletDuctMold.jpg>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:   http://mail.lancaironline.net/lists/flyrotary/

Buly
http://tinyurl.com/dcy36